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- Roomba i7 vs Kobold VR300
iRobot Roomba i7 vs Vorwerk Kobold VR300
What Roomba i7 does better (3) and where Kobold VR300 wins (2) — every spec side by side.
vs
5.9Cleaning power3.2
3.1Navigation5.6
5.0Base station5.0
4.8Battery4.0
Dimensions
Size comparison
Roomba i7Kobold VR300
| Roomba i7 | Kobold VR300 | Difference | |
|---|---|---|---|
| Height | 93 mm | 90 mm | +3 mm |
| Width / diameter | 340 mm | 340 mm | = |
| Length | 340 mm | 340 mm | = |
| Weight | 3.4 kg | 5 kg | −1.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba i7 better than Kobold VR300?
- Charging time90 min vs 180 min2×
- Dustbin (robot)400 ml vs 300 ml+33%
- Noise level65 dB vs 70 dB+8%
Why is Kobold VR300 better than Roomba i7?
- Runtime75 min vs 90 min+20%
- Height93 mm vs 90 mm+3%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 400 ml | 300 ml |
| Side brushes | 1 | — |
| Dirt detection | Yes | — |
| Noise level | 65 dB | 70 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | — |
| Navigation sensors | vSLAM camera | Cliff sensors |
| Obstacle avoidance | — | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | — |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | Yes | — |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Runtime | 75 min | 90 min |
| Charging time | 90 min | 180 min |
| Cleaning area per charge | — | 120 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 340 mm | 340 mm |
| Length | 340 mm | 340 mm |
| Height | 93 mm | 90 mm |
| Weight | 3.4 kg | 5 kg |
| Shape | Round | — |
| Colours | Grey | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | — |
| Remote control | — | Yes |
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