Graphics GTA V - random lags with gpu clock drop

Hello. My card Gigabyte 1080 Xtreme, no OC. 6700K stock, psu Corsair 750 RM

Problem is in GTA V. Listen.

The problem I get however is sudden drop for just 1 second to 2D clocks on my, causing massive FPS lag, a second later the clocks go back up again. Just drop from 1975mhz to 291mhz for one second.

Gpuz reporting UTIL reason.

Here is screen from GPUZ during that spike i added black arrows and you can clearly see UTIL reason as core drop from 1975mhz to 291mhz for just one second during stutter ):





This happens at ANY stage. Nothing to do with in-game activity or scene or whatever.

It drops once every few hours, very rarely. Its hard to catch. But i want to be sure that is hardware or software related?



I have latest driver version. Also tried with 368.69 and the same problem.

Windows 10 Anniversary. Nothing overclocked in system. This issue not happens in 3dmark 11 & 13 or Unigine Heaven and not even in Mafia 3.


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