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- Roomba Plus 575 Combo vs RVM 4 Comfort Extra
iRobot Roomba Plus 575 Combo vs Kärcher RVM 4 Comfort Extra
What Roomba Plus 575 Combo does better (2) and where RVM 4 Comfort Extra wins (2) — every spec side by side.
vs
9.1Cleaning power7.6
6.9Navigation8.6
6.7Mopping7.8
8.5Base station6.8
Dimensions
Size comparison
Roomba Plus 575 ComboRVM 4 Comfort Extra
| Roomba Plus 575 Combo | RVM 4 Comfort Extra | Difference | |
|---|---|---|---|
| Height | 84 mm | 100 mm | −16 mm |
| Width / diameter | 303 mm | 350 mm | −47 mm |
| Length | 303 mm | 350 mm | −47 mm |
| Weight | 2.9 kg | 3.8 kg | −0.9 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Plus 575 Combo better than RVM 4 Comfort Extra?
- Suction power25,000 Pa vs 15,000 Pa+67%
- Height84 mm vs 100 mm+19%
Why is RVM 4 Comfort Extra better than Roomba Plus 575 Combo?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Charging time240 min vs 230 min+4%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 25,000 Pa | 15,000 Pa |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Extending side brush | Yes | — |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| Noise level | — | 66 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | 35 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 | Yes |
| Mop lift height | 10 mm | — |
| Extending mop (edges) | Yes | 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) | — | 2.3 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) | — | 2.5 l |
| Dirty water tank (dock) | — | 3 l |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | — | 160 min |
| Charging time | 240 min | 230 min |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 303 mm | 350 mm |
| Length | 303 mm | 350 mm |
| Height | 84 mm | 100 mm |
| Weight | 2.9 kg | 3.8 kg |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | — |
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