Here are the Assassin’s Creed Odyssey System Requirements (Minimum)
CPU: AMD FX 6300 @ 3.8 GHz, Ryzen 3 – 1200, Intel Core i5 2400 @ 3.1 GHz
CPU SPEED: Info
RAM: 8 GB
VIDEO CARD: AMD Radeon R9 285 or NVIDIA GeForce GTX 660 (2GB VRAM with Shader Model 5.0)
DEDICATED VIDEO RAM: 2048 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 7 SP1, Windows 8.1, Windows 10 (64-bit versions only)
FREE DISK SPACE: 46GB available hard drive space
SOUND CARD: Yes

Assassin’s Creed Odyssey Recommended Requirements
CPU: AMD FX-8350 @ 4.0 GHz, Ryzen 5 – 1400, Intel Core i7-3770 @ 3.5 GHz
CPU SPEED: Info
RAM: 8 GB
VIDEO CARD: AMD Radeon R9 290 or NVIDIA GeForce GTX 970 (4GB VRAM or more with Shader Model 5.0) or better
DEDICATED VIDEO RAM: 4096 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows 7 SP1, Windows 8.1, Windows 10 (64-bit versions only)
FREE DISK SPACE: 46 GB available hard drive space
SOUND CARD: Yes