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- Roomba s9+ vs Kobold VR300
iRobot Roomba s9+ vs Vorwerk Kobold VR300
What Roomba s9+ does better (5) and where Kobold VR300 wins (0) — every spec side by side.
vs
7.2Cleaning power3.2
5.9Navigation5.6
9.1Base station5.0
8.5Battery4.0
Dimensions
Size comparison
Roomba s9+Kobold VR300
| Roomba s9+ | Kobold VR300 | Difference | |
|---|---|---|---|
| Height | 89 mm | 90 mm | −1 mm |
| Width / diameter | 312 mm | 340 mm | −28 mm |
| Length | 312 mm | 340 mm | −28 mm |
| Weight | 4 kg | 5 kg | −1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba s9+ better than Kobold VR300?
- Base stationAuto-empty dock vs Charging dock
- Runtime120 min vs 90 min+33%
- Charging time60 min vs 180 min3×
- Dustbin (robot)500 ml vs 300 ml+67%
- Noise level65 dB vs 70 dB+8%
Why is Kobold VR300 better than Roomba s9+?
Kobold VR300 has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 500 ml | 300 ml |
| Side brushes | 1 | — |
| Dirt detection | Yes | — |
| Noise level | 65 dB | 70 dB |
| Navigation & obstacles | ||
| Navigation sensors | Cliff sensors | Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | — |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | Yes | — |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Battery & runtime | ||
| Runtime | 120 min | 90 min |
| Charging time | 60 min | 180 min |
| Cleaning area per charge | — | 120 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 312 mm | 340 mm |
| Length | 312 mm | 340 mm |
| Height | 89 mm | 90 mm |
| Weight | 4 kg | 5 kg |
| Colours | — | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | — |
| Remote control | Yes | Yes |
