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- Roomba i7 vs Robocleaner RC 3 Premium
iRobot Roomba i7 vs Kärcher Robocleaner RC 3 Premium
What Roomba i7 does better (3) and where Robocleaner RC 3 Premium wins (2) — every spec side by side.
vs
5.9Cleaning power3.4
3.1Navigation9.6
5.0Base station5.0
4.8Battery3.2
Why is Roomba i7 better than Robocleaner RC 3 Premium?
- Charging time90 min vs 360 min4×
- Dustbin (robot)400 ml vs 350 ml+14%
- Noise level65 dB vs 71 dB+9%
Why is Robocleaner RC 3 Premium better than Roomba i7?
- NavigationCamera (vSLAM) vs Laser (LiDAR)
- Runtime75 min vs 90 min+20%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 400 ml | 350 ml |
| Side brushes | 1 | — |
| Dirt detection | Yes | — |
| Noise level | 65 dB | 71 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Laser (LiDAR) |
| Navigation sensors | vSLAM camera | LiDAR laser (LDS) |
| Obstacle avoidance | — | AI camera |
| Threshold climbing | 20 mm | — |
| Room mapping & room selection | Yes | Yes |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Runtime | 75 min | 90 min |
| Charging time | 90 min | 360 min |
| Cleaning area per charge | — | 160 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 340 mm | — |
| Length | 340 mm | — |
| Height | 93 mm | — |
| Weight | 3.4 kg | 3.6 kg |
| Shape | Round | Round |
| Colours | Grey | White |
| App & smart home | ||
| App control | Yes | — |
| Voice assistants | Amazon Alexa, Google Assistant | — |
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