What FPS will I get in Halo: The Master Chief Collection at 1440p?

At 1440p Ultra native, expect around 0 FPS. With DLSS Quality you can push higher.

Does GeForce RTX 5080 X3 OC support DLSS or FSR in Halo: The Master Chief Collection?

Yes — Halo: The Master Chief Collection supports dlss2.

Yes — the GeForce RTX 5080 X3 OC runs Halo: The Master Chief Collection at approximately 0 FPS at 1080p Ultra (native, no upscaling).

✕No — Too Weak

Expected: 0 FPS @ 1080p Ultra (native). This GeForce RTX 5080 X3 OC is currently $1250.29 at MemoryC ↗