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- Roomba Combo j9+ vs Qrevo Curv 5A1
iRobot Roomba Combo j9+ vs Roborock Qrevo Curv 5A1
What Roomba Combo j9+ does better (2) and where Qrevo Curv 5A1 wins (3) — every spec side by side.
vs
2.6Navigation4.3
5.0Mopping8.2
5.3Base station8.2
5.9Battery4.0
Dimensions
Size comparison
Roomba Combo j9+Qrevo Curv 5A1
| Roomba Combo j9+ | Qrevo Curv 5A1 | Difference | |
|---|---|---|---|
| Height | 87 mm | 103 mm | −16 mm |
| Width / diameter | 348 mm | 352 mm | −4 mm |
| Length | 348 mm | 352 mm | −4 mm |
| Weight | 4.1 kg | 4 kg | +0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Combo j9+ better than Qrevo Curv 5A1?
- Height87 mm vs 103 mm+18%
- Charging time180 min vs 240 min+33%
Why is Qrevo Curv 5A1 better than Roomba Combo j9+?
- Mop typeMop pad vs Rotating mop pads
- Base stationAuto-empty dock vs All-in-one dock (empty + wash)
- Clean water tank (dock)3 l vs 4 l+33%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 18,500 Pa |
| Dustbin (robot) | 313 ml | — |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Extending side brush | — | Yes |
| Carpet detection | Yes | — |
| Dirt detection | Yes | — |
| Noise level | — | 61 dB |
| Navigation & obstacles | ||
| Navigation | — | Laser (LiDAR) |
| Navigation sensors | Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Mop pad | Rotating mop pads |
| Mop lifting on carpets | Yes | — |
| Extending mop (edges) | — | Yes |
| Water tank (robot) | 210 ml | — |
| Base station | ||
| Base station | Auto-empty dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Mop washing in the dock | — | Yes |
| Hot-water mop washing | — | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 3 l | 4 l |
| Battery & runtime | ||
| Battery capacity | 4,500 mAh | — |
| Runtime | — | 55 min |
| Charging time | 180 min | 240 min |
| Cleaning area per charge | — | 300 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 348 mm | 352 mm |
| Length | 348 mm | 352 mm |
| Height | 87 mm | 103 mm |
| Weight | 4.1 kg | 4 kg |
| Shape | Round | Round |
| Colours | Black, Gold | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant |
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