hitmanblood
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I have a evga 3080 Xc3 ultra, when i have all three monitors hooked up the core clock downclocks to 210mhz just fine, but my memory clock stays locked at 9502mhz. GPU ends up using 40%ish power and around 80-100w at idle. If i disable the other two monitors and just use one monitor, then my gpu memory downclocks to 450mhz and uses around 22w at idle. Is it not possible for the card to downclock the memory and core when using multi monitors? just sitting on the desktop with three monitors the card is working pretty hard here and the memory refuses to budge from 9500mhz.
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aciditty
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Re: EVGA 3080 XC3 ultra, memory not downclocking on idle.
2020/09/24 23:58:04
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Ah man is this problem back I had it with my 980 back in the day after windows 10 upgrade. 4 driver updates later it disappeared. If I remembered right I had to make a power profile in windows to get around it or use Nvidia surround to solve the issue. Good luck.
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hitmanblood
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Re: EVGA 3080 XC3 ultra, memory not downclocking on idle.
2020/09/25 00:08:22
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aciditty
Ah man is this problem back I had it with my 980 back in the day after windows 10 upgrade. 4 driver updates later it disappeared. If I remembered right I had to make a power profile in windows to get around it or use Nvidia surround to solve the issue. Good luck.
If i change one of my monitors from 144hz to 60hz it will downclock the memory to 5000mhz at idle, if i put two at 60 an leave one at 144hz it will downclock to 450mhz like it should. Weird how three monitors doing almost nothing needs the card to work this hard.
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HeavyHemi
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Re: EVGA 3080 XC3 ultra, memory not downclocking on idle.
2020/09/25 00:09:24
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hitmanblood
I have a evga 3080 Xc3 ultra, when i have all three monitors hooked up the core clock downclocks to 210mhz just fine, but my memory clock stays locked at 9502mhz. GPU ends up using 40%ish power and around 80-100w at idle. If i disable the other two monitors and just use one monitor, then my gpu memory downclocks to 450mhz and uses around 22w at idle. Is it not possible for the card to downclock the memory and core when using multi monitors? just sitting on the desktop with three monitors the card is working pretty hard here and the memory refuses to budge from 9500mhz.
Make sure you have either Optimal or Adaptive Power set in the Global Profile in the Nvidia Control Panel. Once set, you need to reboot. Edit...oh... high refresh rate monitors, especially multiple is going the cause the GPU to run in a higher power state. It's even in the release notes. It varies per set up, how much or little the GPU runs above idle 2d clocks.
post edited by HeavyHemi - 2020/09/25 00:12:53
EVGA X99 FTWK / i7 6850K @ 4.5ghz / RTX 3080Ti FTW Ultra / 32GB Corsair LPX 3600mhz / Samsung 850Pro 256GB / Be Quiet BN516 Straight Power 12-1000w 80 Plus Platinum / Window 10 Pro
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hitmanblood
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Re: EVGA 3080 XC3 ultra, memory not downclocking on idle.
2020/09/25 00:16:34
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HeavyHemi
hitmanblood
I have a evga 3080 Xc3 ultra, when i have all three monitors hooked up the core clock downclocks to 210mhz just fine, but my memory clock stays locked at 9502mhz. GPU ends up using 40%ish power and around 80-100w at idle. If i disable the other two monitors and just use one monitor, then my gpu memory downclocks to 450mhz and uses around 22w at idle. Is it not possible for the card to downclock the memory and core when using multi monitors? just sitting on the desktop with three monitors the card is working pretty hard here and the memory refuses to budge from 9500mhz.
Make sure you have either Optimal or Adaptive Power set in the Global Profile in the Nvidia Control Panel. Once set, you need to reboot.
Edit...oh... high refresh rate monitors, especially multiple is going the cause the GPU to run in a higher power state. It's even in the release notes. It varies per set up, how much or little the GPU runs above idle 2d clocks.
so... i literally kept all monitors at 144hz, except for the third one, i set that to 120hz and the memory now downclocks at idle to 405mhz. How can 2 monitors run at 144hz and one run at 120 be the difference, its just 20hz more and the card goes from 405mhz idle to 9502mhz all the time lol thats insane.
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HeavyHemi
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Re: EVGA 3080 XC3 ultra, memory not downclocking on idle.
2020/09/25 00:28:28
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hitmanblood
HeavyHemi
hitmanblood
I have a evga 3080 Xc3 ultra, when i have all three monitors hooked up the core clock downclocks to 210mhz just fine, but my memory clock stays locked at 9502mhz. GPU ends up using 40%ish power and around 80-100w at idle. If i disable the other two monitors and just use one monitor, then my gpu memory downclocks to 450mhz and uses around 22w at idle. Is it not possible for the card to downclock the memory and core when using multi monitors? just sitting on the desktop with three monitors the card is working pretty hard here and the memory refuses to budge from 9500mhz.
Make sure you have either Optimal or Adaptive Power set in the Global Profile in the Nvidia Control Panel. Once set, you need to reboot.
Edit...oh... high refresh rate monitors, especially multiple is going the cause the GPU to run in a higher power state. It's even in the release notes. It varies per set up, how much or little the GPU runs above idle 2d clocks.
so... i literally kept all monitors at 144hz, except for the third one, i set that to 120hz and the memory now downclocks at idle to 405mhz. How can 2 monitors run at 144hz and one run at 120 be the difference, its just 20hz more and the card goes from 405mhz idle to 9502mhz all the time lol thats insane.
What you did has been the solution forever. I know you think it's not much, but consider how many pixels you're pushing at that refresh rate. 5 years ago, you'd have maxed out a GPU with just one 144hz display. It is pretty much entirely to prevent display glitches.
EVGA X99 FTWK / i7 6850K @ 4.5ghz / RTX 3080Ti FTW Ultra / 32GB Corsair LPX 3600mhz / Samsung 850Pro 256GB / Be Quiet BN516 Straight Power 12-1000w 80 Plus Platinum / Window 10 Pro
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stroker425
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Re: EVGA 3080 XC3 ultra, memory not downclocking on idle.
2020/09/25 08:30:03
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Thanks for info and responses
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