Quote Originally Posted by Shintai View Post
Please explain to me how its design and architecture differences from the other HD4000 series. And no, being 40nm aint that.
there are no 55nm HD 4000 GPU with 640 SPs, 32 TMUs, 16 ROPs and 128bit mem BUS!

so you're wrong! RV740 is NOT shrink of any other GPU from AMD!