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- Roomba Plus 405 Combo vs M3
iRobot Roomba Plus 405 Combo vs Lefant M3
What Roomba Plus 405 Combo does better (1) and where M3 wins (3) — every spec side by side.
vs
5.0Cleaning power7.4
5.8Navigation4.3
8.5Mopping6.2
4.6Base station4.8
6.9Battery5.1
Dimensions
Size comparison
Roomba Plus 405 ComboM3
| Roomba Plus 405 Combo | M3 | Difference | |
|---|---|---|---|
| Height | 106 mm | 97 mm | +9 mm |
| Width / diameter | 357 mm | 320 mm | +37 mm |
| Length | 357 mm | 320 mm | +37 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Plus 405 Combo better than M3?
- Runtime180 min vs 150 min+20%
Why is M3 better than Roomba Plus 405 Combo?
- Suction power7,000 Pa vs 12,000 Pa+71%
- Dust bag (dock)1.7 l vs 3.2 l+88%
- Height106 mm vs 97 mm+9%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 7,000 Pa | 12,000 Pa |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | — |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Rotating mop pads |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | — | 9 mm |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 1.7 l | 3.2 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | — | Yes |
| Mop washing water temperature | — | 55 °C |
| Hot-air mop drying | Yes | — |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 3 l | — |
| Dirty water tank (dock) | 2.3 l | — |
| Battery & runtime | ||
| Runtime | 180 min | 150 min |
| Charging time | 240 min | — |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 357 mm | 320 mm |
| Length | 357 mm | 320 mm |
| Height | 106 mm | 97 mm |
| Weight | 4.1 kg | — |
| Shape | Round | Round |
| Colours | Black | White, Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant |
| Remote control | Yes | — |
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