Gaming Hardware Hacking Emulation Switch Handheld Overclocking Erista Concern

DrippyB · May 23, 2022

Hello Ive been searching far and wide all over this website and online in general for an answer on this but cant find anything. I have an Erista model unit and I understand fully that Max OCs being an issue arent a matter of temps but of voltage and the board not being able to sustain high clocks. So I understand a 1785CPU/153GPU/1600 is safe within the range of usage. My question is: Besides battery life being shorter, is there any concern for running these clocks in handheld? I only want them to play Tekken 3 in handheld mode using the PS1 core in retroarch as it requires a max CPU OC and works fine with complete GPU underclock. Much appreciate for any insight, Ive been having a real hard time finding any clear answer on the effect this may have, if any at all besides less battery life. I do get pretty decent battery life handheld even at max CPU overclock playing tekken with the GPU underclocked all the way and ran a test and actually managed to get just under 4.5 hours battery life with max brightness and with the volume slider at half way.

hippy dave · May 23, 2022

You could try the recent Duckstation test build from retronx discord, apparently it has better performance without/with less overclocking.

DrippyB · May 24, 2022

hippy dave said:
You could try the recent Duckstation test build from retronx discord, apparently it has better performance without/with less overclocking.

I really appreciate the response and Ill definitely look into it. Do you happen to know of any downsides of maxing your CPU in handheld though? Just incase of of any compatibility issues with duckstation, never hurts to have two emulators.

bad361 · May 24, 2022

DrippyB said:
I really appreciate the response and Ill definitely look into it. Do you happen to know of any downsides of maxing your CPU in handheld though? Just incase of of any compatibility issues with duckstation, never hurts to have two emulators.

First of all, tekken3 needs max 1.5 CPU in rearmed for fullspeed. Secondly, duckstation port for HOS is on the horizon and it plays t3 at 2x res with geometry corrections without any OC at all (there is already an alpha build available). Thirdly, there are other options like lakka/android, generally ps1 emulation doesn't require full OC, usually 1.2-1.5 max. And lastly, there are no downsides in using allowed overclocking profiles except for shorter battery life in long terms.

hippy dave · May 24, 2022

I just read your first post again and noticed you specified a low gpu clock, and that makes sense for ps1 emulation. Yes you can run max CPU clock with no GPU overclock without any worries, potential problems would come with high CPU AND high GPU clocks, which could draw more power than the motherboard is designed for. Someone had a handy table of which settings combinations were safe, but max CPU with no GPU overclock is fine.

DrippyB · May 24, 2022

hippy dave said:
I just read your first post again and noticed you specified a low gpu clock, and that makes sense for ps1 emulation. Yes you can run max CPU clock with no GPU overclock without any worries, potential problems would come with high CPU AND high GPU clocks, which could draw more power than the motherboard is designed for. Someone had a handy table of which settings combinations were safe, but max CPU with no GPU overclock is fine.

I appreciate the insight man Thank you. I actually managed to find the table incase anyone else needs it

DrippyB · May 24, 2022

bad361 said:
First of all, tekken3 needs max 1.5 CPU in rearmed for fullspeed. Secondly, duckstation port for HOS is on the horizon and it plays t3 at 2x res with geometry corrections without any OC at all (there is already an alpha build available). Thirdly, there are other options like lakka/android, generally ps1 emulation doesn't require full OC, usually 1.2-1.5 max. And lastly, there are no downsides for using allowed overclocking profiles except for shorter battery life in long terms.

Thanks for the clarification man I appreciate it. Downloaded the Duckstation Alpha last night, and has indeed ran flawless as far as i can tell without an OC.

DrippyB · May 24, 2022

hippy dave said:
I just read your first post again and noticed you specified a low gpu clock, and that makes sense for ps1 emulation. Yes you can run max CPU clock with no GPU overclock without any worries, potential problems would come with high CPU AND high GPU clocks, which could draw more power than the motherboard is designed for. Someone had a handy table of which settings combinations were safe, but max CPU with no GPU overclock is fine.

bad361 said:
First of all, tekken3 needs max 1.5 CPU in rearmed for fullspeed. Secondly, duckstation port for HOS is on the horizon and it plays t3 at 2x res with geometry corrections without any OC at all (there is already an alpha build available). Thirdly, there are other options like lakka/android, generally ps1 emulation doesn't require full OC, usually 1.2-1.5 max. And lastly, there are no downsides for using allowed overclocking profiles except for shorter battery life in long terms.

I was examining the table and I noticed 76GPU/1785CPU is adds to to 1943.7mV which puts it just under the 20W limit. Is that cutting it too close to the limit? Any idea if thats safe? I know its under 20w but it seems like it might be pushing it a bit but im unsure, would love insight on this as well.

Edit: This just crossed my mind as well. The table doesnt include anything on RAM and im unsure of how much a RAM OC would affect the 20W limit as well. This is purely out of curiosity as i dont see a need to OC the RAM for retroarch, but would a 1600mhz RAM OC in handheld be safe as well with the same settings listed previously? (76GPU/1765CPU)

bad361 · May 24, 2022

DrippyB said:
I was examining the table and I noticed 76GPU/1785CPU is adds to to 1943.7mV which puts it just under the 20W limit. Is that cutting it too close to the limit? Any idea if thats safe? I know its under 20w but it seems like it might be pushing it a bit but im unsure, would love insight on this as well.

Edit: This just crossed my mind as well. The table doesnt include anything on RAM and im unsure of how much a RAM OC would affect the 20W limit as well. This is purely out of curiosity as i dont see a need to OC the RAM for retroarch, but would a 1600mhz RAM OC in handheld be safe as well with the same settings listed previously? (76GPU/1765CPU)

You are definitely overthinking it... You can safely run your switch at 1.7 CPU/460 GPU/1600 RAM pretty much always. The only downside is battery life. If your switch doesn't have any overheat related issues, you can safely use max available OC profile for erista. GPU overclocking is what generates the most heat and eats most of the power. So as long as you are not running your switch at 460+ gpu in handheld 24/7, you are fine.

DrippyB · May 24, 2022

I appreciate it man I definitely am overthinking it. Im just trying to be as cautious as I can with this switch because Erista consoles will probably be hard to come by in the future and I want mine to last at least until the OLED model is softmoddable which by the looks of it will be either a very long time or maybe even never.
Thanks again a ton for the clarification.

deathblade200 · May 24, 2022

DrippyB said:
1785CPU/153GPU/1600

153? the only time its plausible to run the gpu that low is something like gba any proper psx emulator (unless you love pixels meaning below 720P) would need 768. 1785 cpu is also overkill in most cases on switch in general

DrippyB · May 24, 2022

bad361 said:
You are definitely overthinking it... You can safely run your switch at 1.7 CPU/460 GPU/1600 RAM pretty much always. The only downside is battery life. If your switch doesn't have any overheat related issues, you can safely use max available OC profile for erista. GPU overclocking is what generates the most heat and eats most of the power. So as long as you are not running your switch at 460+ gpu in handheld 24/7, you are fine.

DrippyB said:
I appreciate it man I definitely am overthinking it. Im just trying to be as cautious as I can with this switch because Erista consoles will probably be hard to come by in the future and I want mine to last at least until the OLED model is softmoddable which by the looks of it will be either a

bad361 said:

You are definitely overthinking it... You can safely run your

Click to expand...

deathblade200 said:
153? the only time its plausible to run the gpu that low is something like gba any proper psx emulator (unless you love pixels meaning below 720P) would need 768. 1785 cpu is also overkill in most cases on switch in general

Rearmed in Retroarch actually runs every game Ive played with the Gpu completely underclocked to 76mhz, with CPU overclocked of course. Its running at the PS1s native resolution though. Loving the duckstation alpha, first time Ive been able to play PS1 games upscaled on switch.

deathblade200 · May 24, 2022

DrippyB said:
Rearmed in Retroarch actually runs every game Ive played with the Gpu completely underclocked to 76mhz, with CPU overclocked of course. Its running at the PS1s native resolution though. Loving the duckstation alpha, first time Ive been able to play PS1 games upscaled on switch.

like I said unless you love pixels. games look horrible in rearmed and still look horrible in duckstation unless set to 3x which is 720p

DrippyB · May 24, 2022

deathblade200 said:
like I said unless you love pixels. games look horrible in rearmed and still look horrible in duckstation unless set to 3x which is 720p

Once I saw duckstation running I decided Ill probably never run rearmed again unless I run into any compatibility issues but honestly I think native PS1 resolution still looks pretty sharp on the switchs screen, obviously not as crisp and smooth as upres, but still, pretty sharp for my eyes.

deathblade200 · May 24, 2022

DrippyB said:
Once I saw duckstation running I decided Ill probably never run rearmed again unless I run into any compatibility issues but honestly I think native PS1 resolution still looks pretty sharp on the switchs screen, obviously not as crisp and smooth as upres, but still, pretty sharp for my eyes.

I just can't stand the pixels anymore I already lived through that lol. as for overclocking realistically in real world 1785/921/1600 would hit around 20 Watts in a demanding game such as Wolfenstein or Doom while hitting around 15 Watts at stock docked speeds in the same games

Metoroid0 · Jan 28, 2023

bad361 said:
There are no downsides in using allowed overclocking profiles except for shorter battery life in long terms.

By "allowed overclocking profiles" you mean clocks that are available in sys-clk?

And by shorter battery life do you mean shorter play sessions or life of battery, its capacity will get shorter faster?

bad361 · Jan 29, 2023

Metoroid0 said:
By "allowed overclocking profiles" you mean clocks that are available in sys-clk?

And by shorter battery life do you mean shorter play sessions or life of battery, its capacity will get shorter faster?

1. Yes.
2. When overclocking, you are drawing more power, thus you will obviously get less playtime. And if you use OC a lot, of course your battery will degrade faster. Those are two interconnected facts. But don't panic, its all quite subjective and we're talking about like 10-15% shorter play times and slightly faster loss of capacity over time. My switch is 5 years old and i've been using it with cfw and OC since the very first days and im sitting with 91-93% battery capacity (according to hekate) and i haven't noticed any significant drops in playtime sessions.

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