Game FPS

Assassin's Creed Black Flag Resynced on GeForce RTX 5090

The GeForce RTX 5090 runs Assassin's Creed Black Flag Resynced at about 170 FPS at 1080p High (high refresh), 144 FPS at 1440p and 96 FPS at 4K.

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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	210138	199131	159124
Medium	187123	165129	11690
High	170112	144112	9675
Ultra	153101	12497	8163
High + DLSS Quality	183121	172114	133104

average / 1% low · High preset, upscaler in Quality mode.

Best settings

For 60+ FPS: 4K · Ultra ~81 FPS
For 120+ FPS: 4K · Low ~159 FPS

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 131 FPS (with a Ryzen 7 9800X3D: 170).

The estimate is calibrated on independent benchmarks (TechSpot); typical error about ±5–10%. FRAME LAB model estimate, not a recorded benchmark: real FPS depends on the driver, game version and scene.