Publishers Minimum Requirement
now that's a decent requirements for a game like prototype.
SOURCE
http://www.yougamers.com/gameometer/10342/
Processor: AMD Athlon 64 X2 3800+ / Intel Core 2 Duo E4700
Display Card!: ATI Radeon X1800 Series 256MB / NVIDIA GeForce 7800 Series 256MB
Memory: 1 Gb / 2 GB
Free Disk Space: 8GB
Operating System: Windows XP SP3 / Windows Vista SP2
now that's a decent requirements for a game like prototype.
SOURCE
http://www.yougamers.com/gameometer/10342/