What FPS will I get in Warhammer 40,000: Space Marine 2 at 1440p?

At 1440p Ultra native, expect around 89 FPS. With DLSS Quality you can push higher.

Does GeForce RTX 5080 EXPERT OC support DLSS or FSR in Warhammer 40,000: Space Marine 2?

Yes — Warhammer 40,000: Space Marine 2 supports dlss2, dlss3, frame_gen_dlss.

Yes — the GeForce RTX 5080 EXPERT OC runs Warhammer 40,000: Space Marine 2 at approximately 122 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 122 FPS @ 1080p Ultra (native). This GeForce RTX 5080 EXPERT OC is currently $1699.99 at Amazon ↗