Amazon.com: Dell Latitude E6520 15.6" LED Notebook - Intel Core i5 i5-2520M 2.50 GHz (469-1155) : Electronics
ThinkPad Laptop T Series Intel Core i7 2670QM (2.20GHz) 4GB Memory 500GB HDD NVIDIA NVS 4200M + Intel HD Graphics 3000 15.6" Windows 7 Professional 64-Bit T520 (42406MU) - Newegg.ca
Performance comparison between ThinkPad X230 with Intel HD4000 and ThinkPad T520 with NVidia NVS 4200M – Ioannis Karagiorgos blog
NVIDIA NVS 5200M vs Intel HD Graphics 5000
Performance comparison between ThinkPad W701 with NVidia Quadro 2800M, ThinkPad X230 with Intel HD4000 and ThinkPad T520 with NVidia NVS 4200M – Ioannis Karagiorgos blog
Dell Latitude E6420 Intel Core i5-2430M 4GB 1TB HDD Windows XP NVidia NVS 4200M | eBay
ThinkPad Laptop T Series Intel Core i5 2520M (2.50GHz) 4GB Memory 500GB HDD NVIDIA NVS 4200M + Intel HD Graphics 3000 14.0" Windows 7 Professional 64-bit T420 (41786VU) - Newegg.ca
Dell Latitude E6420 Intel Core i7-2640M 4GB 500GB Windows XP NVidia NVS 4200M | eBay
What is the equivalent of Intel HD 4000 in NVIDIA (in GB)? What is the difference between the two? - Quora