Nvidia unveils GeForce GTX 680M, high-end Kepler for laptops

Techspot: Nvidia has finally brought its next-generation Kepler architecture to the top of its notebook GPU lineup, with the launch of the Nvidia GeForce GTX 680M. The new chip shares some similarities with the desktop GTX 670, offering 1,344 CUDA cores and a 256-bit memory bus. Clock speeds will vary by system design, but maximum core frequency cited by Nvidia is 720MHz, while memory bandwidth is rated at 115GB/s.

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