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AMD Radeon HD 7970M be launched this April 24
April 22, 2012
AMD Radeon HD 7970M be launched this April 24 As systems have started to appear based on GeForce 600M series (GTX 675m, 660m and 650M) video cards, that escort Ivy Bridge notebooks, AMD also means to be present in the market for notebooks with a discrete GPU that offers high-end technology, this is how they look at the Radeon HD 7970M revealed for months by Dell, Alienware and it seems that finally its debuts this April 24 is within a few portable manufacturers.
According to the sources say the Radeon HD 7970M (“Thames”) is based on the architecture GCN “Graphics Core Next”, but not in the series Radeon HD 7900 desktop version rather be based on the Radeon HD 7870 (Pitcairn XT). On the other hand, the Radeon HD 7800M (Lombok) are based on the Radeon HD 7700 series (Green Cape).
According to data published on the Dell site, the Radeon HD 7970M will have a total of 20 CU (Compute Units) with a total of 1280 stream processors, the GPU will operate at 850MHz and GDDR5 memory and 256-bit will do at 4800 MHz effective (1200 MHz DDR), reaching a bandwidth of 153.6 GB / s.
For those interested, 7970M will be 50-60% faster than the 580M and shares an identical layout to the 6970/6990M.
"It looks like HD 7970M will be around 45% faster than the HD 6990M on average, or about 25% faster than a single GTX 580M"
Source: anandtech.com link below
AMD Launches Radeon 7700M, 7800M, and 7900M Mobile GPUs
http://www.anandtech.com/show/5778/amd-launches-radeon-7700m-7800m-and-7900m-mobile-gpus