AMD Quietly Rolls Out Radeon HD 7670 Graphics Card to OEMs
The HD 7670 boasts an 800MHz engine clock, 512MB or 1GB of GDDR5 memory clocked at 1,000MHz on a 128-bit wide bus, 64GB/s of memory bandwidth, 768 GFLOPS Single Precision compute power, 480 Stream Processing Units, 24 Texture Units, 32 Z/Stencil ROP Units, 8 Color ROP Units, an and assortment of technologies like DirectX 11, OpenGL 4.1, Eyefinity support, and so forth.

Is this an AMD Radeon HD 7670 or 6670 graphics card? It's both!
It's basically a Turks-based graphics card that boils down to a rebranded Radeon HD 6670, possibly slightly tweaked with an improved power profile. This isn't uncommon in the graphics industry, though it can sometimes be confusing, at least for hardware junkies like us who dig deep into a product's specifications. In any event, expect to see the 7670 appear in upcoming OEM machines, including HP's recently announced HPE H9 Phoenix gaming PC.