Ecovacs Deebot T90 Pro Omni
A slim roller-mop robot for mostly hard-floor homes with pets: it mops with constantly fresh water and leaves no hair wrapped, but its carpet deep cleaning trails similarly priced rivals.
Amazon $549$549
The Ecovacs Deebot T90 Pro Omni is the better robot vacuum overall, rated 4.3 to 3.9. The Ecovacs Deebot T90 Pro Omni leads on value. The Ecovacs Deebot T90 Pro Omni costs $350.99 less ($549 vs $899.99).
iRobot Roomba Plus 678 Combo
A strong pick for hard-floor homes that want hot-water roller mopping and a full-service dock for less than iRobot’s flagship 875.
Amazon $899.99$899.99
Prices were last checked October 27, 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 Pro Omni for value ($549 vs $900).
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 Pro Omni | iRobot Roomba Plus 678 Combo |
|---|---|---|
| Overall rating | 4.3/5 | 3.9/5 |
| Cleaning 30% | 66 measured 81% of sand from carpet, 100% of pet hair, no hair tangled | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots |
| Value 25% | 73 $549 | 42 $900 |
| Dock 20% | 90 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent |
| Navigation 15% | 100 LiDAR + camera | 100 LiDAR + camera |
| Mopping 10% | 95 Roller, lifts 15 mm, extends to edges | 90 Roller, lifts 10 mm, extends to edges |
Independent tests
Ecovacs Deebot T90 Pro Omni
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 81% | 100% | 0 | 1,372 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). |
iRobot Roomba Plus 678 Combo
No independent test published yet.
Specifications
| Ecovacs Deebot T90 Pro Omni | iRobot Roomba Plus 678 Combo | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 30,000 Pa | 30,000 Pa |
| Main brush | single floating bristle brush (ZeroTangle 4.0 airflow-directed) | hair-cutting multi-surface bristle brush |
| Dustbin | 250 mL | - |
| Extending side brush | No | - |
| Mopping | ||
| Mop | Roller, lifts 15 mm, extends to edges | Roller, lifts 10 mm, extends to edges |
| Mop lift | 15 mm | 10 mm |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Water tank | 110 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 | Yes |
| Water hookup option | No | - |
| Clean water tank | 4 L | - |
| Navigation & app | ||
| Navigation | LiDAR + camera | LiDAR + camera |
| Obstacle avoidance | Structured light plus RGB AI camera with vision-language object recognition (AIVI 3D 4.0) | PrecisionVision AI camera object recognition; SprayForce AI pre-treats detected stains |
| Climbs thresholds | 24 mm | 35 mm |
| Voice assistants | YIKO | - |
| Build | ||
| Height | 3.7 in (95 mm) | 3.9 in (99 mm) |
| Retracting LiDAR | No | - |
| Battery | 4,000 mAh | 6,000 mAh |
| Run time | Up to 2 h 20 min | - |
| Weight | 11.7 lb (5.3 kg) | 10.7 lb (4.8 kg) |
| Warranty | 1 year | - |
| Released | 2026-02 | 2026-09 |