Is my MB killing me?

[Goblingee]

Hi Guys,

I recently upgraded most of my system, I got a cpu, mb, ram bundle.

FX-6350
8gb ddr3 Black Mamba 1600mhz
Gigabyte GA-78LMT-USB3
Radeon 7870

I have been having massive latency issues on Planetside 2 and it doesn't seem to be the network that is causing the issue as my ping in bellow 40ms but after playing for 20-30 mins the screen is lagging really badly with people skipping about all over the place and flying through the air and making the game unplayable.

I have opened my ports for the game, even tried disabling my FW and setting up as a nat server on the router but nothing seems to make any difference.

I have also tried playing with AMD overdrive both on and off, I have tried allocating cores to PS2 only.

I am thinking now that the most likely hardware issue would probably be with the MB so was looking at getting the ASRock 970DE3/U3S3

The processor runs at 3.9ghz and with overdrive boosts to 4.5ghz so is more than powerful enough.

The ram should not be an issue but will be upgraded in the future and the GPU should run on high-ultra with no issues. (I still get the issue on very low)

When the game is running smoothly I am getting 40-50fps on high but then after 20-30 mins it drops right down to virtually nothing, also when I hit alt+f to see the fr it is showing cpu rather than gpu, does this mean that the game is not utilizing my gpu?

I am at a loss really as to what to do about it.

Any ideas?

Thanks guys (and or girls).