Without any hardware on hand we can’t specifically test this, but we suspect AMD may have introduced a new PowerPlay state (or edited an existing one) to further ramp up Juniper’s core clocks when playing MVC content, as this would be the most practical way to increase the max bitrate UVD2.2 can handle, if indeed it couldn’t handle MVC bitrates at the usual core clocks.
#Amd radeon hd 6700 crossfire series
UVD2.2 is fast enough to process MVC, so now the 6700 series can decode Blu-Ray 3D.
These changes have been backported to Juniper to some extent. As you may recall, one of the big differences for the 6000 series over the 5000 series is that the 6000 series got HDMI 1.4a support, along with a UVD3 video decoder that was capable of decoding the additional resolutions and bitrates Blu-Ray 3D’s MVC(H.264) profiles require. However to be fair to AMD, they have at least made some effort to improve on the 6700 series over the 5700 series through the BIOS. The only thing different between a 5700 series card and its 6700 series counterpart is the sticker on the card, the BIOS, and quite possibly the price. It’s the same Juniper GPU on the same boards with the same clocks, the same power requirements, and the same performance. There’s really no way to sugarcoat it, and even AMD isn’t really trying. Say hello to the Radeon HD 6770 and Radeon HD 6750. But here we are, out with the old and in with the old: the 57 are getting rebadged in retail. It was perhaps a foolish hope that these shenanigans would remain in the OEM market, as so far AMD has continued to keep the 57 even after the rest of Northern Islands has launched. More RAM, a Sandy Bridge CPU, a SSD – their 2011 computers need to look better than their 2010 computers, as they certainly don’t want to be seen as selling last year’s model for anything less than a steep discount. The rationale for OEM space is rather straightforward: OEMs want/need something new to sell. While we’ve only recently seen the rest of the Northern Islands lineup launch in the retail space, in the OEM space the last-generation Juniper GPU has been filling out AMD’s lineup between Turks (6500/6600) and Barts (6800) based video cards. We are of course referring to the Radeon HD 6770 and Radeon HD 6750, AMD’s Juniper-powered 5770 & 5750 rebadges for OEMs. We haven’t talked about it beyond a passing comment, but AMD still has some Radeon 6000 series cards that are OEM-only.
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