Here are the Atomic Heart System Requirements (Minimum)
CPU: AMD Ryzen 5 1600@ 3. GHz or Intel Core i5-4460 @ 3.1 GHz (AVX, AVX2 and SSE 4.2 support required)
RAM: 8 GB
VIDEO CARD: AMD Radeon R9 380 (4 GB) or NVIDIA GeForce GTX 960 (4 GB)
DEDICATED VIDEO RAM: 4 GB
PIXEL SHADER: 5.1
VERTEX SHADER: 5.1
OS: Windows 10 (20H1 version or newer, 64-bit versions)
FREE DISK SPACE: 90 GB

Atomic Heart Recommended Requirements
CPU: AMD Ryzen 7 2700X @ 3.8 GHz or Intel Core i7-7700 @ 3.6 GHz (AVX, AVX2 and SSE 4.2 support required)
RAM: 16 GB
VIDEO CARD: AMD RX Vega 64 (8 GB) or NVIDIA GeForce GTX 1080 (8 GB)
DEDICATED VIDEO RAM: 8192 MB
PIXEL SHADER: 5.1
VERTEX SHADER: 5.1
OS: Windows 10 (20H1 version or newer, 64-bit versions)
FREE DISK SPACE: 90 GB