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- BCRDW3B Spotless Max vs RS20 Max
Bosch BCRDW3B Spotless Max vs EZVIZ RS20 Max
What BCRDW3B Spotless Max does better (0) and where RS20 Max wins (5) — every spec side by side.
vs
6.4Cleaning power7.3
5.0Navigation7.6
7.2Mopping7.9
7.5Base station9.2
Dimensions
Size comparison
BCRDW3B Spotless MaxRS20 Max
| BCRDW3B Spotless Max | RS20 Max | Difference | |
|---|---|---|---|
| Height | 99 mm | 101 mm | −2 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 RS20 Max?
BCRDW3B Spotless Max has no measurable advantages in this pair.
Why is RS20 Max better than BCRDW3B Spotless Max?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Suction power11,000 Pa vs 13,000 Pa+18%
- Water tank (robot)55 ml vs 100 ml+82%
- Dust bag (dock)3 l vs 5 l+67%
- Dustbin (robot)275 ml vs 350 ml+27%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 11,000 Pa | 13,000 Pa |
| Dustbin (robot) | 275 ml | 350 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 2 |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | Yes |
| Noise level | — | 65 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| 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 | Rotating mop pads |
| Mop lifting on carpets | Yes | — |
| Automatic mop removal | — | Yes |
| Extending mop (edges) | Yes | — |
| Water tank (robot) | 55 ml | 100 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 | 5 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | — | 5 l |
| Dirty water tank (dock) | — | 4.2 l |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | — | 190 min |
| Charging time | — | 180 min |
| Cleaning area per charge | — | 300 m² |
| Size & weight | ||
| Width / diameter | 353 mm | 365 mm |
| Length | 353 mm | 365 mm |
| Height | 99 mm | 101 mm |
| Weight | — | 4 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant, Apple Siri |
| Live camera view / video call | — | Yes |
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