According to http://developer.amd.com/resources/ati-catalyst-pc-vendor-id-1002-li/ the Radeon R9 M280X and the Radeon R9 M385 share the same device ID (6646), but the Radeon R9 M385 has a revision ID of 80.
According to http:// developer. amd.com/ resources/ ati-catalyst- pc-vendor- id-1002- li/ the Radeon R9 M280X and the Radeon R9 M385 share the same device ID (6646), but the Radeon R9 M385 has a revision ID of 80.