Dreame X40 Ultra vs Ecovacs Deebot T90 Pro Omni
Quick take: The Dreame X40 Ultra costs $200 less; the Ecovacs Deebot T90 Pro Omni has stronger suction (30,000 vs 12,000 Pa); the Ecovacs Deebot T90 Pro Omni runs longer per charge (350 vs 210 min).
Which one to buy
Mopping is the Ecovacs's home turf, and that's where this matchup gets decided. The Deebot T90 Pro Omni uses a 10.6-inch roller mop that washes itself with 167°F water as it cleans, and in testing it scored 157 on dried stains, about 50% above average and the second-highest result its tester had recorded. It also picked up 100% of embedded pet hair with no tangles and avoided 23 of 24 obstacles. Owners add two dock details they like: a fully removable wash tray and a fan that dries the dirty-water tank so it doesn't smell.
The Dreame X40 Ultra answers with edges and carpet. Its extending side brush and mop reach corners and baseboards that owners say round robots always miss, and owners coming from other flagships report visibly cleaner carpet. The T90 scored 81% on carpet deep cleaning in testing, which trails the leaders, and its owners say it leaves a strip along carpet borders that they redo by hand.
Ownership quirks differ. T90 owners describe timid navigation: it skips cluttered areas, hesitates at thresholds and sometimes needs help between rooms. They also mention clunky Wi-Fi setup, a 250 ml bin, unit-to-unit quality variation and slow Ecovacs support. X40 Ultra owners report a buggy app, a grinding dock during self-empty, a 4-inch height that misses some furniture, and slow Dreame warranty claims. The T90 runs longer, rated at 350 minutes against 210, and its warranty is 2 years against 1.
For hard-floor homes where stains and pet hair are the main job, the T90 Pro Omni is the better robot. For carpet-heavy homes, or anyone bothered by dirty corners and edges, the X40 Ultra was the pick, but it is now discontinued; Dreame's successor is the X50 Ultra at $1,000.
Dreame X40 Ultra
Best for carpet-heavy homes or if clean corners and baseboards matter; owners praise its extending brush and carpet pickup, though it is now discontinued and the X50 Ultra replaces it.
Ecovacs Deebot T90 Pro Omni
Made for mostly hard floors with stains and pet hair; it tested near the top for mopping and obstacles and has a 2-year warranty.
| Spec | Dreame X40 Ultra | Ecovacs Deebot T90 Pro Omni |
|---|---|---|
| Price | ~$600 | ~$800 |
| Type | Robot Vacuum & Mop | Robot Vacuum & Mop |
| Suction | 12000 Pa | 30000 Pa |
| Battery | 210 min | 350 min |
| Navigation | LiDAR + Camera | LiDAR + Camera |
| Filtration | — | — |
| Cordless | Yes | Yes |
| Bagged | — | — |
| Noise | 66 dB | 60 dB |
| Dustbin | 300 ml | 250 ml |
| Water tank | 80 ml | 110 ml |
| Self-empty dock | Yes | Yes |
| Auto mop washing | Yes | Yes |
| Hot water washing | Yes | Yes |
| Obstacle avoidance | Yes | Yes |
| Carpet detection | Yes | Yes |
| Auto mop lifting | Yes | Yes |
| Multi-floor mapping | Yes | Yes |
| App control | Yes | Yes |
| Dimensions | 13.9 x 13.9 x 4.0 in | 13.9 x 13.9 x 3.7 in |
| Weight | 10.1 lbs | 11.0 lbs |
| Warranty | 3 years | 2 years |
Pros & cons
Dreame X40 Ultra
- ✓12000Pa suction is the strongest available — pulls embedded dirt from carpet fibers
- ✓Extending side brush reaches into corners and along walls other robots miss
- ✓Hot water mop wash with auto-detergent dispensing is truly hands-free
- ✓MopExtend technology pushes mop pads beyond the robot body for edge mopping
- ✓210-minute battery comfortably covers 3000+ sq ft homes
- ✗App can be buggy with occasional disconnects and slow map loading
- ✗Extending brush mechanism is a moving part that could wear over time
- ✗Slightly taller profile (4 inches) may not fit under some furniture
- ✗Newer brand with less established US customer service compared to Roborock or iRobot
Ecovacs Deebot T90 Pro Omni
- ✓Second-highest combined mopping score Vacuum Wars had ever recorded, with a dried-stain result nearly 50% above average
- ✓Perfect 100% pet hair pickup and 0% tangling from the ZeroTangle brush in 7-inch hair tests
- ✓Full-width 10.6-inch OZMO Roller 3.0 self-cleans continuously with 167°F water while it mops
- ✓Huge 350-minute runtime plus PowerBoost charging (10% in 3 minutes) covers very large homes
- ✓AI camera with structured light and 3D edge sensors avoided 23 of 24 test obstacles and supports Matter
- ✗Small 250ml dustbin triggers frequent noisy auto-empty trips
- ✗Navigation efficiency is only slightly above average despite the new embedded LiDAR
- ✗Roller mop lifts just 15mm on carpet, so thick pile can still get damp
- ✗New for 2026, so long-term reliability feedback is still thin
Dreame X40 Ultra vs Ecovacs Deebot T90 Pro Omni: common questions
Which mops better, the Dreame X40 Ultra or the Ecovacs T90 Pro Omni?▾
The T90 Pro Omni. Its self-washing roller scored 157 on dried stains in testing, roughly 50% above average. The X40 Ultra's advantage in mopping is edge reach, since its mop extends to the baseboards.
Is the T90 Pro Omni's navigation a problem?▾
It can be in cluttered homes. Owners say it skips cluttered zones, hesitates at door thresholds and occasionally needs moving between rooms. In open floor plans they report few problems, and it still avoided 23 of 24 obstacles in testing.
Is the X40 Ultra or the T90 Pro Omni better on carpet?▾
The X40 Ultra, by owner accounts: people moving from other flagships report visibly more dirt pulled from carpet. The T90 scored 81% on carpet deep cleaning in testing, good but behind the class leaders.

