NVIDIA GTX 470M highlights rollout of 400M mobile GPU series | Engadget
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NVIDIA Announces Entire Line of DX11 Fermi-Based Mobile GPUs | HotHardware
GeForce GT 420M Can Run PC Game System Requirements
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NVIDIA GeForce GT 420M vs NVIDIA GeForce GT 445M
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Gaming Performance Should Be Better - Toshiba Satellite M645: The Steady March of Progress
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