Crysis:
Minimum Requirements
CPU: Athlon 64 3000+/Intel 2.8ghz
Graphics: Nvidia 6600/X800GTO (SM 2.0)
RAM: 768Mb/1Gb on Windows Vista
HDD: 6GB
Internet: 256k+
Optical Drive: DVD
Software: DX9.0c with Windows XPRecommended Requirements
CPU: Dual-core CPU (Athlon X2/Pentium D)
Graphics: Nvidia 7800GTX/ATI X1800XT (SM 3.0) or DX10 equivalent
RAM: 1.5Gb
HDD: 6GB
Internet: 512k+ (128k+ upstream)
Optical Drive: DVD
Software: DX10 with Windows Vista
Unreal Tournament 3:
Minimum System Requirements
Windows XP SP2 or Windows Vista
2.0+ GHZ Single Core Processor
512 MB of System RAM
NVIDIA 6200+ or ATI Radeon 9600+ Video Card
8 GB of Free Hard Drive SpaceRecommended System Requirements
2.4+ GHZ Dual Core Processor
1 GB of System RAM
NVIDIA 7800GTX+ or ATI x1300+ Video Card
8 GB of Free Hard Drive Space