Official specs from Steam

Assassin's Creed Syndicate system requirements

Minimum and recommended PC specs as listed by the developer on Steam.

Minimum

OSWindows 10 (64-bit versions only)
ProcessorIntel Core i5 2400s @ 2.5 GHz / AMD FX 6350 @ 3.9 GHz
Memory6 GB RAM
GraphicsNVIDIA GeForce GTX 660 / AMD Radeon R9 270 (2GB VRAM with Shader Model 5.0)
Sound CardDirectX Compatible Sound Card with latest drivers

Recommended

OSWindows 10 (64-bit versions only)
ProcessorIntel Core i7 3770 @ 3.5 GHz / AMD FX 8350 @ 4.0 GHz
Memory8 GB RAM
GraphicsNVIDIA GeForce GTX 760 (4GB) or the newer GTX 970 (4GB) / AMD Radeon R9 280X (3GB of VRAM) or better
Sound CardDirectX Compatible Sound Card with latest drivers
Additional Notes*Technical Notice from the developer: For a recommended experience, the game requires a video card with at least 3GB of VRAM when playing at a full HD resolution. While we encourage you to fiddle with the advanced options to fully customize your gaming experience, please keep an eye out for the VRAM meter usage when you adjust these settings.

FAQ

What graphics card do I need for Assassin's Creed Syndicate?

Minimum: NVIDIA GeForce GTX 660 / AMD Radeon R9 270 (2GB VRAM with Shader Model 5.0). Recommended: NVIDIA GeForce GTX 760 (4GB) or the newer GTX 970 (4GB) / AMD Radeon R9 280X (3GB of VRAM) or better.

How much RAM does Assassin's Creed Syndicate need?

Assassin's Creed Syndicate needs 6 GB RAM at minimum, 8 GB RAM recommended.

Does Assassin's Creed Syndicate run on Mac or Steam Deck/Linux?

There is no native macOS version. There is no native Linux build (Proton compatibility may vary).