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

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

"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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