# Dreame X40 Ultra

- Page: https://bestatbest.com/us/robot-vacuums/dreame-x40-ultra
- Not sold at any store we monitor today, so not in our consensus ranking.
- No store we follow has this model in stock today. Last on sale on August 22, 2026: $599 at Amazon.com.
- Lowest in 90 days: $571

## What the tests say

- Vacuum Wars: Position 65 of 151 (list as of September 26, 2026), https://vacuumwars.com/vacuum-wars-best-robot-vacuums/

## Pros

- Pulled deeply embedded sand from carpet far better than most robots (Vacuum Wars, https://vacuumwars.com/dreame-x40-ultra-review-is-this-the-best-robot-vacuum/)
- Spinning mops lifted dried coffee and juice stains very well (Vacuum Wars, https://vacuumwars.com/dreame-x40-ultra-review-is-this-the-best-robot-vacuum/)
- Avoided the test obstacles almost without fault (Vacuum Wars, https://vacuumwars.com/dreame-x40-ultra-review-is-this-the-best-robot-vacuum/)
- Spotted cables, shoes and pet mess and kept well clear of them (TechRadar, https://www.techradar.com/home/robot-vacuums/dreame-x40-ultra-review)
- Scrubbed away dried sauce and sticky honey within a few passes (TechRadar, https://www.techradar.com/home/robot-vacuums/dreame-x40-ultra-review)
- Extending brush and mop reach into corners and along cabinet edges (TechRadar, https://www.techradar.com/home/robot-vacuums/dreame-x40-ultra-review)

## Cons

- Long hair still tends to tangle around the main brush (Vacuum Wars, https://vacuumwars.com/dreame-x40-ultra-review-is-this-the-best-robot-vacuum/)
- One of the priciest robots the testers had evaluated at the time (Vacuum Wars, https://vacuumwars.com/dreame-x40-ultra-review-is-this-the-best-robot-vacuum/)
- Weak dock suction sometimes left the bin full and clogged the bag (TechRadar, https://www.techradar.com/home/robot-vacuums/dreame-x40-ultra-review)
- App buries common settings deep in menus and can lag (TechRadar, https://www.techradar.com/home/robot-vacuums/dreame-x40-ultra-review)
- Dust bags fill early, which pushes up running costs (TechRadar, https://www.techradar.com/home/robot-vacuums/dreame-x40-ultra-review)

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