Radeon HD 7950 and 7970
AMD - 9 January, graphics card manufacturers finally started to sell AMD HD 7970 products to market. The presence of HD 7970 is a milestone for the world of technology separate graphics card and AMD. HD 7970 graphics card be the first with a 28 nm fabrication process, first to use the PCI Express 3.0 interface, and also the first to adopt technology that DirectX 11.1 will begin to be implemented in Windows 8. As for AMD, the HD 7970 to be their main weapon to seize the throne of the single-GPU graphics cards the fastest previously held by NVIDIA GTX 580.
only three weeks ago, AMD again presents a new family member Southern Island graphics card they named AMD Radeon HD 7950. AMD set the price range for the HD 7950 is $ 449, $ 100 lower than the HD 7970. AMD HD 7950 to position itself to be a strict opponent NVIDIA GTX 580. Can HD 7950 do? Before looking at the overall performance of HD 7950, let’s see what the difference with his brother HD 7950, HD 7970.
AMD Radeon HD 7950 GPU chip using Pro Tahiti which is derived from Tahiti XT GPU chip. Tahiti Pro GPU chips still use as much as 4.13 billion transistors are packed with 28 nm fabrication process.
Not “Pro” GPU chip indicates it has a lower specification than the version of “XT”. GPU chip equipped Pro Tahiti 1792 Stream Processor is divided into 28 Compute Units. In addition to a decrease in the Stream Processor specifications and Compute Units, GPU chip Tahiti Pro Texture Units also decreased to 112 units. However, ROP Units on GPU chip remains the same as Pro Tahiti Tahiti XT as many as 32 pieces.
AMD HD 7950 using the clock specification is lower than the 7970 hD 800 MHz for the GPU clock and 5000 MHz for the memory clock. Capacities and types of memory on the HD 7950 HD 7970 remains the same with the 3GB of GDDR5 memory with a bandwidth of 384-bit.
Unlike the AMD HD 7970 is a power that comes from the intake connector + 8-pin PCIe 6-pin, HD 7950 gets his power from the PCIe connector 2x 6-pin.