What FPS will I get in Stray at 1440p?

At 1440p Ultra native, expect around 180 FPS. With DLSS Quality you can push higher.

Does GeForce RTX 4090 iChill X3 support DLSS or FSR in Stray?

Yes — Stray supports dlss2, fsr2.

Yes — the GeForce RTX 4090 iChill X3 runs Stray at approximately 240 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 240 FPS @ 1080p Ultra (native).