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Unlocking the Sapphire X800GTO - 12 vs. 16 Pipe Adventure

By: Shawn Baker | AMD Radeon GPU in Video Cards | Posted: Oct 20, 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.


The Sapphire X800GTO Limited Edition didn't seem to want to overclock as much when we unlocked the extra pipelines.


While we were able to still achieve the same impressive memory speed of 590MHz (1180MHz DDR) from the stock 490MHz, we did fall short on the core overclock which only hit 482MHz which is down from the 516MHz we got when the card was unmodded.


This can only be expected though as extra strain is being placed on the core which wasn't guaranteed to do 16 pipes in the first place. Nevertheless, we still see a good overclock of 82MHz on the core over the default speed.



While the overclock isn't as big we can see that we are almost getting 6000 points in 3DMark05 in a default run.



The larger overclock on the 12 pipe version brings the performance up to the default speed of the 16 but once we overclock that we get more speed again.



As always we hit a CPU limitation in Far Cry.


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