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Cinebench and timespy cpu weird decrease in score. Question.

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22 Mar 2017
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1,241
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Poland
Hello.
I have 9900K oc to 5ghz. MCE ON,INTEL TURBO ON. Temps are 70C max in looped cinebench. Gpu temps fine.
Mobo Asus Prime Z390-A with updated BIOS/UEFI.


So first i had newest drivers 417.71 and my cinebench scores was always consistent like 2115-2150.
TimeSpy psyhic test was 40fps always.


But today i installed for some reason driver version 416.94. After second restart ( not first ) score in Cinebench R15 was less consistent ,like at start 2180 and then 2100,2050,1990 ,and after 3 minutes it stabilized to 2120-2150 .

I checked 3dmark Time Spy psyhic test,and score was 37fps not 40fps like always.
But 3dmark raport 5ghz during test ,so not throttling.
But again after 3 minutes ( like in cinebench ) it stabilized to 40fps and psyhic score was normal.

Any ideas why that happened for a while ( moment ) on 416.94? I dont had any process in background but only saw ,that after moment a message from nvidia ( left right corner ) pop up about actually new nvidia driver. Also had enabled share overlay in GF experience.








So i uninstalled 416.94 and installed again 417.71 and scores are consistent like before.


Motherboard Asus Prime Z390-A with updated bios. No crashing,no bsods. Only that scores why they was lower?

Does cinebench cpu score can be affected by gpu driver or why i had for few minutes lower cinebench scores and lower fps in psyhic test time spy?
 
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