Chaintech 8800GT Overclocking

[saffakanera]

Hey guys, I have a Chaintech 8800GT here, what overclocking settings * using Rivatuner * would put it on par with a XFX 8800GT 512 Alpha Dog edition?

atm im looking at (Chaintech):

Core Clock: 600
Shader Clock: 1500
Memory Clock: 900

Thanks in advance!