techPowerUp - (Freeware)
GPU-Z is a software that provides the user important information about the graphics card.
GPU-Z is a small but powerful application that offers essential information for all of the graphics card version GPU, BIOS, frequency, etc.
The simple and easy to use interface displays a window with information such as the ID, shaders, the type of memory bandwidth, the version of the driver or the frequency of the GPU.
GPU-Z application works with nVidia or ATI card types.
* Added preliminary support for AMD Radeon R7 240, R7 250, R7 260X, R9 270, R9 270X, R9 290, R9 290X
* Added support for AMD Radeon HD 7600G, HD 8250, HD 8330, HD 8470G, HD 8570, HD 8570G, E6460
* Added support for AMD FirePro W7000, W600
* Added support for Intel B43 variant
* Added support for NVIDIA GeForce GT 625, GT 645, GT 755M, GT 745M, GTX 760M, GTX 765M, GTX 770M, Quadro K1100M, K5100M
* Fixed release date for GeForce GT 750M
* Fixed die size for GF117
* Added voltage monitoring support for NVIDIA cards with NCP4206 voltage controller
* Added voltage monitoring support for GeForce GTX 780 with CHL8318
* Fixed crash on AMD HD 7790 while playing video
* Fixed rare issue with fan RPM monitoring when no fan present
* Fixed upgrade installer not working properly when GPU-Z is running
* Sensor history will now be cleared on resume from standby/hibernate