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- Roomba 115 Combo vs RVC 3
iRobot Roomba 115 Combo vs Kärcher RVC 3
What Roomba 115 Combo does better (1) and where RVC 3 wins (0) — every spec side by side.
vs
8.1Cleaning power7.9
4.3Navigation4.3
5.4Mopping4.4
Dimensions
Size comparison
Roomba 115 ComboRVC 3
| Roomba 115 Combo | RVC 3 | Difference | |
|---|---|---|---|
| Height | 79 mm | 97 mm | −18 mm |
| Width / diameter | 303 mm | 330 mm | −27 mm |
| Length | 303 mm | 330 mm | −27 mm |
| Weight | 2.2 kg | 2.8 kg | −0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba 115 Combo better than RVC 3?
- Height79 mm vs 97 mm+23%
Why is RVC 3 better than Roomba 115 Combo?
RVC 3 has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 15,000 Pa | 15,000 Pa |
| Dustbin (robot) | — | 520 ml |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | Yes | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | Yes | Yes |
| Noise level | — | 67 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) |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Mop pad |
| Extending mop (edges) | Yes | — |
| Water tank (robot) | — | 280 ml |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Dust bag (dock) | 2.5 l | — |
| Battery & runtime | ||
| Battery capacity | 2,600 mAh | 2,600 mAh |
| Runtime | — | 130 min |
| Charging time | — | 230 min |
| Size & weight | ||
| Width / diameter | 303 mm | 330 mm |
| Length | 303 mm | 330 mm |
| Height | 79 mm | 97 mm |
| Weight | 2.2 kg | 2.8 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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