Provided you use the Glide64 plugin with your Voodoo, it would be faster and more accurate because Glide64 is currently the best graphics plugin. Other plugins are bound to catch Glide64 though, it's just a matter of time. The other N64 plugins won't run very well though, if at all. Replacing your current card with a Voodoo would strongly limit what PC games you can play, so be careful with the descision.