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Refurbished: MSI CX61 2PC-499US Gaming Laptop Intel Core i5-4200M 2.5 GHz 15.6" Windows 8.1 64-Bit - Newegg.com
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Which graphics card will give better CUDA performance: 2GB NVidia GeForce 820M or 2GB NVidia GeForce 840M? - Quora
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