GTX 1080. The minimum required graphics card is a GTX 660/R9 285.
The full requirements—in the order of minimum, recommended, and recommended for 4K—are below, as published on Ubisoft's website. Note that the "targeted framerate" is 30 fps:
Minimum Requirements
OS: Windows 7 SP1, Windows 8.1, Windows 10 (64-bit versions only)
Processor: AMD FX 6300 @ 3.8 GHz, Ryzen 3 – 1200, Intel Core i5 2400 @ 3.1 GHz
Video: AMD Radeon R9 285 or NVIDIA GeForce GTX 660 (2GB VRAM with Shader Model 5.0)
Memory: 8GB RAM
Resolution: 720p
Targeted framerate: 30 FPS
Video Preset: Low
Storage: 46GB available hard drive space
DirectX: DirectX June 2010 Redistributable
Sound: DirectX 9.0c compatible sound card with latest drivers
Recommended Specification
OS: Windows 7 SP1, Windows 8.1, Windows 10 (64-bit versions only)
Processor: AMD FX-8350 @ 4.0 GHz, Ryzen 5 - 1400, Intel Core i7-3770 @ 3.5 GHz
Video: AMD Radeon R9 290 or NVIDIA GeForce GTX 970 (4GB VRAM or more with Shader Model 5.0) or better – See ed list
Memory: 8GB RAM
Resolution: 1080p
Targeted framerate: 30 FPS
Video Preset: High
Storage: 46GB available hard drive space
DirectX: DirectX June 2010 Redistributable
Sound: DirectX 9.0c compatible sound card with latest drivers
Recommended 4K Configuration
OS: Windows 10 (64-bit versions only)
Processor: AMD Ryzen 1700X @ 3.8 GHz, Intel Core i7 7700 @ 4.2 GHz
Video: AMD Vega 64, NVIDIA GeForce GTX 1080 (8GB VRAM with Shader Model 5.0)
Memory: 16GB RAM
Resolution: 4K
Targeted framerate: 30 FPS
Video Preset: High
Storage: 46GB available hard drive space
DirectX: DirectX June 2010 Redistributable
Sound: DirectX 9.0c compatible sound card with latest drivers
For everything we know about Assassin's Creed Origins—including details on combat, romance and the Ancient Greece setting, here.
