Neato's midtier Botvac D5 offers plenty robot vacuum for the price, but you're better off spending extra on the most capable robot vacuum the company offers.
Black & Decker's Smartech vac packs plenty of tricks into a reasonably priced package.
With lots of battery life and a powerful motor, LG's CordZero Stick Vacuum looks ready to take on Dyson.
Samsung's slimmed-down Powerbot VR7000 robot vacuum promises to go where other floor cleaners can't. It works with Amazon's Alexa, too.
Miele debuts the Blizzard CX1 at the IFA trade show in Berlin, its first bagless vacuum.
The Chinese phone maker has more lines than the London Underground. Its latest product is a robot vacuum.
It's a competent cleaner, but the LG Hom-Bot Square lags far behind less expensive Neato and Roomba models. We recommend sticking with those.
The CordZero from LG, on display at CES 2016, automatically stays at your heels as you move throughout your house.
Top-of-the-line models from Roomba and Neato each clean better than the PowerBot while costing hundreds less. We're sticking with those.
The Black & Decker Lithium Vacuum is mediocre and tedious to use. It needs to be better than that to be worth its $300 price point.
Dyson reinvents the wheel with the Cinetic series, and though the filterless approach works, it doesn't add enough practical convenience to justify the price jump over similarly capable competition.
iRobot's programmable Create 2 gives tech enthusiasts the chance to experiment with robotics.
Dyson's v6 Motorhead competes well enough as a high-end stick vac, but poor battery life and a tendency to clog with large particles hold the v6 Motorhead back from replacing your full-size upright.
With decent performance and a price of just $200, this vacuum might make sense for value-minded minimalists, but you'll need to look elsewhere for something more modern or feature-rich.
The DC41's design disappointed us, and the Ball Allergy's isn't any better. Despite the strong performance scores, this pricey Dyson is still difficult to recommend.
If your cleaning needs are limited to dust and other small stuff, this Samsung is stellar, but plenty of other uprights deliver better performance and usability for less.
If you're looking for a simple stick vacuum with exceptional performance, save some money and get the $180 Hoover LiNX. The $500 Dyson DC59 is a great high-end option if you want a variety of brush attachments and other special features.
The BotVac's design diverges a bit from Neato's classic XV line.