Well I am not really vermilier with SiSoftware Sandra. But when googling "SiSoftware Sandra gpu readings" It keeps correcting me to CPU.
So I suspect that the 76mhz reading u are getting is for your CPU rather than your GPU. when using GPUz it usualy gives you the correct speeds so i would say that the speeds on the image u provided is correct.
So I suspect that the 76mhz reading u are getting is for your CPU rather than your GPU. when using GPUz it usualy gives you the correct speeds so i would say that the speeds on the image u provided is correct.