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 4.0. The Ecovacs Deebot T90S Omni leads on 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 Max 775 Combo
For homes with mixed floors that want a roller mop with a hot-wash, heat-dry dock from iRobot; the Plus 678 has similar features for less.
Amazon $799.99$799.99
Which should you buy?
- Choose the Ecovacs Deebot T90S Omni for mopping (Roller, lifts 15 mm, extends to edges vs Roller, 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 T90S Omni | iRobot Roomba Max 775 Combo |
|---|---|---|
| Overall rating | 4.2/5 | 4.0/5 |
| Cleaning 30% | 71 not yet tested; estimated from 10 tested Ecovacs robots and the median of the 70 tested robots | 48 not yet tested; estimated from 3 tested iRobot robots and the median of the 70 tested robots |
| 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 | 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 | 85 Roller, extends to edges |
Specifications
| Ecovacs Deebot T90S Omni | iRobot Roomba Max 775 Combo | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 35,000 Pa | 30,000 Pa |
| Main brush | anti-tangle main brush (ZeroTangle 4.0) | dual rubber brushes |
| Extending side brush | No | Yes |
| Mopping | ||
| Mop | Roller, lifts 15 mm, extends to edges | Roller, extends to edges |
| Mop lift | 15 mm | - |
| Leaves mop at dock | No | No |
| Extending mop | Yes | Yes |
| Dock | ||
| Dock | Washes mop + empties | Washes mop + empties |
| Self-empties | Yes | Yes |
| Washes mop | Yes | Yes |
| Hot-water wash | Yes | Yes |
| Hot-air drying | Yes | Yes |
| Detergent dosing | Yes | Yes |
| Navigation & app | ||
| Navigation | LiDAR + camera | LiDAR + camera |
| Obstacle avoidance | AI camera with LED fill light (AIVI 3D 4.0) | PrecisionVision AI camera object recognition |
| Climbs thresholds | 25 mm | - |
| Voice assistants | YIKO | - |
| Build | ||
| Height | - | 4.1 in (104 mm) |
| Retracting LiDAR | No | - |
| Battery | - | 6,000 mAh |
| Weight | - | 12.8 lb (5.8 kg) |
| Warranty | 1 year | 1 year |
| Released | 2026-09 | 2026-07 |