As of 2015, some of the differences between the Ninja and Vitamix blenders include their prices, warranty periods, speed control options and jar capacities. Ninja and Vitamix both have multiple blender and kitchen systems available.
Vitamix blenders tend to cost more than Ninja blenders. For example, the Vitamix 5200 Standard costs over $400, while the Ninja Mega Kitchen System BL770 costs around $200, as of 2015. Vitamix products have a 7-year warranty period, and Ninja products have a 5-year warranty period. Vitamix blenders have a manual dial for controlling the blender speed, along with a pulse feature. Ninja blenders also have a pulse feature, but they have individual speed settings instead of a dial.
Ninja's Kitchen System includes a 72-ounce plastic pitcher, which is dishwasher safe. Vitamix's 5200 Standard has a 64-ounce container, which is not recommended for dishwasher cleaning because it is made of glass. Each machine has a 2-horsepower motor. Vitamix blenders tend to be more durable because more pieces are made of steel, while Ninja blenders have more parts made of plastic. Vitamix blenders have a steel core, which is sturdier than the Ninja blenders' plastic cores.
Ninja Kitchen Systems include more options than Vitamix blenders, including more containers. Ninja also offers single-serve containers. Moreover, Vitamix machines are taller than Ninja machines.