The Radeon HD 4890 rendered an additional 7fps, while the GeForce GTX 275 managed to produce 8fps more.
More detail on how these overclocks affected actual performance output is below.īoth graphics cards received an 18% performance boost at 2560x1600 in UT3 thanks to the overclock. Using an aftermarket cooler will likely bring some extra OC headroom but perhaps more importantly, improved temperature levels and less noise (see next page for more). The GeForce GTX 275 did not fair too bad either with an extra 109MHz squeezed out of the core (741MHz) and a final 1278MHz for the memory.īoth the Radeon and GeForce cards were overclocked using the stock coolers which in these Asus products abide by the reference models from each GPU manufacturer. Our final stable overclock of 970MHz for the core and 1165MHz for the memory is impressive enough, just slightly shy of the 1GHz core clock speed. We had already anticipated the Radeon HD 4890 would be a great overclocker from numerous early reports online.
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