New Radeon HD 5770s have single-slot coolers, gobs of DisplayPort

More than ten months after its initial release, AMD's Radeon HD 5700 family is still proving to be popular among graphics card makers. Now that the Juniper GPU has been around for a while, we're starting to see it pop up in some truly unique designs. Yesterday, PowerColor revealed a low-profile, double-wide Radeon HD 5750 destined for home-theater PCs. Then, in the wee hours of the morning, a press release from XFX hit our inbox announcing slimmed down versions of the usually dual-slot Radeon HD 5770.

Naturally, these single-slot cards have a smaller cooler than the duallies. XFX claims its design is "up to 23.5 dB" quieter than competing dual-slot coolers, though. The company also says its cards have 15% more "total heatpipe surface area," than the mini-Batmobile cooler typically found on 5770s. There's no mention of total heatsink surface area, which no doubt favors the double-wides.

Both of XFX's single-slot 5770s run at stock speeds and sport a gig of GDDR5 memory. They're primed for Eyefinity, too. One card has a pair of DVI outputs plus a Mini DisplayPort connector (at least one of the displays in a three-screen Eyefinity config must be connected via DisplayPort), while the second card ditches DVI entirely in favor of five Mini DisplayPort connectors. The latter doesn't appear to be available just yet, but the standard card is already selling online for $180—a good $10-20 more than typical dual-slot designs. Dieting doesn't come cheap, and I suspect you'll have to pay an even higher premium for the so-called 5x card. Multi-monitor aficionados will probably still find it much cheaper than the $500 Radeon HD 5870 Eyefinity 6 Edition, which only has one more DisplayPort output.

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