dexcraft25 :
I downloaded Nvidia Inspector to see If I could spot any problems causing the poor clock speed, however with my current knowledge I don't see anything that jumps out at me.
You mean GPU clock speed? GPU's will under power themselves when sitting at the desktop idling. Download GPU-Z and click the question to start a render test, under the sensors tab your GPU clock should boost to 1300+ depending on what card you have.