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- BCRDW3B Spotless Max vs S20
Bosch BCRDW3B Spotless Max vs SwitchBot S20
What BCRDW3B Spotless Max does better (3) and where S20 wins (2) — every spec side by side.
vs
6.4Cleaning power6.5
5.0Navigation7.6
7.2Mopping4.1
7.5Base station7.2
Dimensions
Size comparison
BCRDW3B Spotless MaxS20
| BCRDW3B Spotless Max | S20 | Difference | |
|---|---|---|---|
| Height | 99 mm | 115 mm | −16 mm |
| Width / diameter | 353 mm | 365 mm | −12 mm |
| Length | 353 mm | 365 mm | −12 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is BCRDW3B Spotless Max better than S20?
- Mop typeRotating mop pads vs Mop pad
- Suction power11,000 Pa vs 10,000 Pa+10%
- Height99 mm vs 115 mm+16%
Why is S20 better than BCRDW3B Spotless Max?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Dustbin (robot)275 ml vs 310 ml+13%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 11,000 Pa | 10,000 Pa |
| Dustbin (robot) | 275 ml | 310 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Mop pad |
| Mop lifting on carpets | Yes | Yes |
| Extending mop (edges) | Yes | — |
| Water tank (robot) | 55 ml | — |
| 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) | — | 2.7 l |
| Dirty water tank (dock) | — | 2.5 l |
| Battery & runtime | ||
| Battery capacity | — | 4,000 mAh |
| Charging time | — | 240 min |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 353 mm | 365 mm |
| Length | 353 mm | 365 mm |
| Height | 99 mm | 115 mm |
| Weight | — | 5.5 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant, Apple Siri |
| Matter | — | Yes |
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