Best Warzone settings for RTX 4090
Recommended at 4k: expect 119–170 FPS after applying the playbook below. Your RTX 4090 is the limiting factor in Warzone.
At 4k, Warzone's rendering pipeline saturates a S-tier NVIDIA GPU before any CPU draw-call limit. Settings that reduce GPU load (shader quality, shadow detail, particle resolution, upscaling) produce the biggest FPS gains. Settings that ease CPU work (view distance, draw distance) help less.
Apply these settings in Warzone
Ranked by FPS impact for tier S hardware. Apply the high-impact ones first — top three usually account for 60% of the gain.
Single biggest FPS gain in IW 9.0 — shadow maps eat GPU memory and pass time. Drops 12–18 FPS off ultra to low without changing combat readability.
24GB VRAM has headroom for High at 4k without paging — keep the textures.
Volumetrics (smoke, light shafts) are GPU-expensive and add no competitive info. ~7 FPS gain, no visibility cost.
Heavy on a S-tier GPU during firefights when the screen is full of effects. Low keeps frametimes stable in combat.
NVIDIA DLSS 4 at Quality preset gives roughly +30% FPS for a small image-quality hit. At 4k, the upscale base is high enough that artifacts are minimal.
Free FPS, plus better tracking for moving targets. Always off in competitive setups.
Adds input lag, no benefit for an FPS title. Use a custom FPS cap (refresh × 0.97) instead if you need to control frame timing.
NVIDIA-specific tweaks
These are in NVIDIA Control Panel + GeForce App.
Single biggest input-latency improvement on NVIDIA. ~10–25 ms reduction depending on title. Always on.
Windows Settings → Display → Graphics. Enables CPU offload for GPU work scheduling. Small but consistent gain.
NVIDIA Control Panel → 3D Settings → set per game. Forces full clocks during play.
About the RTX 4090
The RTX 4090 (2022 release, 24GB VRAM) is a flagship card. At 4k in Warzone, the biggest FPS levers are upscaling, shadow detail, and brand-specific latency reducers (NVIDIA Reflex). The settings above are the floor — for a fully personalized playbook factoring CPU, RAM, and your monitor refresh rate, run BetterFPS.