8rda3+ Rev 3.3 unstable

[fastbreak]

i recently purchased a 8rda3+ motherboard from newegg and i got a Rev 3.3. I also have the same motherboard that is a rev 2.1. The weird thing is the Rev 2.1 is more stable the the 3.3. I can't even get the same settings for my overclock as i did for the rev 2.1. All the voltages on the Rev 3.3 seem to be more stable but the system is far from stable. All the components are the same used for both rev's so its down to the different Rev's. increasing the Vcore or Vdd does not seem to make it stable either. Any ideas to why i am getting such a bad overclock with the newer Rev? Maybe just a bad board?

The only thing that is different is i used a beta BIOS for the Rev 2.1 and the 2/14/04 for the Rev 3.3 but i doubt that would make sure a difference

*Edit* temps have also increase by about 10 - 12F and i even took the heatsink off and redid the artic silver.