What FPS will I get in SCP: Secret Laboratory at 1440p?

At 1440p Ultra native, expect around 125 FPS. With DLSS Quality you can push higher.

Does GeForce RTX 5080 Solid OC support DLSS or FSR in SCP: Secret Laboratory?

SCP: Secret Laboratory does not currently support upscalers.

Yes — the GeForce RTX 5080 Solid OC runs SCP: Secret Laboratory at approximately 164 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 164 FPS @ 1080p Ultra (native). This GeForce RTX 5080 Solid OC is currently $1579.36 at MemoryC ↗