What FPS will I get in Z1 Battle Royale 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 Z1 Battle Royale?

Z1 Battle Royale does not currently support upscalers.

Yes — the GeForce RTX 5090 X3 OC runs Z1 Battle Royale 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 ↗