Weird, I can run every game maxed at 40+FPS on my 6870, but GTA IV dies when I set it to higher view distance, vehicle density, etc. Any reason why? Some say you need to OC your CPU, but in my current state, I only have the stock cooler for my CPU. Shouldn't the stock i5 be enough?
I really was hoping I could use Icenhancer, but it's just stuttering either way.