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[PC Gamer] 144Hz monitors and Nvidia GPUs draw surprising amounts of power

post #1 of 131
Thread Starter 
http://www.pcgamer.com/144hz-monitors-and-nvidia-gpus-draw-surprising-amounts-of-power/
Quote:
Asus’ new RoG Swift PG279Q might be the new best gaming monitor around, but it's also responsible for PC Perspective discovering some interesting information: high refresh monitors draw a lot of power. Or, rather, they can make your PC suck down power like an AC junkie. According to tests performed by PC Perspective, it seems that when using the higher refresh rates of some panels, including the PG279Q, power draw on the system itself increases by an unusual amount.
PC Perspective hooked up a GeForce GTX 980 Ti with the monitor and cycled through refresh rates while idling on the Windows 8.1 desktop. At 60Hz, the monitor drew 22.W, while the system idled at 73.7W. Stepping up to 100 and 120Hz only showed a minor increase in power consumption, but when the 144Hz option was chosen, the idle system power jumped from 76W to 134W. In addition, the system would repeatedly jump up to over 200W of idle power draw for 30 seconds at a time, then jump back down for a few minutes.


That's what happens when at idle a 144Hz refresh rate causes your GPU to not throttle down. Really one of the more frustrating things about high refresh rate monitors and the reason I never go past 120Hz for day to day usage.

Maybe this is the kick in the butt that's needed to get a better solution then allowing the gpu to idle at 885MHz when pushing a 144Hz refresh rate.
     
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post #2 of 131
*looks at 144hz monitor and ageing 680* well time to drop down to 120hz
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post #3 of 131
Soo... did AMD win?
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post #4 of 131
Who cares, my electric bills are meaningless regarding my PC consumption considering I use a Washer/Drier/Water heater with 1 hour long baths/ a Big ass fridge and 5 TVs with the 220v 3000W central AC 24/7, like... Who cares?
post #5 of 131
Seriously ? They discovered it now ? It's well know issue for several years already. Go above 120 Hz on desktop and geforce no longer goes back to 2D mode.

Same thing happened to anyone running dual displays (not sure if they fixed it or not)
post #6 of 131
That's why you don't use 144, buy a proper motion blur monitor and set it 120 to remove all of that new-age gizmo nonsense thumb.gif
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post #7 of 131
Quote:
Originally Posted by The Robot View Post

Soo... did AMD win?

no, as the power draw of the monitor would probably be similar fashion using AMD GPUs. But the idea does partially mitagate arguments that AMD gpus draw too much power when pushing high refresh rates have a relatively significant impact on power consumption (idle roughly equal to adding an extra 6 pin pci-e(75w), and system draw almost equal to GPU at load power consumption)
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post #8 of 131
Quote:
That's why you don't use 144, buy a proper motion blur monitor and set it 120

24/7ing 120hz strobing drastically increases eye strain. It's not at all suitable for using a PC 6-8 hours a day, at least for some people
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post #9 of 131
I have my VG284QE 24" 144Hz monitor set to 144Hz all the time....my 980Ti still idles at 135Mhz core/200Mhz memory. Maybe old drivers?
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post #10 of 131
Quote:
Originally Posted by Lxcivic2k1 View Post

I have my VG284QE 24" 144Hz monitor set to 144Hz all the time....my 980Ti still idles at 135Mhz core/200Mhz memory. Maybe old drivers?

It's a bit hit and miss for both Nvidia and AMD
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