Better Graphics card, worst fps?

Hello. Recently I bought a HD 7750 but decided it was too slow. Then I went out and bought a Antec 500W psu and an HD 7770.

After installing the 7770, the fan speed idles around 74C and the load of the GPU is about 99 idle. Trying to play games, I get significantly less fps than the 7750. Anyone know why?

my apu is A8 3850
3 answers Last reply Best Answer
More about graphics card worst fps
  1. Did you install the latest drivers?
  2. 74c is way too hot for idle temps.
  3. Best answer
    Well when I used amd auto detect they said it was already up to date

    EDIT: I FIXED THE PROBLEM. I uninstalled all my drivers and put in the CD and WHUA LA.

    35C idle temp and 0% load
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