Board Thread:Questions and Answers/@comment-87.217.134.18-20121204122732/@comment-5795149-20121207085206

You may be bottlenecked by your CPU. This game is just as intensive on the CPU as the graphics card, and your issue is definitly more geared towards a CPU issue rather than graphics card or RAM. Not sure how much 32 v 64 changes things. You may want to check out unparking parts of your CPU if that is an option. Here is the link to unpark.