Ecovacs Deebot T90S Pro Omni
ECOVACS’ upgraded T90 Pro roller-mop robot, with more suction and a carpet cover, for mixed-floor homes with pets.
Amazon $899.99$899.99
The Ecovacs Deebot T90S Pro Omni is the better robot vacuum overall, rated 4.2 to 3.7. The Ecovacs Deebot T90S Pro Omni leads on value and mopping. The Ecovacs Deebot T90S Pro Omni costs $299.98 less ($899.99 vs $1,199.97).
iRobot Roomba Max 875 Combo
iRobot’s flagship, for hard-floor homes that want hot-water mopping.
Amazon $1,199.97$1,199.97
Prices 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 T90S Pro Omni for value ($900 vs $1,200) and 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 Pro Omni | iRobot Roomba Max 875 Combo |
|---|---|---|
| Overall rating | 4.2/5 | 3.7/5 |
| 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% | 42 $900 | 25 $1,200 |
| 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 Pro Omni | iRobot Roomba Max 875 Combo | |
|---|---|---|
| Vacuum | ||
| Claimed suction | 40,000 Pa | 40,000 Pa |
| Main brush | anti-tangle main brush (ZeroTangle 4.0) | hair-cutting bristle brush |
| Extending side brush | No | - |
| 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, recognizes 300+ objects |
| Climbs thresholds | 25 mm | 35 mm |
| Voice assistants | YIKO | - |
| Build | ||
| Height | - | 3.9 in (100 mm) |
| Retracting LiDAR | No | - |
| Battery | - | 5,000 mAh |
| Weight | - | 12 lb (5.4 kg) |
| Warranty | 1 year | - |
| Released | 2026-09 | 2026-09 |