I got similiar issues. Framerate is very low in VAB and I got framerate drops in flight around Kerbin. Wasn´t the case with 1.0.5. Additionally my CPU is under HEAVY load while playing, temperature is at 60-65 °C, fan is spinning like crazy.
Couldn´t attach it, so here is my dxdiag if you can use it. click
Edit: KSP log. click output_log click Understood you wrong, here are the correct 2 logfiles.