Question RTX 2080 low gpu usage & fps in Rust 1440p

Feb 15, 2019
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Hello.

So I just upgraded from Asus Strix RX 480 8GB OC which runs Rust at 60-90 fps at low settings to a RTX ZOTAC 2080 AMP Edition.
I've done a clean install of windows 10, and installed the latest drivers.
My problem is Rust only uses 40% of my GPU and I get stable 70-80fps on high settings. If I put everything at max settings i still have the same fps but now gpu uses 60%.

Fps limit is set to 144fps, monitor at 144hz. "freesync" is off.
In Apex legends and Overwatch my gpu was around 80-100%.
Also the gpu has really loud coil whine coil whine (9 sec vid).

Any idea how to fix the low gpu usage, and is this coil whine normal (it's louder in person than in the video)?

My specs:
  • Ryzen 1700 with included fan.
  • 2666 16gb ddr4 ram.
  • rtx 2080 zotac amp edition.
  • Benq XL2730 144hz 1440p.
  • Evga supernova 550w G3 psu (1 year old).
  • PRIME B350M-A Motherboard.
 

greenmrt

Reputable
May 19, 2015
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What you are describing reads like a classic CPU bottleneck. What is your CPU usage while the game is running? The GPU can only render the frames that the CPU has managed to draw.
 

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