It's faster but you can also make it slower if you go nuts. Like millions of polygons, transparency all over the place lots of lights, Like hundreds of them, Millions of blades of grass reflecting on shiny metal. Generally it's faster though. You just have to plan your scene well and group things, ( very important in Vue to speed up rendering.) You can also kill it by trying to render too high a quality. That's saying you play with the sliders and not the presets. You don't need extreme quality with animations though.