Official specs from Steam

Far Cry 5 system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows 10 (64-bit versions only)
ProcessorIntel Core i5-2400 @ 3.1 GHz or AMD FX-6300 @ 3.5 GHz or equivalent
Memory8 GB RAM
GraphicsNVIDIA GeForce GTX 670 or AMD R9 270 (2GB VRAM with Shader Model 5.0 or better)
DirectXVersion 9.0c
NetworkBroadband Internet connection
Storage40 GB available space
Additional NotesGame contains EasyAntiCheat anti-cheat technology, and Denuvo and VMProtect anti-tamper technology.

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10 (64-bit versions only)
ProcessorIntel Core i7-4770 @ 3.4 GHz or AMD Ryzen 5 1600 @ 3.2 GHz or equivalent
Memory8 GB RAM
GraphicsNVIDIA GeForce GTX 970 or AMD R9 290X (4GB VRAM with Shader Model 5.0 or better)
DirectXVersion 9.0c
NetworkBroadband Internet connection
Storage40 GB available space
Additional NotesGame contains EasyAntiCheat anti-cheat technology, and Denuvo and VMProtect anti-tamper technology.

FAQ

What graphics card do I need for Far Cry 5?

Minimum: NVIDIA GeForce GTX 670 or AMD R9 270 (2GB VRAM with Shader Model 5.0 or better). Recommended: NVIDIA GeForce GTX 970 or AMD R9 290X (4GB VRAM with Shader Model 5.0 or better).

How much RAM does Far Cry 5 need?

Far Cry 5 needs 8 GB RAM at minimum, 8 GB RAM recommended.

How big is Far Cry 5?

Far Cry 5 requires 40 GB available space.

Does Far Cry 5 run on Mac or Steam Deck/Linux?

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