- brandnew.uk.com
- Compare
- Robot Vacuum S20 vs Robot Vacuum S40
Xiaomi Robot Vacuum S20 vs Xiaomi Robot Vacuum S40
What Robot Vacuum S20 does better (0) and where Robot Vacuum S40 wins (4) — every spec side by side.
vs
4.7Cleaning power7.5
4.3Navigation5.8
4.2Mopping4.2
3.3Battery6.2
Dimensions
Size comparison
Robot Vacuum S20Robot Vacuum S40
| Robot Vacuum S20 | Robot Vacuum S40 | Difference | |
|---|---|---|---|
| Height | 98 mm | 98 mm | = |
| Width / diameter | 325 mm | 340 mm | −15 mm |
| Length | 325 mm | 340 mm | −15 mm |
| Weight | 3.5 kg | 4.1 kg | −0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Robot Vacuum S20 better than Robot Vacuum S40?
Robot Vacuum S20 has no measurable advantages in this pair.
Why is Robot Vacuum S40 better than Robot Vacuum S20?
- Suction power5,000 Pa vs 10,000 Pa2×
- Runtime120 min vs 180 min+50%
- Battery capacity3,200 mAh vs 5,200 mAh+62%
- Dustbin (robot)400 ml vs 520 ml+30%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 5,000 Pa | 10,000 Pa |
| Dustbin (robot) | 400 ml | 520 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| HEPA filter | 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 |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Water tank (robot) | 270 ml | 270 ml |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 5,200 mAh |
| Runtime | 120 min | 180 min |
| Charging time | — | 360 min |
| Size & weight | ||
| Width / diameter | 325 mm | 340 mm |
| Length | 325 mm | 340 mm |
| Height | 98 mm | 98 mm |
| Weight | 3.5 kg | 4.1 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
| Remote control | Yes | — |
Related comparisons
vs
aeco Vacubot X5vsXiaomi Robot Vacuum S20
4.94.8
vs
Xiaomi Robot Vacuum S20vsMedion S35
vs
Xiaomi Robot Vacuum S20vsSilvercrest SSR 3000 A1
vs
Xiaomi Robot Vacuum S20vsSamsung Bespoke Jet Bot Combo AI+
vs
Xiaomi Robot Vacuum S20vsXiaomi Robot Vacuum S10
vs
Xiaomi Robot Vacuum S20vsXiaomi Robot Vacuum S12