Here are the Counter-Strike: Global Offensive System Requirements (Minimum)
CPU: Intel® Core™ 2 Duo E6600 or AMD Phenom™ X3 8750 processor or better
CPU SPEED: Info
RAM: 2 GB
OS: Windows® 7/Vista/XP
VIDEO CARD: Video card must be 256 MB or more and should be a DirectX 9-compatible with support for Pixel Shader 3.0
PIXEL SHADER: 3.0
FREE DISK SPACE: 15 GB
DEDICATED VIDEO RAM: 256 MB
Here are the League of Legends System Requirements (Minimum)
CPU: Info
CPU SPEED: 3 GHz processor (supporting SSE2 instruction set or higher)
RAM: 2 GB
OS: Windows 7, Windows 8, or Windows 10 (Windows XP and Vista are no longer officially supported by Riot)
VIDEO CARD: Shader version 2.0 capable video card
PIXEL SHADER: 2.0
VERTEX SHADER: 2.0
FREE DISK SPACE: 8 GB