Game FPS

Cities: Skylines II on GeForce RTX 5090

The GeForce RTX 5090 runs Cities: Skylines II at about 89 FPS at 1080p High (smooth), 84 FPS at 1440p and 67 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	10267	10167	9562
Medium	9462	9160	7861
High	8958	8456	6753
Ultra	8355	7751	5845

average / 1% low

Best settings

For 60+ FPS: 4K · High ~67 FPS
For 120+ FPS: not reached

Video memory

At 1440p Ultra the game uses about 9 GB and the card has 32 GB: enough memory.

Is the processor holding it back?

With a Ryzen 5 7600 at 1080p High: about 65 FPS (with a Ryzen 7 9800X3D: 89).

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.