hi guys,
i recently bought amd fx 4300..then i tried to overclock..
at first it was ok..but now..the speed becoming different between the 4 cores

Core0 @ 4274.3 MHz (19.0x multiplier)
Core1 @ 4274.3 MHz (19.0x multiplier)
Core2 @ 1575.4 MHz (7.0x multiplier)
Core3 @ 1575.4 MHz (7.0x multiplier)

why does this have different? it is supposed to be same clock for every cores..isnt it? if i am not wrong..
plus the cache drops from

L1 @ 14000KB to 96KB
L2 @ 8000KB to 2000KB
L3 @ 8000KB to 4000KB

please help..i need clarifications..

thanks in future!