I recently got a laptop from my relatives. it have i7 , 6gb ram and intel hd 4000 . In the laptop sticker it have Nvidia graphics logo but it doesn't show
GTA 5 gamplay, first mission with fps counter on GT 640M - YouTube
Nvidia GeForce GT 640M, 650M, and GTX 660M debut, bring 28nm Kepler to mobile GPUs - The Verge
Razer Edge Pro (2013) i7-3517U, 256 GB & GeForce GT 640M LE ~ READ DESCRIPTION 879862006808 | eBay
Apple iMac i5 21.5" Desktop w/ NVIDIA GeForce GT 640M for $300 - MD093LL/A
GT640M Bench - It Still Worth it? - YouTube
NVIDIA GeForce GT 640M: Kepler Goes Mobile | HotHardware
Nvidia GeForce GT 640M Review: Kepler Arrives For Mobile - PC Perspective
New Acer Aspire Timeline M3 Packs GeForce GT 640M, Too | TechPowerUp