Their latest models may look similar on paper, but the Shark vs. Roomba debate comes down to the details. Here's what to know ...

Shark and Dyson are two top vacuum cleaner brands. We compare their features, performance, warranties and more to help you decide which is best for you.

Shark ION: As the name suggests, a Shark ION vacuum bounces around somewhat randomly to complete its cleaning. This type of robotic vacuum is best for cleaning smaller areas.

Shark is the clear winner on price. Its vacuums range from $100 to $500 and offer impressive features and performance for the cost. Dyson vacuums have undeniable cachet — but it comes at a premium.