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- Roomba j7+ vs Kobold VR7
iRobot Roomba j7+ vs Vorwerk Kobold VR7
What Roomba j7+ does better (4) and where Kobold VR7 wins (3) — every spec side by side.
vs
7.5Cleaning power4.3
8.0Navigation3.1
9.1Base station4.9
3.7Battery8.0
Why is Roomba j7+ better than Kobold VR7?
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Base stationAuto-empty dock vs Charging dock
- Charging time90 min vs 210 min2.3×
- Noise level60 dB vs 80 dB+33%
Why is Kobold VR7 better than Roomba j7+?
- NavigationCamera (vSLAM) vs Laser (LiDAR)
- Runtime75 min vs 120 min+60%
- Dustbin (robot)400 ml vs 500 ml+25%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 400 ml | 500 ml |
| Main brush | Dual main brushes | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| Dirt detection | Yes | — |
| Noise level | 60 dB | 80 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Laser (LiDAR) |
| Navigation sensors | vSLAM camera, Wall sensor, Cliff sensors | LiDAR laser (LDS) |
| Obstacle avoidance | AI camera | Basic sensors (infrared / bumper) |
| Threshold climbing | — | 15 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Mop washing in the dock | Yes | — |
| Battery & runtime | ||
| Runtime | 75 min | 120 min |
| Charging time | 90 min | 210 min |
| Size & weight | ||
| Width / diameter | 338 mm | — |
| Length | 338 mm | — |
| Height | 87 mm | — |
| Weight | 3.4 kg | 5 kg |
| Shape | Round | — |
| Colours | Black, Silver, Grey | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | — |
