Originally posted by gster123 The only quads you can get with hyper threading are the i7's I think, and you cant get them on a dual motherboard as far as I know. I know you can get Xeons with hyper-threading on a dual motherboard... I guess I was just wondering if running maya (apart from rendering) could take advantage of multiple cores and/or CPUs to increase the speed and poly # limits of the viewport for example. And on a separate issue if multi-core provided a significant speed-up for rendering. Thanks, Stwert