Amazon.in: Buy HP 15-R033TX 15.6-inch Laptop (Core i3 4005U/4GB/500GB/DOS/Nvidia GeForce GT 820M 2GB DDR3 Graphics/Without Laptop Bag), Black Online at Low Prices in India | HP Reviews & Ratings
Geforce 820M is Probably the First Maxwell Mobility Graphics Chip - Nvidia Silently Updates Specs Chart
Solved: Issue installing NVIDIA GeForce 820M drivers for Windows 7 6... - HP Support Community - 4149372
GeForce GT 540M vs GeForce 820M
Geforce GT 9600 512MB vs GT 820M GTA V Benchmark - YouTube