Official specs from Steam

Sonic Frontiers 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
ProcessorIntel Core i5-3470 or AMD Ryzen 5 1400
Memory8 GB RAM
GraphicsNVIDIA GeForce GTX 660, 2 GB or AMD Radeon HD 7870, 2 GB
DirectXVersion 11
Storage30 GB available space
Additional Notes720p Low @ 30 FPS. Requires a CPU which supports the AVX and SSE4 instruction set. Microsoft no longer supports Windows 10 or older versions

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows 10
ProcessorIntel Core i5-6600 or AMD Ryzen 5 2600
Memory12 GB RAM
GraphicsNVIDIA GeForce GTX 1070, 8 GB or AMD Radeon RX Vega 56, 8 GB
DirectXVersion 11
Storage30 GB available space
Additional Notes1080p High @ 60 FPS. Requires a CPU which supports the AVX and SSE4 instruction set. Microsoft no longer supports Windows 10 or older versions

FAQ

What graphics card do I need for Sonic Frontiers?

Minimum: NVIDIA GeForce GTX 660, 2 GB or AMD Radeon HD 7870, 2 GB. Recommended: NVIDIA GeForce GTX 1070, 8 GB or AMD Radeon RX Vega 56, 8 GB.

How much RAM does Sonic Frontiers need?

Sonic Frontiers needs 8 GB RAM at minimum, 12 GB RAM recommended.

How big is Sonic Frontiers?

Sonic Frontiers requires 30 GB available space.

Does Sonic Frontiers run on Mac or Steam Deck/Linux?

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