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[Techpowerup.com] Sapphire Displays Radeon HD 7770 Ultimate Graphics Card - i4memory.com - different look at memory
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Old 08-06-2012, 10:12 AM   #1
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[Techpowerup.com] Sapphire Displays Radeon HD 7770 Ultimate Graphics Card

In February, Sapphire launched its HD 7750 Ultimate fan-less, silent graphics card. At Computex, the AMD Radeon major unveiled the model of this kind, based on the faster Radeon HD 7770 GPU. Called the Sapphire HD 7770 Ultimate, the card relies on a much larger aluminum fin heatsink than the one featured on the HD 7750 Ultimate, to cool the GPU. The heatsink makes the card about as long as an HD 7900 series model, although its PCB isn't as long. This allows a large portion of the heatsink to passively (by convection) vent its hot air above, without being interrupted by the PCB.

Despite its large heatsink, the Sapphire HD 7770 Ultimate does not need more than two expansion card slots in your system. Sapphire did not compromise on the clock speeds, although the card sticks to AMD reference speeds of 1000 MHz core, 1125 MHz (4.50 GHz effective) memory. It holds 1 GB of GDDR5 memory across a 128-bit wide memory interface. Based on the 28 nm "Cape Verde" silicon, the HD 7770 packs 640 Graphics CoreNext stream processors. Sapphire will launch the HD 7770 Ultimate a little later this year.



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