What FPS will I get in Sekiro™: Shadows Die Twice - GOTY Edition at 1440p?

At 1440p Ultra native, expect around 180 FPS. With DLSS Quality you can push higher.

Does GeForce RTX 5090 X3 OC support DLSS or FSR in Sekiro™: Shadows Die Twice - GOTY Edition?

Yes — Sekiro™: Shadows Die Twice - GOTY Edition supports dlss2.

Yes — the GeForce RTX 5090 X3 OC runs Sekiro™: Shadows Die Twice - GOTY Edition at approximately 240 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 240 FPS @ 1080p Ultra (native). This GeForce RTX 5090 X3 OC is currently $8754.00 at Amazon ↗