Diamond has announced the fastest Radeon HD 4870 graphics card so far, and it has potential to go much faster. Radeon HD 4870 XOC Unlocked Black Edition has a core frequency of 800MHz and memory chips operating at 4400MHz (4x1100). Diamond has another ace up its sleeve though as the BIOS engineers have been able to unlock settings up to 950MHz core clock and 4800MHz memory clock. This should produce quite some heat from the 55nm GPU with its 800 shader processors.
No worries though, Diamond has teamed up with water cooling manufacturer Danger Den and fitted the 4870 XOC with more than capable water blocks. The cards will be sold exclusively through premier system builder SmoothCreations, but should appear at e-tailers in a not too distant future.
"The Diamond Radeon HD 4870 XOC Black Edition was clocked to kick some ass. We didn’t just want a fast card out in the market, we wanted the fastest card that could kick the living daylights and bust some performance records," say Mario Gastelum, Director of Product Development & Engineering. "We wanted a card that kicked the competitions teeth into the curb, and that’s exactly what our engineers accomplished. The firmware was custom designed to enable end users to go beyond the normal over clocked speeds and allow them to push their cards for higher performance via the catalyst control center."
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Diamond Radeon HD 4870 XOC Unlocked Black Edition clocks up to 950/4800MHz
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