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- Roomba Combo i8+ vs Robot Vacuum X20+
iRobot Roomba Combo i8+ vs Xiaomi Robot Vacuum X20+
What Roomba Combo i8+ does better (3) and where Robot Vacuum X20+ wins (4) — every spec side by side.
vs
3.3Mopping5.8
3.4Battery4.0
Dimensions
Size comparison
Roomba Combo i8+Robot Vacuum X20+
| Roomba Combo i8+ | Robot Vacuum X20+ | Difference | |
|---|---|---|---|
| Height | 93 mm | 97 mm | −4 mm |
| Width / diameter | 342 mm | 350 mm | −8 mm |
| Length | 342 mm | 350 mm | −8 mm |
| Weight | 3.4 kg | 3.7 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba Combo i8+ better than Robot Vacuum X20+?
- Charging time180 min vs 390 min2.2×
- Height93 mm vs 97 mm+4%
- Dustbin (robot)360 ml vs 350 ml+3%
Why is Robot Vacuum X20+ better than Roomba Combo i8+?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Mop typeMop pad vs Rotating mop pads
- 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 | — | 6,000 Pa |
| Dustbin (robot) | 360 ml | 350 ml |
| Main brush | Dual main brushes | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| Dirt detection | Yes | — |
| HEPA filter | — | Yes |
| Noise level | — | 60 dB |
| Navigation & obstacles | ||
| Navigation | — | Laser (LiDAR) |
| Navigation sensors | — | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Room mapping & room selection | — | Yes |
| Mopping | ||
| Mop type | Mop pad | Rotating mop pads |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 7 mm |
| 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 |
| Clean water tank (dock) | — | 4 l |
| Dirty water tank (dock) | — | 4 l |
| Battery & runtime | ||
| Battery capacity | — | 4,800 mAh |
| Runtime | 75 min | 120 min |
| Charging time | 180 min | 390 min |
| Cleaning area per charge | — | 180 m² |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 342 mm | 350 mm |
| Length | 342 mm | 350 mm |
| Height | 93 mm | 97 mm |
| Weight | 3.4 kg | 3.7 kg |
| Shape | Round | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant |
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