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- Roomba Combo j7+ vs S7 MaxV
iRobot Roomba Combo j7+ vs Roborock S7 MaxV
What Roomba Combo j7+ does better (3) and where S7 MaxV wins (3) — every spec side by side.
vs
4.8Navigation8.2
2.3Mopping6.2
4.1Battery6.7
Dimensions
Size comparison
Roomba Combo j7+S7 MaxV
| Roomba Combo j7+ | S7 MaxV | Difference | |
|---|---|---|---|
| Height | 87 mm | 97 mm | −10 mm |
| Width / diameter | 338 mm | 353 mm | −15 mm |
| Length | 338 mm | 353 mm | −15 mm |
| Weight | 3.4 kg | 4.6 kg | −1.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Combo j7+ better than S7 MaxV?
- Base stationAuto-empty dock vs Charging dock
- Charging time90 min vs 360 min4×
- Height87 mm vs 97 mm+11%
Why is S7 MaxV better than Roomba Combo j7+?
- Runtime75 min vs 180 min2.4×
- NavigationCamera (vSLAM) vs Laser (LiDAR)
- Mop typeMop pad vs Vibrating / sonic mop
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 5,100 Pa |
| Dustbin (robot) | — | 400 ml |
| Main brush | Dual main brushes | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| Dirt detection | Yes | — |
| HEPA filter | — | Yes |
| Noise level | — | 67 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Laser (LiDAR) |
| Navigation sensors | vSLAM camera, Wall sensor, Cliff sensors | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | AI camera | AI camera |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Vibrating / sonic mop |
| Water tank (robot) | — | 200 ml |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | 75 min | 180 min |
| Charging time | 90 min | 360 min |
| Cleaning area per charge | — | 300 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 338 mm | 353 mm |
| Length | 338 mm | 353 mm |
| Height | 87 mm | 97 mm |
| Weight | 3.4 kg | 4.6 kg |
| Shape | Round | Round |
| Colours | Black, Silver, Grey | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa |
| Remote control | — | Yes |
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