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 is the better robot vacuum overall, rated 4.2 to 3.6. The Ecovacs Deebot T90 Max Plus Omni leads on mopping.
Prices were last checked November 11, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Roborock S8 Max Ultra
#100 in Self-cleaning dockFull review
For buyers who can plumb in the dock and want a hands-off mopping robot that never needs its water tanks touched.
Amazon $699.99$699.99
Which should you buy?
- Choose the Ecovacs Deebot T90 Max Plus Omni for mopping (Roller, lifts 15 mm, extends to edges vs Vibrating pad, lifts 20 mm, extends to edges).
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 S8 Max Ultra |
|---|---|---|
| Overall rating | 4.2/5 | 3.6/5 |
| Cleaning 30% | 69 not yet tested; estimated from 11 tested Ecovacs robots and the median of the 80 tested robots | 18 measured 72% of sand from carpet, 75% of pet hair, some hair tangled (0.6) |
| Value 25% | 58 $700 | 58 $700 |
| 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 | 85 LiDAR + 3D light |
| Mopping 10% | 95 Roller, lifts 15 mm, extends to edges | 62 Vibrating pad, lifts 20 mm, extends to edges |
Independent tests
Ecovacs Deebot T90 Max Plus Omni
No independent test published yet.
Roborock S8 Max Ultra
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 72% | 75% | 0.6 | 1,006 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Ecovacs Deebot T90 Max Plus Omni | Roborock S8 Max Ultra | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 40,000 Pa | 8,000 Pa |
| Main brush | anti-tangle main brush (ZeroTangle 4.0) | DuoRoller Riser dual rubber brushes |
| Extending side brush | No | Yes |
| Mopping | ||
| Mop | Roller, lifts 15 mm, extends to edges | Vibrating pad, lifts 20 mm, extends to edges |
| Mop lift | 15 mm | 20 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| 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 + 3D light |
| Obstacle avoidance | TrueDetect 3D structured light, detects objects from 2 cm | 3D structured light (Reactive 3D) |
| Climbs thresholds | 20 mm | - |
| Voice assistants | - | Alexa, Google Assistant, Siri Shortcuts |
| Build | ||
| Height | 3.7 in (95 mm) | 3.8 in (97 mm) |
| Retracting LiDAR | No | No |
| Battery | 5,200 mAh | 5,200 mAh |
| Warranty | 1 year | - |
| Released | 2026-09 | 2024-04 |