What the tests say about the Dreame X40 Ultra and the Dreame X50 Ultra Complete, their price today and the makers’ facts side by side.
On September 28, 2026 only the Dreame X50 Ultra Complete is in our ranking: none of the tests we follow ranks the Dreame X40 Ultra.
Prices updated at 10:00 AM ETTest sources' lists: Aug 4 to Sep 26
#29Close to the 90-day low$30 above the lowest point of the last 90 days
| Dreame X40 Ultra | Dreame X50 Ultra Complete | |
|---|---|---|
| RTINGS ↗ | not named | Best for carpet · RTINGS |
| TechRadar ↗ | not named | Best premium model · TechRadar |
A test that names only one of the two says nothing against the other: it may not have tested it. Each list’s date is on the model’s page.
| Dreame X40 Ultra | Dreame X50 Ultra Complete | |
|---|---|---|
| Lowest price | – | $914Amazon.com |
| Score | not in our ranking | picked by 2 of 5 tests |
| Rank | – | rank 29 of 65 with an all-in-one station |
| Customer rating | ★ 3.9 · 893 reviews | ★ 4.2 · 760 reviews |
| Station | all-in-one station | all-in-one station |
| Mop type | not stated | spinning pads |
| Mop lift on carpet | 0.4 in (10.5 mm) | 0.4 in (10.5 mm) |
| Automatic mop detach | yes | no |
| Washes the mop | yes | yes |
| Hot-air drying | yes | yes |
| Dust bag lasts | up to 75 days | up to 100 days |
| Plumbing hookup | no | yes |
| Anti-tangle brush | not stated | yes |
| Obstacle avoidance | AI camera | AI camera |
| Climbs thresholds up to | 0.9 in (22 mm) | 1.7 in (42 mm) |
| Climbing system for high thresholds | not stated | yes |
| Robot height | not stated | 3.5 in (8.9 cm) |
| Noise | not stated | 75 dB |
| On the market since | – | January 2025 |
Facts as the maker states them. “Not stated” means the maker does not name it, and it does not count as a no. Each model’s page gives the source of every fact.
Thanks, we have your report. We read every one and correct what is wrong.
