GPU-Z is a Free and lightweight portable software utility that was created to list all of the information regarding your Video Card and Graphical Processing Unit (GPU). With GPU-Z, a user can retrieve important video card information such as; device ID, name, subvendor name, GPU and Memory clock speed, driver version, BIOS version, bus interface, temp, fan speed and much more. Best of all, this free video card software tool can be stored and run entirely from a USB flash drive.
GPU-Z - Video Card Information Utility
Authors Website: techpowerup.com/gpuz
Download: You can get GPU-Z HERE