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Old 05-04-2009, 01:08 PM   #1
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Default ATI Radeon HD 4770 In CrossFire Review

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The day before the 4770 launched, we received a second card to verify that the fan speed issue we originally experienced was fixed. We didn’t have time to run a set of CrossFire numbers, but your feedback in the comments section made it clear that enthusiasts wanted to see how a pair of these cards stacked up to some of the higher-priced options out there. Fair enough. We were actually pretty curious, too.

At $109 each, a pair of Radeon HD 4770s costs roughly $220. There’s no exact equivalent single-card solution at that same price point right now. A Radeon HD 4870 1 GB runs right around $190 and a GeForce GTX 260 Core 216 can be found as low as $180. Naturally, we’d need to see a pair of Radeon HD 4770s beat both of those less expensive options.

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Old 05-05-2009, 08:46 AM   #2
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Default Sapphire Radeon HD 4770 512MB and CrossFire performance

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"At idle, our system when coupled with the Sapphire Radeon HD 4770 uses around 135 Watts of power, which increases to 170 Watts in a CrossFire configuration, almost identical to the power consumption of a single Radeon HD 4890. During video playback the Radeon HD 4890 actually uses slightly less power than our CrossFire setup, with a single Radeon HD 4770 board consuming a tad under 150 Watts.

Finally, rendering an intensive 3D rendering workload, a single Radeon HD 4770 in league with our Core i7 system uses 185 Watts, which rises to 258 Watts in a CrossFire configuration, less than the Radeon HD 4890's 275 Watt consumption under load."
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