Official specs from Steam

Granblue Fantasy: Relink system requirements

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

Minimum

NoteRequires a 64-bit processor and operating system
OSWindows® 11 (64-bit Required)
ProcessorIntel® Core™ i3-9100 / AMD Ryzen™ 3 3200G
Memory16 GB RAM
GraphicsNVIDIA® GeForce GTX™ 1060 6GB / AMD Radeon™ RX 580 8GB
DirectXVersion 11
Storage90 GB available space
Additional NotesSSD recommended (Capable of 1080p/30fps when graphics are set to Standard.)

Recommended

NoteRequires a 64-bit processor and operating system
OSWindows® 11 (64-bit Required)
ProcessorIntel® Core™ i7-8700 / AMD Ryzen™ 5 3600
Memory16 GB RAM
GraphicsNVIDIA® GeForce RTX™ 2080 8GB / AMD Radeon™ RX 6700 XT 8GB
DirectXVersion 11
Storage90 GB available space
Additional NotesSSD recommended (Capable of 1080p/60fps when graphics are set to Ultra.)

FAQ

What graphics card do I need for Granblue Fantasy: Relink?

Minimum: NVIDIA® GeForce GTX™ 1060 6GB / AMD Radeon™ RX 580 8GB. Recommended: NVIDIA® GeForce RTX™ 2080 8GB / AMD Radeon™ RX 6700 XT 8GB.

How much RAM does Granblue Fantasy: Relink need?

Granblue Fantasy: Relink needs 16 GB RAM at minimum, 16 GB RAM recommended.

How big is Granblue Fantasy: Relink?

Granblue Fantasy: Relink requires 90 GB available space.

Does Granblue Fantasy: Relink run on Mac or Steam Deck/Linux?

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