Ecovacs Deebot T90 Max Plus Omni
A strong-suction roller-mop robot with a boiling-water mop wash for mid-range budgets, best in homes without high door sills.
Amazon $699.99$699.99
The Ecovacs Deebot T90 Max Plus Omni and the Roborock Saros 20 Sonic are evenly matched, rated 4.2 and 4.2. The Ecovacs Deebot T90 Max Plus Omni leads on mopping. The Roborock Saros 20 Sonic wins on navigation.
Roborock Saros 20 Sonic
For homes that want the Saros 20’s slim build and threshold climbing with a retractable LiDAR and a sonic mop.
AmazonPrices were last checked October 26, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Ecovacs Deebot T90 Max Plus Omni for mopping (Roller, lifts 15 mm, extends to edges vs Vibrating pad, leaves its mop at the dock for carpet).
- Choose the Roborock Saros 20 Sonic for navigation (LiDAR + camera vs LiDAR + 3D light).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every self-cleaning dock robot vacuum; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ecovacs Deebot T90 Max Plus Omni | Roborock Saros 20 Sonic |
|---|---|---|
| Overall rating | 4.2/5 | 4.2/5 |
| Cleaning 30% | 71 not yet tested; estimated from 10 tested Ecovacs robots and the median of the 70 tested robots | 82 measured 92% of sand from carpet, 77.8% of pet hair, no hair tangled |
| Value 25% | 58 $700 | 50 no current price (neutral score used) |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent, optional water hookup |
| Navigation 15% | 85 LiDAR + 3D light | 100 LiDAR + camera |
| Mopping 10% | 95 Roller, lifts 15 mm, extends to edges | 46 Vibrating pad, leaves its mop at the dock for carpet |
Independent tests
Ecovacs Deebot T90 Max Plus Omni
No independent test published yet.
Roborock Saros 20 Sonic
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 92% | 77.8% | 0 | 1,225 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Ecovacs Deebot T90 Max Plus Omni | Roborock Saros 20 Sonic | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 40,000 Pa | 36,000 Pa |
| Main brush | anti-tangle main brush (ZeroTangle 4.0) | DuoDivide anti-tangle brush |
| Dustbin | - | 228 mL |
| Extending side brush | No | Yes |
| Mopping | ||
| Mop | Roller, lifts 15 mm, extends to edges | Vibrating pad, leaves its mop at the dock for carpet |
| Mop lift | 15 mm | 8 mm |
| Leaves mop at dock | No | Yes |
| Extending mop | Yes | No |
| Water tank | - | 70 mL |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Dust bag | 2.5 L | - |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | - | Yes |
| Water hookup option | - | Yes |
| Navigation & app | ||
| Navigation | LiDAR + 3D light | LiDAR + camera |
| Obstacle avoidance | TrueDetect 3D structured light, detects objects from 2 cm | Reactive AI 3.0 obstacle recognition |
| Climbs thresholds | 20 mm | 88 mm |
| Matter | - | Yes |
| Voice assistants | - | Alexa, Google Assistant, Siri Shortcuts |
| Build | ||
| Height | 3.7 in (95 mm) | 3.1 in (79.8 mm) |
| Retracting LiDAR | No | Yes |
| Battery | 5,200 mAh | 6,400 mAh |
| Run time | - | Up to 3 h 10 min |
| Warranty | 1 year | 1 year |
| Released | 2026-09 | - |