A:Answer We would like to inform you that both of these system will make delicious smoothies. Ninja® Professional Touchscreen Blender (CT610) features an intuitive, durable touchscreen that allows you to quickly toggle between pre-set programs and manual control. Auto-iQ® Mode displays three unique pre-set programs, bringing simplicity to everything you make. In Manual Mode, the control is in your hands-use it to craft and customize recipes to your exact specifications. The Ninja® Blender DUO® with Micro-Juice™ Technology (IV701) is the blender that crushes and now juices. Get total crushing power for all your favorite smoothies and frozen drinks in a pitcher for large batches and in a single serve blending cup for on-the-go convenience. Plus, this Ninja has a Micro-Juice™ Filter, which works with the integrated vacuum to make light and refreshing juice right in the pitcher. DrinkSaver™ removes air from the cup and pitcher to keep drinks fresh up to 48 hours.