Yesterday, AMD released its first batch of fully OpenCL-compliant drivers alongside a new beta of its ATI Stream v2.0 developer toolkit. The drivers work with existing Radeon HD 4000- and 5000-series graphics cards, but as the guys at Fudzilla discovered, they also support some still-unreleased products.
Fudzilla writes that in addition to existing Radeon HD 5800 and 5700 series GPUs, the driver files mention two unannounced Radeon HD 5900-series offerings. We peered inside the driver INF files ourselves, and indeed, they include the following lines:
"ATI Radeon HD 5700 Series" = ati2mtag_Evergreen, PCI\VEN_1002&DEV_68B8
"ATI Radeon HD 5700 Series " = ati2mtag_Evergreen, PCI\VEN_1002&DEV_68B9
"ATI Radeon HD 5700 Series " = ati2mtag_Evergreen, PCI\VEN_1002&DEV_68BE
"ATI Radeon HD 5800 Series" = ati2mtag_Evergreen, PCI\VEN_1002&DEV_6898
"ATI Radeon HD 5800 Series " = ati2mtag_Evergreen, PCI\VEN_1002&DEV_6899
"ATI Radeon HD 5900 Series" = ati2mtag_Evergreen, PCI\VEN_1002&DEV_689C
"ATI Radeon HD 5900 Series " = ati2mtag_Evergreen, PCI\VEN_1002&DEV_689D
There are also three Radeon HD 5700 entries, but those could simply account for the 5770 as well as 512MB and 1GB variants of the 5750.
What could the mystery 5900 listings foretell? Fudzilla speculates about a tweaked version of the Cypress GPU, which AMD could unleash in response to Nvidia's future Fermi-derived graphics cards. AMD might also apply that model number to its upcoming Hemlock product, which will pair up two Cypress GPUs on a single card. If AMD sticks with its previous naming tradition—and it has so far—that product would be more likely see the light of day under the Radeon HD 5870 X2 brand name, however.
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