system help plz?

hi i was wondering if this computer could run crysis and unreal tournement 3 on at least medium settings. i dont know much about the system apcept for these specs

Intel core 2 duo proccessor E4500

2.2ghz 800MHZ fsb,

2 MB Cache

3GB RAM

320 GB HDD

ATI Radeon HD 2400 Pro graphics card

thanks.