Since the GTX 670 silicon isn't hobbled at all in terms of memory interface width or ROP count, the AMP! matches its bigger brother in terms of pixel fill rate (which corresponds to multisampled antialiasing power) and memory throughput, surpassing the stock GTX 680. Have a look at the numbers.Īssuming the GPU typically operates at its Boost clock speed-and that seems to be a solid assumption to make with GK104 cards-then Zotac's GTX 670 AMP! nearly matches the stock GTX 680 in texture filtering and shader flops. Yes, the GK104 graphics processor in the GTX 670 has had a mini-lobotomy-one of its eight SMX units disabled-but Zotac more than makes up for it with aggressive core and memory clocks. Yep, this is a different card: Zotac's GTX 670 AMP!īelieve it or not, Zotac's GeForce GTX 670 AMP! is also an upgrade over the stock GeForce GTX 680.
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