Genshin Impact - 100% CPU usage - there's a solution! RX 580 / RX 570 / GENSHIN IMPACT"
"I noticed that for quite a while now, Genshin Impact randomly loads all the cores (in my case, 8 cores and 16 threads) to 100%, causing FPS drops and other issues. The load can be either brief, lasting a few seconds, or more prolonged, lasting up to half a minute, which disrupts gameplay.
But there’s a solution! Install an older version of the AMD graphics card driver!
You might ask, what does the GPU have to do with it if the load is on the CPU?! - AMD stopped supporting older RX 4xx/5xx series GPUs, and the new drivers, which rarely get released, don't fix anything and instead add more bugs! And this is one of them! It’s likely related to improper data caching, forcing the CPU to do the GPU’s work.
So, the solution is to install an old driver, in my case, version 22.5.1, and the problem goes away. On the left, you can see how the game performs on the latest 24.7.1 drivers, and on the right, how it works on the older 22.5.1 driver.
Draw your own conclusions! Thanks to / @onlesilv for the tip!
I don't know if these issues exist on newer AMD GPUs like the RX 6xxx or 7xxx series, or on NVIDIA cards. In my case, the problem was with the RX 570 and 580, and I fixed it!"
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CPU: Intel Xeon E5-2640 v3
Cooler: Cooler Master Hyper TX3 (2009 / 90 mm)
GPU: AMD RX580 2048SP 8GB
[undervolt 0.980 v / 1260 MHz]
RAM: 2x8GB DDR4 ECC (https://ali.ski/eQUEWP)
Motherboard: X99H (https://ali.ski/7Asz9)
PSU: Cougar STE 500W (2019)
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Monitor: SAMSUNG SyncMaster S22B150 (16:9) 1080p@60Hz
Monitor: BenQ G700 (Analog) (5:4) 1024p@75Hz
Headset: Defender Epic Pro
Keyboard: Oklick 717G BLACK DEATH
Mouse: A4Tech Bloody V7M
Mousepad: Razer Goliathus Alpha Control Fragged Edition
Gamepad: GameSir T4w 1.39 (https://ali.ski/fl-tm2)
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