What FPS will I get in Life is Strange 2 at 1440p?

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

Does GeForce RTX 4090 GAMING AMP Extreme AIRO support DLSS or FSR in Life is Strange 2?

Life is Strange 2 does not currently support upscalers.

Yes — the GeForce RTX 4090 GAMING AMP Extreme AIRO runs Life is Strange 2 at approximately 240 FPS at 1080p Ultra (native, no upscaling).

✓Yes — Excellent

Expected: 240 FPS @ 1080p Ultra (native).