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- Roomba Combo j5+ vs Robot Vacuum X20 Max
iRobot Roomba Combo j5+ vs Xiaomi Robot Vacuum X20 Max
What Roomba Combo j5+ does better (2) and where Robot Vacuum X20 Max wins (5) — every spec side by side.
vs
4.8Navigation8.2
3.3Mopping6.6
3.0Battery4.6
Dimensions
Size comparison
Roomba Combo j5+Robot Vacuum X20 Max
| Roomba Combo j5+ | Robot Vacuum X20 Max | Difference | |
|---|---|---|---|
| Height | 87 mm | 97 mm | −10 mm |
| Width / diameter | 339 mm | 350 mm | −11 mm |
| Length | 339 mm | 350 mm | −11 mm |
| Weight | 3.4 kg | 3.9 kg | −0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Combo j5+ better than Robot Vacuum X20 Max?
- Charging time180 min vs 360 min2×
- Height87 mm vs 97 mm+11%
Why is Robot Vacuum X20 Max better than Roomba Combo j5+?
- NavigationCamera (vSLAM) vs Laser (LiDAR)
- Mop typeMop pad vs Rotating mop pads
- Battery capacity2,200 mAh vs 5,200 mAh2.4×
- Runtime75 min vs 120 min+60%
- Base stationAuto-empty dock vs All-in-one dock (empty + wash)
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 8,000 Pa |
| Dustbin (robot) | 389 ml | — |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| Dirt detection | Yes | — |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Laser (LiDAR) |
| Navigation sensors | vSLAM camera, Wall sensor, Cliff sensors | LiDAR laser (LDS), Wall sensor, 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 | Rotating mop pads |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 10 mm |
| 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 |
| Dust bag (dock) | — | 2.5 l |
| Mop washing in the dock | — | Yes |
| Hot-water mop washing | — | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | — | Yes |
| Clean water tank (dock) | — | 4 l |
| Dirty water tank (dock) | — | 3.8 l |
| Battery & runtime | ||
| Battery capacity | 2,200 mAh | 5,200 mAh |
| Runtime | 75 min | 120 min |
| Charging time | 180 min | 360 min |
| Cleaning area per charge | — | 200 m² |
| Recharge & resume | Yes | — |
| Size & weight | ||
| Width / diameter | 339 mm | 350 mm |
| Length | 339 mm | 350 mm |
| Height | 87 mm | 97 mm |
| Weight | 3.4 kg | 3.9 kg |
| Shape | Round | Round |
| Colours | Black, Silver | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant |
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