>>19314376
Depends what you use a blender for. If you make soup or viscous foods and dips like hummus, or lots of things with ice a Vitamix is better because the cheap mixers have motors that are much less resilient and can burn out easily. Vitamix blenders also puree more effectively. My cheap blender leaves chunks when I blend hot sauce because the motor doesn't spin fast enough to create the vacuum vortex high end blenders can generate.
Otherwise, there's no difference.