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- Electrolux RX9-2-4STN vs Kobold VR7
AEG Electrolux RX9-2-4STN vs Vorwerk Kobold VR7
What Electrolux RX9-2-4STN does better (4) and where Kobold VR7 wins (1) — every spec side by side.
vs
6.3Cleaning power4.3
9.4Navigation3.1
4.9Base station4.9
2.6Battery8.0
Why is Electrolux RX9-2-4STN better than Kobold VR7?
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Dustbin (robot)700 ml vs 500 ml+40%
- Charging time150 min vs 210 min+40%
- Noise level75 dB vs 80 dB+7%
Why is Kobold VR7 better than Electrolux RX9-2-4STN?
- Runtime70 min vs 120 min+71%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 700 ml | 500 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| Noise level | 75 dB | 80 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), 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 | Charging dock | Charging dock |
| Battery & runtime | ||
| Battery capacity | 2,500 mAh | — |
| Runtime | 70 min | 120 min |
| Charging time | 150 min | 210 min |
| Cleaning area per charge | 100 m² | — |
| Size & weight | ||
| Width / diameter | 325 mm | — |
| Length | 325 mm | — |
| Height | 85 mm | — |
| Weight | 2.5 kg | 5 kg |
| Shape | Round | — |
| Colours | Blue | White |
| App & smart home | ||
| App control | Yes | Yes |
