Why my AMD A8-4500M proc, only run max 2.3 GHz instead of its max speed: 2.8 GHz??

Koddok

Honorable
May 26, 2013
2
0
10,510
Once, I tried to used the AMD Overdrive,
for first used, the app showed my proc. in 2.8 GHz max, but in last few usage, I found it can't maximize into 2.8. it's unchanged more than 2.3 GHz...
Help me..

Sorry about my English..