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AMD Radeon HD 7000M / NVIDIA GeForce 600M mainstream GPUs announced

AMD and NVIDIA have both introduced their first next-gen products – mainstream GPUs for the Radeon HD 7000M and GeForce 600M. However, they are next-gen only in branding – they continue to be 40nm GPUs based on HD 6000M and GeForce 500M, with the true next-gen reserved for higher end products. 

The AMD refreshes include Radeon HD 7600M, 7500M and 7400M. The HD 7400M series is based on the same Seymour XT chip powering HD 6400M. The same applies for HD 7600M, based on Whistler, which powered HD 6600M/6700M. However, in both cases, the HD 7000M parts should end up faster due to higher clocks. HD 7600M should end up performing more like HD 6700M. HD 7500M is now based on 480SP Whistler, over 400SP Capilano for the HD 6500M, and also introducing GDDR5 memory albeit with a 64-bit memory bus (net effect should be similar memory bandwidth). However, some SKUs in the HD 7500M series will continue to utilize DDR3. 

NVIDIA's new products include GeForce GT 635M, GT 630M and 610M. There are no changes whatsoever and are direct rebrands of GeForce 500M GPUs. The GT 635M replaces all the variants of GT 555M, GT 540M is rebranded as GT 630M and GeForce 520MX is now GeForce 610M. 

For everyone expecting true next-gen 28nm GPUs with new architectures, this will be a disappointment. However, due to greater risk and higher costs with a new and risky process like TSMC's 28nm, both AMD and NVIDIA have opted to play it safe for the entry-level and mainstream segments. The true next-gen will most likely find its way as HD 7700M, 7800M and 7900M, as well as GT 635M to GTX 690M, in 2012. 

Source: AnandTech

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