Crysis System Requirements - Official

Minimum system requirements from Crytek and EA OS - Windows XP or Windows Vista Processor - 2.8 GHz or faster (XP) or 3.2 GHz or faster* (Vista) Memory - 1.0 GB RAM (XP) or 1.5 GB RAM (Vista) Video Card -256 MB** Hard Drive - 12GB Sound Card - DirectX 9.0c compatible	Recommended System Requirements from Crytek and EA OS - Windows XP / Vista Processor - Intel Core 2 DUO @ 2.2GHz or AMD Athlon 64 X2 4400+ Memory - 2.0 GB RAM GPU - NVIDIA GeForce 8800 GTS/640 or similar
* Supported Processors: Intel Pentium 4 2.8 GHz (3.2 GHz for Vista) or faster, Intel Core 2.0 GHz (2.2 GHz for Vista) or faster, AMD Athlon 2800+ (3200+ for Vista) or faster. ** Supported chipsets: NVIDIA GeForce 6800 GT or greater; ATI Radeon 9800 Pro (Radeon X800 Pro for Vista) or greater. Laptop versions of these chipsets may work but are not supported. Integrated chipsets are not supported. Updates to your video and sound card drivers may be required.

OLD MINIMUM REQUIREMENTS Intel Pentium 4 @ 2.8 GHz or AMD equivalent 1GB RAM nVidia GeForce 6800GT/256 or ATI Radeon 9800 Pro/256 Microsoft Windows DirectX 9.0c compatible sound card HD free space 16GB Source: EA Store

UPDATE: someone has deleted system requirements on EA Store website We don't know if they are now confirmed

Crysis Beta System Requirements

The following was flagged as the minimume requirements for the beta only. These will change for the demo and release.

* Windows XP. This Betatest can be played on Vista but Vista is not officially supported.
* Intel P4 3.2 GHz/AMD Athlon 3200+ or higher
* 1.5 GB RAM
* 8X or faster DVD-ROM drive
* 4 GB or more of free hard drive space
* DirectX 9.0c, NVIDIA 7... series/ATI X... series or higher video card
* DirectX 9.0c compatible sound card
* Multiplayer: 2 to 32 players, network or Internet connection required (Cable, DSL, or faster connection)

Source: EA Customer Support solutions FAQ