Assassin's Creed IV Black Flag System Requirements (Minimum)
CPU: Intel Core2Quad Q8400 @ 2.6 GHz or AMD Athlon II X4 620 @ 2.6 GHz
CPU SPEED: Info
RAM: 2 GB
VIDEO CARD: Nvidia Geforce GTX 260 or AMD Radeon HD 4870 (512MB VRAM with shader Model 4.0 or higher)
DEDICATED VIDEO RAM: 512 MB
PIXEL SHADER: 4.0
VERTEX SHADER: 4.0
OS: Windows Vista SP or Windows 7 SP1 or Windows 8 (both 32/64bit versions)
FREE DISK SPACE: 30 GB
SOUND CARD: Yes
Assassin's Creed IV Black Flag Recommended Requirements
CPU: Intel Core i5 2400S @ 2.5 GHz or better or AMD Phenom II x4 940 @ 3.0 GHz
CPU SPEED: Info
RAM: 4 GB
VIDEO CARD: Nvidia GeForce GTX 470 or AMD Radeon HD 5850 (1024MB VRAM with Shader Model 5.0) or better
PIXEL SHADER: 5.0
VERTEX SHADER: 5.0
OS: Windows Vista SP or Windows 7 SP1 or Windows 8 (both 32/64bit versions)
FREE DISK SPACE: 30 GB
SOUND CARD: Yes