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- Spot+Scrub AI vs S20
Dyson Spot+Scrub AI vs SwitchBot S20
What Spot+Scrub AI does better (5) and where S20 wins (1) — every spec side by side.
vs
8.5Cleaning power6.5
8.2Navigation7.6
9.2Mopping4.1
4.9Base station7.2
7.6Battery5.4
Dimensions
Size comparison
Spot+Scrub AIS20
| Spot+Scrub AI | S20 | Difference | |
|---|---|---|---|
| Height | 110 mm | 115 mm | −5 mm |
| Width / diameter | 373 mm | 365 mm | +8 mm |
| Length | 373 mm | 365 mm | +8 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Spot+Scrub AI better than S20?
- Mop typeRoller mop vs Mop pad
- Suction power18,000 Pa vs 10,000 Pa+80%
- Battery capacity5,000 mAh vs 4,000 mAh+25%
- Height110 mm vs 115 mm+5%
- Charging time180 min vs 240 min+33%
Why is S20 better than Spot+Scrub AI?
- Clean water tank (dock)2.3 l vs 2.7 l+19%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 18,000 Pa | 10,000 Pa |
| Dustbin (robot) | — | 310 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 2 | 1 |
| Carpet detection | Yes | Yes |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | — | 20 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Roller mop | Mop pad |
| Mop lifting on carpets | Yes | Yes |
| Extending mop (edges) | Yes | — |
| 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) | 3 l | — |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | — |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 2.3 l | 2.7 l |
| Dirty water tank (dock) | 2.3 l | 2.5 l |
| Battery & runtime | ||
| Battery capacity | 5,000 mAh | 4,000 mAh |
| Runtime | 200 min | — |
| Charging time | 180 min | 240 min |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 373 mm | 365 mm |
| Length | 373 mm | 365 mm |
| Height | 110 mm | 115 mm |
| Weight | — | 5.5 kg |
| Shape | Round | Round |
| Colours | Black, Blue | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | — | Yes |
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