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Sapphire X800GTO Graphics Cards - Fireblade and Limited

By: Shawn Baker | AMD Radeon GPU in Video Cards | Posted: Oct 19, 2005 4:00 am

Graphics Card Overclocking


Thanks to motherboard and VGA manufactures, overclocking has become such an effortless task, giving literally anyone the chance to overclock their components with very little risk.


When it comes to overclocking graphics card we use and recommend two program - for ATI cards you can't go past ATI Tool and if you're on the other side of the fence and using an nVidia card the Coolbits 2 registry hack is it. Both programs offer an Auto Overclock feature which is what we use.


Both cards are clocked at 400MHz core and 490MHz memory but we did find that the extra cooling on the Fireblade Edition seemed to help. The FE was increased to 581MHz core and 611MHz memory while the LE was increased to only 516MHz on the core and 590MHz on the memory.



The extra bandwidth offered by the Fireblade Edition sees it clearly get ahead of the LE. Both cards offer a very impressive performance increase from their stock speeds.



Doom 3 again takes advantage of the extra speed provided by the FE overclock and sees an increase of almost 17FPS which is almost 20% and the LE also gets a good increase with it tipping over 100FPS.



As always Far Cry sees a performance increase only in the processor overclocking which shows us just how CPU bottlenecked this game is.


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