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- Roomba 205 DustCompactor Combo vs Robot Vacuum S40
iRobot Roomba 205 DustCompactor Combo vs Xiaomi Robot Vacuum S40
What Roomba 205 DustCompactor Combo does better (1) and where Robot Vacuum S40 wins (3) — every spec side by side.
vs
5.0Cleaning power7.5
5.8Navigation5.8
3.0Mopping4.2
6.9Battery6.2
Dimensions
Size comparison
Roomba 205 DustCompactor ComboRobot Vacuum S40
| Roomba 205 DustCompactor Combo | Robot Vacuum S40 | Difference | |
|---|---|---|---|
| Height | 101 mm | 98 mm | +3 mm |
| Width / diameter | 359 mm | 340 mm | +19 mm |
| Length | 359 mm | 340 mm | +19 mm |
| Weight | 3.8 kg | 4.1 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba 205 DustCompactor Combo better than Robot Vacuum S40?
- Charging time240 min vs 360 min+50%
Why is Robot Vacuum S40 better than Roomba 205 DustCompactor Combo?
- Suction power7,000 Pa vs 10,000 Pa+43%
- Height101 mm vs 98 mm+3%
- Water tank (robot)180 ml vs 270 ml+50%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 7,000 Pa | 10,000 Pa |
| Dustbin (robot) | — | 520 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | — |
| Noise level | — | 63 dB |
| 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 | 20 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Water tank (robot) | 180 ml | 270 ml |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | 180 min | 180 min |
| Charging time | 240 min | 360 min |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 359 mm | 340 mm |
| Length | 359 mm | 340 mm |
| Height | 101 mm | 98 mm |
| Weight | 3.8 kg | 4.1 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant |
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