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Same for me : 2700mHz @ 940 mV. Cool fast ‘n quiet!2760MHz @ 950mV worked great for my 4090.
Here's my results in my limited testing with Speedway.
In a lot of cases lower temps and in some cases more performance all good desirable things lol.Why though?
Would be my question. Both the 4080/4090 already run really cool, and aren't really throttling due to heat. If you simply just want the 4090 to use less power wouldn't it be easier to just plug one less power connector on, and force the card to run in 450w max mode?Why though?
Not sure how locked down 4090s are but for example on a 13900k you can unlock something wild like 20 degrees worth of cooler temperatures which means a cooler longer lasting chip and cooler PC room and lower electricity bill and lower power draw all together. Different ways to tune can go for efficiency or more power with less voltage or find a sweet spot for power and efficiency. For example I can tune my 12700k down to 100 watt power draw and not lose any gaming power. That means my chip stays under 40 degrees under full load if it's a cold day lolI overclocked my card up the wazoo. I got 2 fps. What performance are you referring to?
Also card remained at 65 C. What cooler temps are you referring to?
Are there some magical properties of this 4090 that I am missing?
For me it's curiosity how efficient the card could be with some tuning. I have as much interest in efficiency as I do overclocking to see what my hardware is capable of.Why though?
AfterburnerWhat’s everyone using to tune GPU seeing that Afterburner hasnt been updated in a year?
Afterburner, Latest version is here: https://www.guru3d.com/files-details/msi-afterburner-beta-download.htmlWhat’s everyone using to tune GPU seeing that Afterburner hasnt been updated in a year?
Ampere was power limited so it was very easy to hit the power limit and have clocks and voltage bouncing around wildly at the max. Hence and undervolt helped stabilize both the voltage and and clock speed. Lovelace on the other hand is voltage limited and unlike Ampere which basically tapped Samsung 8nm for all it could give, Lovelace is much more efficient. Undervolting on Lovelace is probably going to net you better power draw, lower temps, but wouldn't expect to find any unlocked performance via undervolting like you would undervolting Ampere.My 3080 undervolted great, with actually better performance than at stock. I see some YT videos on undervolting the 4090 or just power limiting it but results seem somewhat mixed.
Anyone doing this? Results you are seeing?
If you can fine tune it well enough you might be able to get the same performance you would have had anyway just with lower voltage and temperature and power draw which extends the life of your components, decreasing your power draw and power bill, lowering your temperatures in case and in your room, lowering your fan speeds making it quieter while being cooler which is all in all a better experience.I want more performance. Why would I be losing performance? If I wanted a loser card I would’ve bought a 7900xtx.
Just use vsync or frame rate limiter so the card is not renderings frames that cannot be displayed on the monitor in a pointless fashion. Meaning you have 100% capability when needed and lower power when not. Not limiting performance at all.If you can fine tune it well enough you might be able to get the same performance you would have had anyway just with lower voltage and temperature and power draw which extends the life of your components, decreasing your power draw and power bill, lowering your temperatures in case and in your room, lowering your fan speeds making it quieter while being cooler which is all in all a better experience.
Derbauer was just demonstrating that at the cost of 5 percent you can decrease 35 percent power draw or at the cost of 10 percent decreasing almost 50 percent power draw in cases where you don't need the extra power because you are already at the fps limit there is no reason to pump more power/voltage and heat into your pc and room. The 4090 is so powerful that you have that luxury.
Yea I already do use G-sync and V-sync because of the reasons you mentioned and I don't like to see any screen tearing. Even on comp shooters I still leave them both on because it's fast enough and I really get distracted by tearing. 4k 144hz is the sweet spot lolJust use vsync or frame rate limiter so the card is not renderings frames that cannot be displayed on the monitor in a pointless fashion. Meaning you have 100% capability when needed and lower power when not. Not limiting performance at all.
Of course competitive gamers may want uncapped frame rates, 2x over refresh rate if possible (reduced settings, resolution) for lowest input lag.