Amazon.com: SAPLOS Radeon HD 7670 Computer Graphics Card, 2GB, GDDR3, 128 Bit, VGA HDMI DVI-D, Entry Level GPU, Video Card for PC, PCI Express x 16, 60W Low Power, Single Fan Air
Radeon HD 7640G + HD 7670M Dual Can Run PC Game System Requirements
Ubuntu: AMD Radeon HD 7640G/7670M Dual GPU NOT WORKING in UBUNTU 13.04 (2 Solutions!!) - YouTube
Game on laptops (Mortal Kombat X)
Need Help: AMD 7640G + AMD 7670m Problem | Overclock.net