What FPS will I get in Halo Infinite at 1440p?

At 1440p Ultra native, expect around 175 FPS. With DLSS Quality you can push higher.

Does GeForce RTX 4090 AERO OC support DLSS or FSR in Halo Infinite?

Yes — Halo Infinite supports dlss2.

Yes — the GeForce RTX 4090 AERO OC runs Halo Infinite at approximately 213 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 213 FPS @ 1080p Ultra (native). This GeForce RTX 4090 AERO OC is currently $3149.95 at Amazon ↗