Even though AMD hasn't officially launched its Radeon HD 5770 yet, the cards have made their way onto e-tailers such as Newegg. Essentially, Newegg has broken the NDA on the card, which is suppose to lift quite soon.
The card is a follow-up to the previously--and recently--launched Radeon HD 5870. Our own Chris Angelini benched the beast a few days ago and found it to not only be a top runner, but also hand's down the fastest single GPU solution you can buy today.
The link, here, may very well go offline any minute. But we're providing a screenshot here just in case.
Thanks to Gunny for the tip!
As for the "unofficial" specification of the Radeon HD 5770? They are, according to Newegg:
|GPU||Radeon HD 5770|
|Stream Processors||800 Stream Processing Units|
|Memory Clock||1200MHz (4.8Gbps)|