What FPS will I get in Hearts of Iron IV at 1440p?

At 1440p Ultra native, expect around 0 FPS. With DLSS Quality you can push higher.

Does GeForce RTX 5080 PRIME OC support DLSS or FSR in Hearts of Iron IV?

Hearts of Iron IV does not currently support upscalers.

Yes — the GeForce RTX 5080 PRIME OC runs Hearts of Iron IV at approximately 0 FPS at 1080p Ultra (native, no upscaling).

✕No — Too Weak

Expected: 0 FPS @ 1080p Ultra (native). This GeForce RTX 5080 PRIME OC is currently $1477.71 at Amazon ↗