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- Roomba Essential vs Robot Vacuum S20
iRobot Roomba Essential vs Xiaomi Robot Vacuum S20
What Roomba Essential does better (1) and where Robot Vacuum S20 wins (2) — every spec side by side.
vs
3.1Mopping4.2
2.5Battery3.3
Dimensions
Size comparison
Roomba EssentialRobot Vacuum S20
| Roomba Essential | Robot Vacuum S20 | Difference | |
|---|---|---|---|
| Height | 80 mm | 98 mm | −18 mm |
| Width / diameter | 330 mm | 325 mm | +5 mm |
| Length | 330 mm | 325 mm | +5 mm |
| Weight | 2.8 kg | 3.5 kg | −0.7 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Essential better than Robot Vacuum S20?
- Height80 mm vs 98 mm+23%
Why is Robot Vacuum S20 better than Roomba Essential?
- Battery capacity2,600 mAh vs 3,200 mAh+23%
- Water tank (robot)200 ml vs 270 ml+35%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 5,000 Pa |
| Dustbin (robot) | 400 ml | 400 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | — |
| HEPA filter | — | Yes |
| Navigation & obstacles | ||
| Navigation | — | Laser (LiDAR) |
| Navigation sensors | Cliff sensors | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | — | Yes |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Water tank (robot) | 200 ml | 270 ml |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Battery capacity | 2,600 mAh | 3,200 mAh |
| Runtime | 120 min | 120 min |
| Cleaning area per charge | 46 m² | — |
| Size & weight | ||
| Width / diameter | 330 mm | 325 mm |
| Length | 330 mm | 325 mm |
| Height | 80 mm | 98 mm |
| Weight | 2.8 kg | 3.5 kg |
| Shape | Round | Round |
| Colours | White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
| Remote control | — | Yes |
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