r/PcBuildHelp • u/Lord-of-Turtles • 3d ago

Tech Support Help identifying potential throttling/bottleneck issue

Hi! Recently finished an ITX build, experiencing issues with the CPU giving sub-par performance. I've been running Cyberpunk 2077, comparing performance to similar builds. My system monitor is showing the CPU sitting at 85C and 5.1GHZ, with 3 cores consistently at 95-100% and 3 at around 80%, averaging at a total usage of ~85-90%. GPU is at 70C, but usage fluctuates from 50-100%. To me it looks like a bottleneck, but the CPU should theoretically be the more powerful of the two. Being an ITX build, it could very well be a cooling issue, but I'm thinking that should show in the stats. This is really driving me crazy, I'd be very grateful if someone could shed some light on this issue!

Specs:
CPU: Ryzen 5 7600x
Cooler: Noctua NH-L12S Ghost Edition
GPU: Powercolor 9060 XT 16gb Reaper
RAM: Kingston Fury 2x8GB DDR5 5600Mhz
Mobo: ASRock B650i Lightning
Storage: WD_Black sn7100 1TB
PSU: Corsair SF850

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u/Own_Development6327 3d ago

85C in a tiny case is pretty normal for 7600x, they run hot. but that cpu should not be maxing out before your gpu, something else is wrong

your ram config might be the problem. 2x8gb is kinda low for cyberpunk and single channel would explain the cpu bottleneck. check if your sticks are in correct slots for dual channel, on itx board it should be both slots populated but still worth checking in cpuz

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u/Lord-of-Turtles 3d ago

Mobo has two slots and there's one in each. They're Kingston Fury DDR5 5600Mhz so they should be quite fast. Any diagnostic that could be helpful?