NEW Magic Mixer Immersion Hand Blender Handheld HM 7621 Missing top of box. What is the difference between an immersion blender and a mixer? Hand Mixer vs Immersion Blender: What's the Difference ... The primary differences between hand mixers and immersion blenders are their design and the types of foods they can help create. While a hand mixer primarily combines wet and dry ingredients using two beaters or a whisk, an immersion blender features blades to blend or puree ingredients, or to chop nuts and produce.