https://news.ubisoft.com/article/far-cry-5-pc-specs-and-system-requirements-revealed

MINIMUM CONFIGURATION:
OS: Windows 7 SP1, Windows 8.1, Windows 10 (64-bit versions only)
PROCESSOR: Intel Core i5-2400 @ 3.1 GHz or AMD FX-6300 @ 3.5 GHz or equivalent
VIDEO CARD: NVIDIA GeForce GTX 670 or AMD R9 270 (2GB VRAM with Shader Model 5.0 or better)
SYSTEM RAM: 8GB
Resolution: 720p
Video Preset: Low

RECOMMENDED CONFIGURATION (60 FPS):
OS: Windows 7 SP1, Windows 8.1, Windows 10 (64-bit versions only)
PROCESSOR: Intel Core i7-4770 @ 3.4 GHz or AMD Ryzen 5 1600 @ 3.2 GHz or equivalent
VIDEO CARD: NVIDIA GeForce GTX 970 or AMD R9 290X (4GB VRAM with Shader Model 5.0 or better)
SYSTEM RAM: 8GB
Resolution: 1080p
Video Preset: High

4K 30 FPS CONFIGURATION:
OS: Windows 10 (64-bit version only)
PROCESSOR: Intel Core i7-6700 @ 3.4 GHz or AMD Ryzen 5 1600X @ 3.6 GHz or equivalent
VIDEO CARD: NVIDIA GeForce GTX 1070 or AMD RX Vega 56 (8GB VRAM with Shader Model 5.0 or better)
SYSTEM RAM: 16GB
Resolution: 2160p
Video Preset: High

4K 60 FPS CONFIGURATION:
OS: Windows 10 (64-bit version only)
PROCESSOR: Intel Core i7-6700K @ 4.0 GHz or AMD Ryzen 7 1700X @ 3.4 GHz or equivalent
VIDEO CARD: NVIDIA GeForce GTX 1080 SLI or AMD RX Vega 56 CFX (8GB VRAM with Shader Model 5.0 or better)
SYSTEM RAM: 16GB
Resolution: 2160p
Video Preset: High/Ultra