Here are the Mad Max System Requirements (Minimum)
CPU: Intel Core i5-650, 3.2 GHz or AMD Phenom II X4 965, 3.4 Ghz
CPU SPEED: Info
RAM: 6 GB
VIDEO CARD: NVIDIA GeForce GTX 660ti (2 GB Memory or higher) or AMD Radeon HD 7870 (2 GB Memory or higher)
DEDICATED VIDEO RAM: 2 GB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: 64-bit Windows Vista, 7, or 8
FREE DISK SPACE: 32 GB

Mad Max Recommended Requirements
CPU: Intel Core i7-3770, 3.4 GHz or AMD FX-8350, 4.0 GHz
CPU SPEED: Info
RAM: 8 GB
VIDEO CARD: NVIDIA GeForce GTX 760 (3 GB Memory or higher) or AMD Radeon HD 7970 (3 GB Memory or higher)
DEDICATED VIDEO RAM: 3 GB
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: 64 bit: Win 7 SP1, Win 8.1
FREE DISK SPACE: 32 GB