Not to many big differences. Leadtek uses a newer TV Encoder chip that allows higher resolution TV out, DVI, and fancier cooling. VT is a basic NV ref design, stable and performs admirably. You really wont see much difference in the perf from card to card, some may overclock better than others, but that is just luck of the draw. I have a VT GF3, and it is a really nice card. 2d is great, overclocks pretty well, and has been very stable for me.