For me, the 457.30 drivers had poor performance in Warzone. Tried everything from simple config tweaks, to OC's, to BIOS changes. None of them made a difference. I could also run Warzone with either all high settings or all low settings, neither of which improved performance. FPS stayed the same actually. The RTX 3080 was also only showing about 50% load.

Warzone would constantly hover anywhere from 90FPS - 130FPS, did not matter the area.

I also play at 1080p res.

My computer is:

i7 8700k @ 5ghz, 32gb RAM @ 3200 MHz, RTX 3080, and m.2's in raid 0

I just installed the 456.71 studio driver, definitely improved performance. Now getting 180+ FPS with a mix of High/low settings. GPU usage showed 87%.