Why Crossfire Not Runing like other games smooth !? .. ( As for low requirments )
And Cf Become more bigger and Bigger .. But There are Some Games Much bigger than Cf and runing smooth No Problem in Loading , Fps etc...
The anti-hack system is about 20-35% of your CPU right there; constantly checking for signatures, strings, memory patterns, etc. in ALL OF YOUR OTHER PROCESSES. Also, CF prints of log of all open processes and DLLs and it sends it to them sometimes.
It also takes processor to protect the memory of Cross Fire and sometimes it will scramble the memory, causing lag.
Other than that: CrossFire doesn't need a supercomputer to run. I can run it on a Windows 7 32-bit 1 GB platform with barely a graphics card with the highest settings. I think any computer now-a-days could run Cross Fire.