Geforce 8800 Ultra is just an overclocked GTX
 

The GeForce 8800 Ultra comes with 768MB of GDDR-3 memory clocked at very aggressive 1.175 GHz in DDR mode, or 2.35 GHz. The bandwidth has now grown to surpass any upcoming competition, regardless of the width of the memory bus itself. Nvidia will have around 112GB/s on their disposal, tucking in nicely with GPU clocked at 675 MHz.

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