Specifications of
GeForce GT 640M

Developer	Nvidia
Model	GeForce GT 640M
Architecture	Kepler(N13P-GS)
Process, nm	28
Release year	2014
Shaders	384
Core frequency	625
Core frequency (turbo mode)	645
Memory type	DDR3, GDDR5
Memory frequency	1800 - 4000
Memory bus	128
DirectX	11
benchmarks Total performance	6.96
benchmarks 3DMark01	12955.0
benchmarks 3DMark06	10625.5
benchmarks Cinebench R10	5635.0
System device ids	10DE 0FD2 10DE 0FD3 10DE 0FD8
Popular builds	Acer Aspire V3-571G Dell XPS L521X Apple iMac13,1 Samsung 700Z3C/700Z5C Acer Aspire V3-771 Toshiba Satellite P855 Lenovo IdeaPad Z580