Here you can download GPU-Z, GPU-Z is a graphics subsystem information and diagnostic utility utility designed to give you all information about your video card and GPU.
GPU-Z is a PC graphics diagnostic and monitoring utility, which gives you up to date information of the GPUs installed in your system, and lets you monitor their clock speeds, temperatures, fan-speeds, voltages, dedicated memory usage, among other things.
The change-log 0.8.9
Added AMD Polaris support
Added support for GeForce GTX 1070
Added support for reading overclock on GeForce GTX 1070/1080
Added BIOS reading for GeForce GTX 1070/1080
Added support for NVIDIA Quadro M2000
Added support for AMD E8860
Fixed memory monitoring sometimes resetting beyond 4 GB usage
Fixed double default memory clock on GT220/240
Fixed double memory clock on GTxxx cards with GDDR5X
Fixed typo in BIOS saving dialog
Fixed no GPU selected in dropdown in some rare cases