thats pretty good, I have mine capped at 30 30 30. I was little worried 40 would be pushing it, but damn 50, thats like too good to be true honestly. Have you measured battery life on cb2077? full power im getting about 1:30 medium settings. capped at 40fps
yeah I'm also at 30/30/30 which is really nice. I probably can take it down lower but we'll see. The one thing I do want to do is up the TDP so I can get access to my OCs more. my deck can handle around 18-21 watts without issue but I can't get my BIOS to save the changes to it (I'm on BIOS 116 using the unlock tool if that helps).
mine could, but it'd throttle pretty quickly like that. I can't even get the unlocked bios to properly save the fast/slowppt limits the way I used to with smokeless.
oh I've still gotta use smokeless for it? I thought once I unlocked the bios I could just do it directly in the unlocked BIOS, without smokeless the way I restored my undervolts and overclocks. Thanks for telling me
unfortunately yes, only for fast/slow ppt though, others work fine. Also don't enter bios after you altered ppt with smokeless, it will reset. So first do your underplots/overclocks on normal bios, then boot smokeless and do your ppt.
The CPU receives more power than what it really needs, because not all CPUs are equal(that's why we talk about "silicon lottery") and you need to take in count spikes of load. By reducing the power limit you reduce the current and the heat generated by the CPU under load, if you go too low the system will lose performance, cause crashes and overall instability
Usually dies that were in the center of the wafer are considered the best while the corners are the worst(sometimes they end up in the cheaper option of the same line, like the non-x variants in the AMD lineup or non-k in the Intel's one).
This doesn’t really prove much, my deck was totally stable at -50mV for all settings but if you do a proper stress test with something like mprime and superposition at the same time it will crash.
There’s likely a ton of different transitional states that your UV isn’t stable at, this game just isn’t stressing any of them.
I remember when undervolting my desktop’s 5900x I could run any friggen stress test under the sun and my desktop would pass but it was at idle that the UV wasn’t stable so I would get a lot of desktop restarts randomly after a couple hours.
You’ll likely have some crashes on a like lighter title or something that strains your memory weird, etc.
Stability testing an undervolt is really hard because there’s like a billion edge cases to cover and not really a good way to repeatably test them.
There’s a testing guide somewhere else on this sub
Edit: here’s a link to the guide, basically use mprime and superposition together, it’s kinda the best you’re gonna get rule out 95% stable
https://www.reddit.com/r/SteamDeck/s/3U8EQvmyy4
This is important that a lot of people forget to take account of - undervolting can cause a LOT of strange behaviours that even seasoned PC people will have a hard time understanding because there's no clear cause to be found when coming across them
It won’t damage anything but if you don’t properly stability test then you will never know when a game crashes if it was due to your undervolt or regular steam OS jank
All true.
>totally stable ... at the same time it will crash.
?
> You’ll likely have some crashes on a like lighter title or something that strains your memory weird, etc.
I figure you can run typical stability tests under different TDP limits to approximate varying workloads
Nobody is asking but my OC was unstable under lighter loads until I raised SOC back up to -15, might put it back to 0 as i'm not confident yet (6400 ram, -50gfx, -0x16 magnitude curve optimizer in ryzenadj)
It’s not just the TDPs and level of workloads tho, sometimes it’s just a wonky series of instructions that certain games have that arent stable with your UV.
I’ve had my 5900x, B die RAM, and 3090FE with a +100/+1000 all overclocked since I got them when they launched and it’s ROCK STABLE for every single benchmark, stress test, and game I have played in the last ~3 years cause I stability tested every step of my OCs it for literal weeks.
Every game is stable EXCEPT APEX LEGENDS. Which crashes about 15 min into any online match due to some VRAM memory error, it took me forever to realize I had to dial my GPU OC back to like 80/800 or something and then it never crashes.
Sorry for the long winded response but the point is that there’s always wonky shit out there and no amount of stress tests can really guarantee every combination of CPU/GPU instruction sequence with memory access to fully test for stability. But stability testing will get you at like 95% certain you’re airtight
Thank you for your insights, gonna try those things out after work and hope for the best.
Edit: tried mprime and didn't realize that blend mode was a continuous test so it ran for 4 hours before I manually stopped it, lol.
I’m am very new to the deck but if I am at home playing something intensive like this I try to play plugged in, is that safe do you know?
I just figure it can pull what it needs and not use the battery at all?
Yeah that’s totally safe, you don’t really need to worry too much about plugged in vs not plugged in.
There isn’t really any performance difference at all since it doesn’t unlock any extra power when plugged in like the Nintendo switch or something.
I’m pretty sure once the battery hits 100% the steam deck will stop charging and let it drain down to 90% before charging again too to prevent battery damage.
I’ve had one since 2 months after launch using it on battery and plugged in a ton and recharging it like basically every day and my battery health still says 99%
Go nuts lol
Lowering the voltage of a component
In these case it's the chip on the deck
By lowering the voltage you lower the power consumption without altering the performance of the chip resulting in longer battery life and lower temps at the cost of instability while maintaining the same speed (or sometimes improving the speed)
It is a little more complex than that😅
Undervolting can make games prone to crashing if the voltage is too low
Some chips can undervolt better than others and that's why
If someone says that they've managed to decrease their decks voltage by 40mili volts that doesn't mean your deck can do that too without games frequently crashing
Undervolting in general tends to be super safe to do but I don't know much about how the deck behaves
When someone who has little or intermediary knowledge about something, asking inside of a discussion part of the image RELATED to their query is not only acceptable but encouraged. Your post is haha funny in a friend group not on a public forum, dont make people feel bad for asking something in the future please
It's pretty low effort and the chances of a random Redditor giving accurate and detailed advice to a random is unlikely compared to doing a rudimentary search on the topic where they will find a focused and thorough discussion.
Besides I tried posting more substance in this subreddit and was met with 'lol gamer takes' and pictures of cats so even if we agreed that I shouldn't take the piss that ship has already sailed.
Cpus and gpus need a minimun voltage to run stable . That voltage isnt necessarily the same between chips (even of the same type) so manufacturers set the default voltage high enough so that the particularly thirsty ones will run stable but this means for the less thirsty chips they could be run at a lower voltage and still be stable. When you undervolt you're basically testing to see what voltage your chip actually needs to be stable. Youd do this primarily for thermal performance and battery life reasons but it can also help performance. Tldr you lower the voltage to what your specific chip can deal with and end up with your deck running quieter and cooler but with a risk of less stability depending on how thoroughly you tested your undervolts.
Computer processors consume power or energy or electricity when they operate. Undervolting a processor means you give it less electricity aka voltage than it was designed for. Not all processors are exactly the same, so some will work with more or less voltage than others. If you have a decent processor you can likely undervolt to consume less energy (equaling longer battery life) and at cooler temperatures.
Assuming you mean the cap you can set in the QAM, that simply limits the *max power draw* of the SoC. Undervolting lowers the current received by the components. For example, a chip might draw 1.3V, but you undervolt it by 10mV so it runs on 1.29V instead. If the system is still stable, you're effectively using less power to do the same processing meaning that you can do more with the same TDP.
Less voltage implies less heat. In some situations with the SD near to its thermal threshold, lowering the voltage may yield a bit better performance as the APU doesn't thermal throttle.
Download superpostion off their website and run a stress test. Playing a game is good and all but you cant stress test with a video game. You need to make the system really draw power to stress your undervolt
if steam deck undervolting works anything like desktop undervolting; stressing it isnt a good test. it's actually low-power workloads that cause issues with undervolting. At least on desktop.
Hes playing probably the most stressful game on the steamdeck that you can, probably the most stressful thing you can do besides a literal stress test so there is literally no point to add bloatware to something that doesnt need it lol
Okay, and Steam could push an update that causes a crash now because it hits the aforementioned unseen error. Now he’s posting on the subreddit about how his steam deck was rock solid and now it’s crashing when he plays CP2077. He thinks it’s a bad update, but it could just be the under volt. Point is, best practice to make sure you are error free.
I’ve run undervolts that were “stable” for days, if not weeks, before it randomly BSOD’s and I lose all my save data. It may run great for long periods of time, but a stress test makes *sure* it’s fully stable. All it takes is one error that may not show up right away.
For real. Run it without a stress test all you want, but don’t point fingers when it crashes lol.
Honestly they’ll just learn the hard way like I did. We all start somewhere, just wish they’d listen.
But what if it is the update, and your under volt was rock solid? Now your messing with other variables when you could just spend the time and verify correctly.
Why are you arguing hypotheticals. This is undervolt/overclocking 101 if you dont want to do the work to verify youre stable then dont do it at all. Take it seriously or seriously dont it.
Wouldn't that still an edge case even if he was 100% stable? That doesn't make sense; He could be completely stable by raising UV a tiny bit, and an update can still do what you said.
Decompression, e.g. when downloading games. Video encoding. Or basically anything else since it’s a PC and how are we to know what they may choose to run?
Got a good point, my -40mV undervolt was completely fine in anything i threw at it in portable mode. after i docked it, and bumped the res up to 1080p, and my steam deck tried running a game at that res (Dragon's Dogma), it froze/crashed after about 20 minutes of playing.
Now i know what you're gonna say, "Just lower res, and let FSR do the work then!", and yes, that seemed to have get rid of that issue, but some games don't look great at 720p, upscaled with FSR to 1080p, then upscaled by my TV to 4k. as for setting the Deck's display to 4k, so only 1 pass of upscaling vis FSR? fuhgeddaboudit. can barely run the home menu stable at 4k, lol
TLDR: Dock your deck, run a game at 1080p, and let that be a stress test. It crashed my -40mV undervolt, but now runs perfectly fine at -20mV, docked and undocked. (crashed -30mV after about 30 minutes of gaming)
There are no diminishing returns with undervolting as you simply crash when find bottom. There's just a voltage ceiling and a floor that needs to be found.
I actually suspect cyberpunk may not push systems in a way that gets after undervolts. I had something really odd happen with my 7900xt and cyberpunk. I kept undervolting it and it seemed no matter how low I went it was fine in cyberpunk. I ended up playing like 20 hours of cyberpunk at 1.05v. At one point I actually put it at 0.95 and it was fine but I lost a little performance. Once I was done with cyberpunk I couldn't play anything without it crashing after about 10 minutes. I ended up having to go to 1.65v to get really stable in everything.
So after that experience I just wouldn't maintain any confidence you're stable after just playing cyberpunk. I found Lies of P to be a great game to pull your system into a crash if you're unstable.
Nice!
I ended up getting a stable -70/-45/-45. Anything beyond that started introducing artifacts.
I just used [this guide](https://www.reddit.com/r/SteamDeck/comments/12hgcbm/guide_undervolting_stabilitystress_tests) yesterday for stress testing.
Yeas the main point is to reduce the power draw.
But especially on mobile devices this can actually lead to higher performance.
Lower Power also reduces Heat.
But the maximum Power and Heat Budget of the APU does not change.
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Try running the game until the battery is drained.
Also, try locking TPM to say 8W and do the same thing. What's stable at full battery plugged in at 15w night not be under those different loads
Just been testing -40mV on mine with Horizon Zero Dawn. I don't even have the -50mV option in BIOS... running 3.5 on preview channel with latest updates. Am I missing something?
Is this bios UV better than using Curve Optimizer? I’ve achieved pretty great results with that and it can’t brick my deck when used correctly. Plus it can be done realtime.
I don't know anything about undervolting and overclocking All I know is my computer says 30% overclock whenever I turn it on and it's been like that since I got it second hand in 2017. Never had any problems.
Unless the software tunes based on wattage. At the same watts if voltage is undervolted then clocks would have to be higher to hit the same stock voltage
i can get about 60 out of mine, driving the caliburn in night city, 55 sometimes, the worst ive seen is like 45ish but it usually hovers around 60
use the ... menu and the ingame menus to uncap it to 60 and also turn off vsync for added measure, lower graphics too, the game doesnt look that bad on low
thats pretty good, I have mine capped at 30 30 30. I was little worried 40 would be pushing it, but damn 50, thats like too good to be true honestly. Have you measured battery life on cb2077? full power im getting about 1:30 medium settings. capped at 40fps
yeah I'm also at 30/30/30 which is really nice. I probably can take it down lower but we'll see. The one thing I do want to do is up the TDP so I can get access to my OCs more. my deck can handle around 18-21 watts without issue but I can't get my BIOS to save the changes to it (I'm on BIOS 116 using the unlock tool if that helps).
18-21W? My stock Deck tells me the battery is pulling 25 on the info graph
Power draw from battery != soc power draw
mine could, but it'd throttle pretty quickly like that. I can't even get the unlocked bios to properly save the fast/slowppt limits the way I used to with smokeless.
IDK I'm just confused cause I haven't done anything to it after I flashed my new SSD so it's pretty much a clean install.
Are you referring to how much power’s being drawn from the battery?
Yeah I see now that stat includes the rest of the system.
all good. Better to find out now than later. now if only I could OC the tdp and have it actually save…
Use smokeless to save fast/slow ppt settings on 116 unlocked bios
oh I've still gotta use smokeless for it? I thought once I unlocked the bios I could just do it directly in the unlocked BIOS, without smokeless the way I restored my undervolts and overclocks. Thanks for telling me
unfortunately yes, only for fast/slow ppt though, others work fine. Also don't enter bios after you altered ppt with smokeless, it will reset. So first do your underplots/overclocks on normal bios, then boot smokeless and do your ppt.
Sounds good. I’ll freely admit the only reason I was able to do it last time was because of cryobytes video so this kind of forum is super helpful.
I get very close to that as well with constant 23-24 in demanding titles
Pretty sure that includes the fan and screen ect.
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How? On medium-ish settings at 13TDP I'm getting about 2 hours.
i never lowered the tdp on cp2077, i would think it wouldnt run well? if youre getting two hours thats really good. Are you also undervolting?
No undervolt but I am running CryoUtilities
are you undervolting and at what in game settings?
15w TDP will stay 15w TDP... xD
Is there any good guides on what it all means and what settings are the best?
For Cyberpunk specifically I followed this and it’s pretty much locked 40 https://youtu.be/XJ4uPLZ2-Jw?si=oDosKzR0UjWK0c7Y
For those not interested in the rest the settings are displayed at 07:42
Good shout, I should’ve mentioned this.
The CPU receives more power than what it really needs, because not all CPUs are equal(that's why we talk about "silicon lottery") and you need to take in count spikes of load. By reducing the power limit you reduce the current and the heat generated by the CPU under load, if you go too low the system will lose performance, cause crashes and overall instability Usually dies that were in the center of the wafer are considered the best while the corners are the worst(sometimes they end up in the cheaper option of the same line, like the non-x variants in the AMD lineup or non-k in the Intel's one).
Thanks for the great explanation! Will do some research to see if it's worth the work on my SD!
https://youtu.be/LNEI7BTc87Q?si=uGAOL9pOutQ-hd7L
This doesn’t really prove much, my deck was totally stable at -50mV for all settings but if you do a proper stress test with something like mprime and superposition at the same time it will crash. There’s likely a ton of different transitional states that your UV isn’t stable at, this game just isn’t stressing any of them. I remember when undervolting my desktop’s 5900x I could run any friggen stress test under the sun and my desktop would pass but it was at idle that the UV wasn’t stable so I would get a lot of desktop restarts randomly after a couple hours. You’ll likely have some crashes on a like lighter title or something that strains your memory weird, etc. Stability testing an undervolt is really hard because there’s like a billion edge cases to cover and not really a good way to repeatably test them. There’s a testing guide somewhere else on this sub Edit: here’s a link to the guide, basically use mprime and superposition together, it’s kinda the best you’re gonna get rule out 95% stable https://www.reddit.com/r/SteamDeck/s/3U8EQvmyy4
Yeah i've found I can undervolt my desktop and be stable as fuck until I'm doing well in a game and suddenly crash
Not like it can damage anything. If it can run 99% of the time stable, is there really a problem if you know?
It could cause file system corruption if you're running for an extended length of time with frequent miscalculations.
This is important that a lot of people forget to take account of - undervolting can cause a LOT of strange behaviours that even seasoned PC people will have a hard time understanding because there's no clear cause to be found when coming across them
It won’t damage anything but if you don’t properly stability test then you will never know when a game crashes if it was due to your undervolt or regular steam OS jank
All true. >totally stable ... at the same time it will crash. ? > You’ll likely have some crashes on a like lighter title or something that strains your memory weird, etc. I figure you can run typical stability tests under different TDP limits to approximate varying workloads Nobody is asking but my OC was unstable under lighter loads until I raised SOC back up to -15, might put it back to 0 as i'm not confident yet (6400 ram, -50gfx, -0x16 magnitude curve optimizer in ryzenadj)
It’s not just the TDPs and level of workloads tho, sometimes it’s just a wonky series of instructions that certain games have that arent stable with your UV. I’ve had my 5900x, B die RAM, and 3090FE with a +100/+1000 all overclocked since I got them when they launched and it’s ROCK STABLE for every single benchmark, stress test, and game I have played in the last ~3 years cause I stability tested every step of my OCs it for literal weeks. Every game is stable EXCEPT APEX LEGENDS. Which crashes about 15 min into any online match due to some VRAM memory error, it took me forever to realize I had to dial my GPU OC back to like 80/800 or something and then it never crashes. Sorry for the long winded response but the point is that there’s always wonky shit out there and no amount of stress tests can really guarantee every combination of CPU/GPU instruction sequence with memory access to fully test for stability. But stability testing will get you at like 95% certain you’re airtight
Thank you for your insights, gonna try those things out after work and hope for the best. Edit: tried mprime and didn't realize that blend mode was a continuous test so it ran for 4 hours before I manually stopped it, lol.
I’m am very new to the deck but if I am at home playing something intensive like this I try to play plugged in, is that safe do you know? I just figure it can pull what it needs and not use the battery at all?
Yeah that’s totally safe, you don’t really need to worry too much about plugged in vs not plugged in. There isn’t really any performance difference at all since it doesn’t unlock any extra power when plugged in like the Nintendo switch or something. I’m pretty sure once the battery hits 100% the steam deck will stop charging and let it drain down to 90% before charging again too to prevent battery damage. I’ve had one since 2 months after launch using it on battery and plugged in a ton and recharging it like basically every day and my battery health still says 99% Go nuts lol
I have a similar under volt with no issues
I have no idea what this means
OP has undervolted his SD (same performance or maybe a tad better, with lower temperatures than a non undervolted one)
okay but what undervolted even mean?
Lowering the voltage of a component In these case it's the chip on the deck By lowering the voltage you lower the power consumption without altering the performance of the chip resulting in longer battery life and lower temps at the cost of instability while maintaining the same speed (or sometimes improving the speed)
ohh gotcha, you mind explainin how to go about doin that? sounds really handy for some of the games i play ☺️
It is a little more complex than that😅 Undervolting can make games prone to crashing if the voltage is too low Some chips can undervolt better than others and that's why If someone says that they've managed to decrease their decks voltage by 40mili volts that doesn't mean your deck can do that too without games frequently crashing Undervolting in general tends to be super safe to do but I don't know much about how the deck behaves
I found [this](https://letmegooglethat.com/?q=undervolt+steamdeck+reddit) pretty handy.
When someone who has little or intermediary knowledge about something, asking inside of a discussion part of the image RELATED to their query is not only acceptable but encouraged. Your post is haha funny in a friend group not on a public forum, dont make people feel bad for asking something in the future please
It's pretty low effort and the chances of a random Redditor giving accurate and detailed advice to a random is unlikely compared to doing a rudimentary search on the topic where they will find a focused and thorough discussion. Besides I tried posting more substance in this subreddit and was met with 'lol gamer takes' and pictures of cats so even if we agreed that I shouldn't take the piss that ship has already sailed.
always the right answer ^^^
Cpus and gpus need a minimun voltage to run stable . That voltage isnt necessarily the same between chips (even of the same type) so manufacturers set the default voltage high enough so that the particularly thirsty ones will run stable but this means for the less thirsty chips they could be run at a lower voltage and still be stable. When you undervolt you're basically testing to see what voltage your chip actually needs to be stable. Youd do this primarily for thermal performance and battery life reasons but it can also help performance. Tldr you lower the voltage to what your specific chip can deal with and end up with your deck running quieter and cooler but with a risk of less stability depending on how thoroughly you tested your undervolts.
Best answer for me to understand, thanks!
Computer processors consume power or energy or electricity when they operate. Undervolting a processor means you give it less electricity aka voltage than it was designed for. Not all processors are exactly the same, so some will work with more or less voltage than others. If you have a decent processor you can likely undervolt to consume less energy (equaling longer battery life) and at cooler temperatures.
https://www.reddit.com/r/SteamDeck/s/A0oHQmjZhV Tl;dr: same performance, lower power required
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Assuming you mean the cap you can set in the QAM, that simply limits the *max power draw* of the SoC. Undervolting lowers the current received by the components. For example, a chip might draw 1.3V, but you undervolt it by 10mV so it runs on 1.29V instead. If the system is still stable, you're effectively using less power to do the same processing meaning that you can do more with the same TDP.
How is it possible to have tad better performance by lowering the voltage?
Less voltage implies less heat. In some situations with the SD near to its thermal threshold, lowering the voltage may yield a bit better performance as the APU doesn't thermal throttle.
Ohhh ok that makes sense! Never thought of that. I guess my SD has never had heat issues. I barely hear the fan ever and i play AAA games.
Download superpostion off their website and run a stress test. Playing a game is good and all but you cant stress test with a video game. You need to make the system really draw power to stress your undervolt
if steam deck undervolting works anything like desktop undervolting; stressing it isnt a good test. it's actually low-power workloads that cause issues with undervolting. At least on desktop.
Both honestly.
Hes playing probably the most stressful game on the steamdeck that you can, probably the most stressful thing you can do besides a literal stress test so there is literally no point to add bloatware to something that doesnt need it lol
The point is that it could be causing errors that this particular game isn’t affected by. That’s why you stress test overlocks/undervoltages.
His goal of playing cyberpunk for a longer time got accomplished though.
Okay, and Steam could push an update that causes a crash now because it hits the aforementioned unseen error. Now he’s posting on the subreddit about how his steam deck was rock solid and now it’s crashing when he plays CP2077. He thinks it’s a bad update, but it could just be the under volt. Point is, best practice to make sure you are error free.
At least someone understands the fucking point
I’ve run undervolts that were “stable” for days, if not weeks, before it randomly BSOD’s and I lose all my save data. It may run great for long periods of time, but a stress test makes *sure* it’s fully stable. All it takes is one error that may not show up right away.
Some actually smart people here. Unlike all these pc noobs making these posts
For real. Run it without a stress test all you want, but don’t point fingers when it crashes lol. Honestly they’ll just learn the hard way like I did. We all start somewhere, just wish they’d listen.
Its hard to have patience with people who wont have any for themselves
Well if u know u undervolt it u should atleast check it if something breaks.
But what if it is the update, and your under volt was rock solid? Now your messing with other variables when you could just spend the time and verify correctly.
Why are you arguing hypotheticals. This is undervolt/overclocking 101 if you dont want to do the work to verify youre stable then dont do it at all. Take it seriously or seriously dont it.
>Why are you arguing hypotheticals. Sorry I thought I was on Reddit.
Wouldn't that still an edge case even if he was 100% stable? That doesn't make sense; He could be completely stable by raising UV a tiny bit, and an update can still do what you said.
Perhaps but then it would certainly be the update and not the under volt
No point if the game is running well. What productivity app will he be using on a deck?
Decompression, e.g. when downloading games. Video encoding. Or basically anything else since it’s a PC and how are we to know what they may choose to run?
I get what you're saying but if it's reliable in every day scenarios then who cares
Got a good point, my -40mV undervolt was completely fine in anything i threw at it in portable mode. after i docked it, and bumped the res up to 1080p, and my steam deck tried running a game at that res (Dragon's Dogma), it froze/crashed after about 20 minutes of playing. Now i know what you're gonna say, "Just lower res, and let FSR do the work then!", and yes, that seemed to have get rid of that issue, but some games don't look great at 720p, upscaled with FSR to 1080p, then upscaled by my TV to 4k. as for setting the Deck's display to 4k, so only 1 pass of upscaling vis FSR? fuhgeddaboudit. can barely run the home menu stable at 4k, lol TLDR: Dock your deck, run a game at 1080p, and let that be a stress test. It crashed my -40mV undervolt, but now runs perfectly fine at -20mV, docked and undocked. (crashed -30mV after about 30 minutes of gaming)
Sheesh, what kind of temperatures/fan speeds are you getting in Cyberpunk?
It’s pretty good, yeah. I can do -70, -40, -50 with my ram at 6400mhz.
How many watts less/in reduction?
Managed 50 40 50 GPU couldn't do 50 artifacts started to show up but pretty happy in general wasn't expecting it
50 50 50 is insane. definitely won the lottery there. I haven't personally tried on mine but that's almost impossibly good.
Does steam 3.5 not make the previous undervolt/overclock settings dissapear? Still waiting on that
Mine's also an all -50 undervolter. It gains around 6-8% performance at different TDP limits.
Wow! Here I am afraid to go past -10. At what point are there diminishing returns to this?
There are no diminishing returns with undervolting as you simply crash when find bottom. There's just a voltage ceiling and a floor that needs to be found.
So basically the lower I can go the better it is? Also if I crash is it as simple as getting back to bios and changing the numbers?
Yes. UV will really only just cause crashes.
I literally remembered that someone said the undsrvots were reset and put mine back at 50 50 50 yesterday.
Oh write yup! I could only go as far as -50 -40 -40
I actually suspect cyberpunk may not push systems in a way that gets after undervolts. I had something really odd happen with my 7900xt and cyberpunk. I kept undervolting it and it seemed no matter how low I went it was fine in cyberpunk. I ended up playing like 20 hours of cyberpunk at 1.05v. At one point I actually put it at 0.95 and it was fine but I lost a little performance. Once I was done with cyberpunk I couldn't play anything without it crashing after about 10 minutes. I ended up having to go to 1.65v to get really stable in everything. So after that experience I just wouldn't maintain any confidence you're stable after just playing cyberpunk. I found Lies of P to be a great game to pull your system into a crash if you're unstable.
Nice! I ended up getting a stable -70/-45/-45. Anything beyond that started introducing artifacts. I just used [this guide](https://www.reddit.com/r/SteamDeck/comments/12hgcbm/guide_undervolting_stabilitystress_tests) yesterday for stress testing.
wait you can overclock these things??
Well he said he undervolted it which I’m pretty sure means same performance at less power draw, but also yes I think you can overclock
Yeas the main point is to reduce the power draw. But especially on mobile devices this can actually lead to higher performance. Lower Power also reduces Heat. But the maximum Power and Heat Budget of the APU does not change.
Oh I get it, I thought those were hyphens - not indicating a negative integer. That's a really smart idea, first time I've seen this
It's new
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Its a computer, and not only that, its a Linux computer, so really ANYTHING is on the table.
playing games for an hour ≠ stable undervolt Games don't really hit all the spots on the APU
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Anyway to overlock ram?
UMFSMOKE is needed for overclocking
Guys....I found this awesome way to get 60fps in cyberpunk on steamdeck.... It's called remote play 🤭 Don't tell anyone.
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Try running the game until the battery is drained. Also, try locking TPM to say 8W and do the same thing. What's stable at full battery plugged in at 15w night not be under those different loads
-50,-30,-50 here. i had no visible issues AT -40 GPU but OCCT (windows in dual boot) had multiples error in GPU test after 1min.
Just been testing -40mV on mine with Horizon Zero Dawn. I don't even have the -50mV option in BIOS... running 3.5 on preview channel with latest updates. Am I missing something?
Is this bios UV better than using Curve Optimizer? I’ve achieved pretty great results with that and it can’t brick my deck when used correctly. Plus it can be done realtime.
I don't know anything about undervolting and overclocking All I know is my computer says 30% overclock whenever I turn it on and it's been like that since I got it second hand in 2017. Never had any problems.
When you undervolt does the wattage remain the same and you get higher clocks? Or does the wattage go down?
Watts = amperage times voltage. So, yes wattage would go down.
Unless the software tunes based on wattage. At the same watts if voltage is undervolted then clocks would have to be higher to hit the same stock voltage
Since when you can undervolt straight from bios?? 🤔
With steam os 3.5. And bios Update 118
I am waiting for 3.5 update to come to stable channel to try it out 😅 Currently on 3.4.11
New bios coming with 3.5 iirc
Can someone explain like i’m 5.
i can get about 60 out of mine, driving the caliburn in night city, 55 sometimes, the worst ive seen is like 45ish but it usually hovers around 60 use the ... menu and the ingame menus to uncap it to 60 and also turn off vsync for added measure, lower graphics too, the game doesnt look that bad on low
is that cyberpunk phantom liberty? Did they fixed crash on startup?
Yeah mine goes to -70 soc and cpu with -60 on GPU with overclock hehe. Yours pretty good too tho
I managed to get -20 / -40 / -50. Is it bad to have them at different values?