comradegarry: Okay so does dosbox have to do with the GPU any?
F4LL0UT: I'm no expert but I'm pretty sure that the performance is almost fully determined by the CPU. As far as I can tell the GPU only comes into play when the final image is actually drawn to the screen which to my understanding is a rather trivial task (these days even including scaling). The exception would be Glide games run through the Glide wrapper but I think even those should work just fine on an integrated GPU these days, at least at a lower resolution without AA or something.
Feel free to correct me if I'm wrong, though, people.