Game FPS

Hearts of Iron IV on Radeon RX 6600

The Radeon RX 6600 runs Hearts of Iron IV at about 113 FPS at 1080p High (smooth), 82 FPS at 1440p and 51 FPS at 4K.

FPS by resolution and preset

Average FPS and 1% low without upscaling, Ryzen 7 9800X3D processor, 32 GB of memory.

Preset	1080p	1440p	4K
Low	178139	139109	8969
Medium	134105	9977	6248
High	11388	8264	5139
Ultra	9574	6853	4233

average / 1% low

Best settings

For 60+ FPS: 4K · Medium ~62 FPS
For 120+ FPS: 1440p · Low ~139 FPS

Video memory

At 1440p Ultra the game uses about 2.8 GB and the card has 8 GB: enough memory.

Is the processor holding it back?

With a Ryzen 5 7600 at 1080p High: about 105 FPS (with a Ryzen 7 9800X3D: 113).

Approximate model estimate, not yet checked against measurements; typical error about ±15–20%. FRAME LAB model estimate, not a recorded benchmark: real FPS depends on the driver, game version and scene.