Question RTX 3080 and GTX 1060 frametime spikes

Sep 26, 2020
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Hi evevryone, first sorry for my bad english I'm french :). I have a really big problem of frametime spikes (that leads to stuttering). I have this problem with my brand new RTX 3080 and my old GTX 1060.

Here is my setup:

Aorus b550 pro ac
Ryzen 7 3700x
RTX 3080/GTX 1060
Corsair rm 750x PSU
Gskill trident z neo 3600mhz CL18
Sabrent 4.0 nvme

What I have done :

-Reinstalled Windows Multiple Times (Even on New SSD) Reinstalled GPU drivers (Used DDU for clean install without Geforce Experience)
-Updated Bios/ MOBO Drivers (Audio/LAN/Chipset)
-XMP On/Off - No difference
-Disabled All In-Game Overlays
-SWAPPED EVERY SINGLE COMPONENT IN MY PC (GPU, CPU, MOBO)
-Closed all unessessary background processes
-Turned on High Performance Power Plan in Windows
-Messed with every combination of Enabling/Disabling Gsync and Vsync - stutter still occurs in any configuration
-Tried capping fps at lower values (144, 120, 60) - stutter still occurs
-Plugged PC into different wall outlet in case this is somehow a power issue. Had no effect.
-Disabled HPET
-Disabled C States
-Tested on Other - no difference
-Used different Display port - no diff
-Play games in Offline mode - no effect
-Ran Memtest86 - no errors found
-Turned game settings all low - no effect

Notes :

-My Temps are under 70
-Cpu usage is not the bottleneck
-Disabling fullscreen optimization for each game lower the frametime spikes but the problem is always there

Here you can see the frametime :

Example 1 : View: https://imgur.com/qp8JLIO

Example 2 : View: https://imgur.com/C0NlAPl
 
Sep 27, 2020
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Try disconnecting everything you aren't using from the PC, including any/all USB connections like ones going from your motherboard to the front of your case, etc. I've heard of some bad USB cables (from Phantek) causing some issues with framerate spikes from 3 separate users, all had the same issue and disconnecting the USB header to their case (even with nothing plugged into the case) completely solved their issues.

Also, don't install riva tuner, which can cause microstuttering, even when uninstalled.
 

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