Tuesday, July 12, 2011

AMD Launches Radeon 6990M

After NVIDIA GTX 580M and is AMD's turn to propose a GPU for portable high-end Radeon HD 6990M chip. This new chip is in fact (simplifying) a Radeon HD 6870 slow: moving from 900 / 2 100 MHz on the desktop version to 715 / 1 800 MHz here. The chip embeds 1120 calculation units (224 vec5) against 960 (192) on the old high-end HD 6970M.

The texturing power also increases, with 56 units against 48, and the frequency increases from 680 MHz to 715 MHz. The rest of the GDDR5 memory, but AMD recommends 2 GB instead of 1 GB on the old range. The chip, about 20% faster than the 6970M is expected to arrive quickly at Alienware and Clevo.

For performance enthusiasts, some models will even integrate two GPUs in CrossFire.

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