Ecovacs Deebot T90S Omni
A slightly cheaper T90S roller-mop robot for mixed-floor homes; check the price gap to the T90S Pro Omni before buying.
Amazon $799.99$799.99
The Ecovacs Deebot T90S Omni is the better robot vacuum overall, rated 4.2 to 3.2. The Ecovacs Deebot T90S Omni leads on navigation and mopping.
Prices were last checked November 3, 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.
iRobot Roomba Plus 405 Combo
#103 in Self-cleaning dockFull review
Suits large, mostly hard-floor homes that want a self-washing mop dock from a familiar brand; weak carpet and pet hair results make it a poor fit for rugs and pets.
Amazon $799.99$799.99
Which should you buy?
- Choose the Ecovacs Deebot T90S Omni for navigation (LiDAR + camera vs LiDAR) and mopping (Roller, lifts 15 mm, extends to edges vs Dual spinning pads).
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 T90S Omni | iRobot Roomba Plus 405 Combo |
|---|---|---|
| Overall rating | 4.2/5 | 3.2/5 |
| Cleaning 30% | 71 not yet tested; estimated from 10 tested Ecovacs robots and the median of the 70 tested robots | 11 measured 58% of sand from carpet, 49.5% of pet hair, some hair tangled (0.2) |
| Value 25% | 50 $800 | 50 $800 |
| Dock 20% | 100 Self-empties the bin, washes the mop, hot-water mop wash, hot-air mop drying, doses detergent | 87 Self-empties the bin, washes the mop |
| Navigation 15% | 100 LiDAR + camera | 65 LiDAR |
| Mopping 10% | 95 Roller, lifts 15 mm, extends to edges | 56 Dual spinning pads |
Independent tests
Ecovacs Deebot T90S Omni
No independent test published yet.
iRobot Roomba Plus 405 Combo
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 58% | 49.5% | 0.2 | 1,421 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 T90S Omni | iRobot Roomba Plus 405 Combo | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 35,000 Pa | - |
| Main brush | anti-tangle main brush (ZeroTangle 4.0) | multi-surface rubber brush |
| Extending side brush | No | - |
| Mopping | ||
| Mop | Roller, lifts 15 mm, extends to edges | Dual spinning pads |
| Mop lift | 15 mm | - |
| Leaves mop at dock | No | No |
| Extending mop | Yes | No |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | - |
| Hot-air drying | Yes | No |
| Detergent dosing | Yes | - |
| Navigation & app | ||
| Navigation | LiDAR + camera | LiDAR |
| Obstacle avoidance | AI camera with LED fill light (AIVI 3D 4.0) | Object sensing (sensor type not given) |
| Climbs thresholds | 25 mm | - |
| Voice assistants | YIKO | Alexa, Siri, Google Assistant |
| Build | ||
| Height | - | 4.2 in (107 mm) |
| Retracting LiDAR | No | - |
| Weight | - | 9.1 lb (4.1 kg) |
| Warranty | 1 year | - |
| Released | 2026-09 | 2025-03 |