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With 16 pixel pipelines and six vertex shader units, the X850 XT PE is an exact match in specifications to its predecessor, the X800 XT PE. All that's different is the slightly raised clock speed: 540/590 MHz versus 520/560 MHz. Externally, the differences are much clearer.
While ATI has long criticized the dual-slot cooling solutions that rival NVIDIA has used in its top models for some time, it has fitted its X850 XT PE with just this type of cooler. Without it, the huge level of heat that builds up in the 130-nm Low-K R480 chips cannot be sufficiently ventilated at these clock speeds. Heat from the graphics processor and memory module is transferred to copper cooling fins. A large fan directs the air through a transparent plastic housing and forces it out of the case through the slot panel.
The new Radeon X850 models (PCIe):
Radeon X850 XT Platinum Edition (R480): 16 Pipes, 540 MHz Core, 1.18 GHz Memory, $549
Radeon X850 XT (R480): 16 Pipes, 520 MHz Core, 1.08 GHz Memory, $499
Radeon X850 Pro (R480): 12 Pipes, 520 MHz Core, 1.08 GHz Memory, $399
While ATI has long criticized the dual-slot cooling solutions that rival NVIDIA has used in its top models for some time, it has fitted its X850 XT PE with just this type of cooler. Without it, the huge level of heat that builds up in the 130-nm Low-K R480 chips cannot be sufficiently ventilated at these clock speeds. Heat from the graphics processor and memory module is transferred to copper cooling fins. A large fan directs the air through a transparent plastic housing and forces it out of the case through the slot panel.
The new Radeon X850 models (PCIe):
Radeon X850 XT Platinum Edition (R480): 16 Pipes, 540 MHz Core, 1.18 GHz Memory, $549
Radeon X850 XT (R480): 16 Pipes, 520 MHz Core, 1.08 GHz Memory, $499
Radeon X850 Pro (R480): 12 Pipes, 520 MHz Core, 1.08 GHz Memory, $399
Whats funny is that card doesn't cost them much more to make than others, but because some folks always have to have the latest and greatest they can rape people on the price for a while before dropping it down....
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