Crytek has now listed the minimum system requirements for Crysis 3 and they're as follows:
Windows Vista, Windows 7 or Windows 8, DirectX 11 graphics card with 1 GB Video RAM, Dual core CPU, 2 GB Memory (3 GB on Vista).
Crytek suggests upgrading to a quad-core CPU, 4 GB of RAM, with examples of CPU/GPU combinations that include Intel Core i5-750/NVIDIA GTX 560 and AMD Phenom II X4 805/AMD Radeon HD5870.
Windows Vista, Windows 7 or Windows 8, DirectX 11 graphics card with 1 GB Video RAM, Dual core CPU, 2 GB Memory (3 GB on Vista).
Crytek suggests upgrading to a quad-core CPU, 4 GB of RAM, with examples of CPU/GPU combinations that include Intel Core i5-750/NVIDIA GTX 560 and AMD Phenom II X4 805/AMD Radeon HD5870.