Superb cleaning performance ; Self-emptying dust bin ; Multi-floor smart mapping ; Precise object detection and navigation

Sack your cleaner. It's time to invest in the best robot vacuum money can buy

It empties itself ; Superb navigation skills ; Brilliant on carpet ; Wide roller head ; Ace battery life ; Class A suction

Doesn't like some rugs ; Expensive

iRobot’s flagship S9+ is one of the very best robot vac combos you can buy. Its wide rollers clean up more stuff in a single sweep, its Clean Base holds about a month’s worth of carpet crap, its battery lasts for ages, it produces more suction than a...

Automatic dirt disposal to larger bin ; Fantastic cleaning capabilities ; Excellent mapping system ; Handles various floor types brilliantly ; Good battery life

Expensive ; Clean Base auto dirt-disposal bin is quite large ; Not the quietest ; Occasionally can get stuck

A fantastic robot vacuum cleaner that, while not the cheapest by any stretch of the imagination, has got a lovely premium design, some excellent features, and brilliant cleaning performance overall.

Self-emptying dustbin ; Excellent navigation and cleaning ; Can create and store up to 10 floor plans

Clean Base requires more floor space than conventional dock ; Very expensive

The Roomba s9+ successfully refines the advances of the Roomba i7+, and that makes it our new pick for the most sophisticated robot vacuum. But that doesn’t mean it’s the best choice for everyone. The s9+ costs a whopping $1,400, putting it well...

If you want to save a few bucks, we suggest checking out the iRobot Roomba i7+ Clean Base ($799) or the Neato Botvac D7 Connected ($673). But if you feel like treating your floors — and avoiding cleaning dustbins — you won’t go wrong with the Roomba s9+.

Self-emptying dustbin. Ultra-powerful suction. Smart navigation. Compatible with Amazon Alexa and Google Assistant.

Expensive. Loud. Mediocre battery life.

iRobot's Roomba s9+ is expensive, but its intelligent navigation, super-powerful suction, and ability to empty itself out make it the best robot vacuum we've tested.