Gpu and Cpu Usage

Jan 29, 2019
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When i play CSGO i use 15% of my gpu and 70-80% of my cpu. Why am i not using any gpu.

But when i play Rust i use 70% of my gpu and 55% of my cpu, but its super inconsistent one moment ill be on 50% for both gpu and cpu, then to 35% gpu and 40% cpu, then the next on 0% gpu and 60% cpu then back up to %70 gpu and 55% cpu.

Specs are
GTX 1070
i7700HQ @ 2.8ghz
16gb Ram
237gb SSD