I found out why Skyrim stutters?

[Rennn]

Skyrim always stutters a little for me, but this past week it's been terrible. Terrible, as in I'll try to turn around in Whiterun and I'll actually finish the turn 15 seconds later. The stutter sends me from a perfect 60 fps to less than 1. More like 1 frame every 3 seconds. It happens every time I turn around in Skyrim, but it's worse in towns. I need to run 40 fps above my cap just to avoid the worst of the stutter. It's unbearable. My specs should be able to run Skyrim on very high settings with 60fps, seeing as people with inferior rigs max Skyrim and run Fraps at the same time on Youtube, without stutter.

 

I've tried two installs, and nothing fixes it. Today, after it got really bad while in Whiterun, I tabbed out of Skyrim angrily and checked my performance in the task manager. I realized that while playing Skyrim, my CPU has been idling at regular intervals at about 1% speed, and then once every few seconds it shoots up to 100% use and falls back down. This is definitely the problem. My load times take forever (10 minutes every time I load a building), and I think this is probably the cause for that as well, since compared to similar rigs I should be loading in 3-4 seconds, which is about how long it takes my friend with a similar PC to load.

 

Now that the problem has been identified, how do I fix it? It's an AMD Phenom II 995 Quad-Core at 3.2Ghz, btw, and the rest of my specs are in my sig as well. It runs Skyrim at 40c, and never passes 50c. My internal temperature is at about 55c when I game.