Screenshots of a PDF document outlining the upcoming Radeon HD 6800 series has now leaked online, originating from IT.com.cn, posted on Chiphell. Though the document is in Simplified Chinese, many of the revealing details – such as nomenclature and trademarked features – are in English. As expected, the Radeon HD 6870 features GDDR5 memory and PCI Express 2.1 x16 support, with DirectX11. In addition to Eyefinity, something called “EyeSpeed” has been added. UVD 3 is mentioned, though the details are in Chinese. Not surprisingly, AMD is finally introducing its alternative to NVIDIA’s 3D Vision – AMD HD3D. The crucial information comes later – Barts XT is AMD Radeon HD 6870 and Barts Pro is AMD Radeon HD 6850.

39a AMD Radeon HD 6800 Document Leaked

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Screenshots of a PDF document outlining the upcoming Radeon HD 6800
series has now leaked online, originating from IT.com.cn, posted on
Chiphell. Though the document is in Simplified Chinese, many of the
revealing details – such as nomenclature and trademarked features – are
in English. As expected, the Radeon HD 6870 features GDDR5 memory and
PCI Express 2.1 x16 support, with DirectX11. In addition to Eyefinity,
something called “EyeSpeed” has been added. UVD 3 is mentioned, though
the details are in Chinese. Not surprisingly, AMD is finally introducing
its alternative to NVIDIA’s 3D Vision – AMD HD3D. The crucial
information comes later – Barts XT is AMD Radeon HD 6870 and Barts Pro
is AMD Radeon HD 6850.

41596155 AMD Radeon HD 6800 Document Leaked

The rumour mill has long believed that Barts is the mainstream Juniper replacement, with Cayman being the performance Cypress replacement, with dual-Cayman forming the enthusiast Antilles product. This led to a logical conclusion that Barts will be HD6700, Cayman HD 6800 and Antilles HD 6900. The rumour of Barts being HD 6800 instead of HD 6700 has been around for a while, and was initially dismissed by some enthusiasts. However, assuming this PDF is legitimate and if Barts is indeed HD 6800, how do Cayman and Antilles fit in? Sure, Cayman can be HD 6950/70, but what about Antilles? The slide also mentions that according to AMD nomenclature, valid suffices are “30″, “50″ and “70″. So, HD6990 is unlikely. Besides this does not factor in the rumoured Antilles Pro. And if Barts is HD6800, does this mean it will end up slower than or barely faster than HD5800?

Obviously, there’s a lot of confusion and discrepancy between the various rumours, and lot of it has to do with perceived nomenclature.

Additionally, the Chiphell posters are speculating prices for HD 6800 being less than 2000 CNY, which is less than US$300.

Reference: Chiphell