What FPS will I get in Grand Theft Auto IV: The Complete Edition at 1440p?

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

Does GeForce RTX 5080 SHADOW 3X OC support DLSS or FSR in Grand Theft Auto IV: The Complete Edition?

Yes — Grand Theft Auto IV: The Complete Edition supports dlss2.

Yes — the GeForce RTX 5080 SHADOW 3X OC runs Grand Theft Auto IV: The Complete Edition at approximately 0 FPS at 1080p Ultra (native, no upscaling).

✕No — Too Weak

Expected: 0 FPS @ 1080p Ultra (native). This GeForce RTX 5080 SHADOW 3X OC is currently $1349.99 at Newegg ↗