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 5080 X3 OC support DLSS or FSR in Halo Infinite?

Yes — Halo Infinite supports dlss2.

Yes — the GeForce RTX 5080 X3 OC runs Halo Infinite at approximately 208 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 208 FPS @ 1080p Ultra (native). This GeForce RTX 5080 X3 OC is currently $1250.29 at MemoryC ↗