Here are the Sniper Elite 4 System Requirements (Minimum)
CPU: Intel CPU Core i3-2100 or AMD equivalent
CPU SPEED: Info
RAM: 4 GB
VIDEO CARD: AMD Radeon HD 7870 (2GB) or NVIDIA GeForce GTX 660 (2GB)
DEDICATED VIDEO RAM: 2048 MB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: 64-bit Windows 7, 64-bit Windows 8.1 or 64-bit Windows 10

Sniper Elite 4 Recommended Requirements
CPU: Intel CPU Core i7-3770 or AMD equivalent
CPU SPEED: Info
RAM: 8 GB
VIDEO CARD: Nvidia GPU GeForce GTX 970 / AMD GPU Radeon RX 480
DEDICATED VIDEO RAM: 4096 MB
PIXEL SHADER: 5.1
VERTEX SHADER: 5.1
OS: 64-bit Windows 7, 64-bit Windows 8.1 or 64-bit Windows 10