NVIDIA Aware of G-Sync Bug that Causes Temp Issue and Power Drain

By   /   Nov 9, 2015
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For the more technically minded PC gamers they’ll be aware of the G-Sync functionality that NVidia build into some of their GPUs. It looks like there may be a bug in it, and they are aware of the problem, which will hopefully mean they are working on fixing it.

This revelation come about when PC Perspective found a problem while testing the ASUS PG279Q monitor with a 165Hz refresh rate. Enabling the G-Sync on their GeForce GTX 980ti graphics card caused a rise in temperature and a draw on power.

According to PC Perspective they have had confirmation that this is an issue by an unnamed spokesperson from NVIDIA:

“You were right! That new monitor (or you) exposed a bug in the way our GPU was managing clocks for G-Sync and very high refresh rates. As a result of your findings, we are fixing the bug which will lower the operating point of our GPUs back to the same power level for other displays. We’ll have this fixed in an upcoming driver.”

G-Sync is used to fix screen tearing by synchronising display refresh rate to the GPI or as Nvidia themselves describe it:

“NVIDIA G-SYNC is groundbreaking new display technology that delivers the smoothest gaming experience ever. G-SYNC’s revolutionary smoothness is achieved by synchronizing display refresh rates to the GPU in your GeForce GTX-powered desktop or notebook, eliminating screen tearing and minimizing display stutter and input lag. The result: scenes appear instantly, objects look sharper, and gameplay is super smooth, giving you a stunning visual experience and a serious competitive edge.”

Obviously if this is causing not only a draw on the computer’s power supply but also a raise in temperature this will lead to a drop in performance and potentially system instability. With no news on a release date for the fix for this, its hoping that NVIDIA will deal with this issue as quickly as possible.

Have you had any problems with NVIDIA’s G-Sync technology? Let us know your thoughts below.

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