I ran the CPU benchmark again and this time I turned all visual settings (except physics, I left that on "high", "very high" is only available in DX10) and this time both cores were maxed out at some points. The demo lasts only a few seconds before it "re-loads" so the CPU load was lower during that time.
If someone has a quadcore, it might be worth to run it in DX10 and enable "very high" physics. I'm not sure if it happens and it seems silly to me but it's possible that "high" physics detail is optimized for dual-cores and "very high" for quad-core.
Originally Posted by six_storm
Why don't we wait about doing this test until next week when the full version comes out? The demo could be "handicapped" just because . . .
Not a bad idea either.