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- Roomba j7 j7156 vs S8+
iRobot Roomba j7 j7156 vs Roborock S8+
What Roomba j7 j7156 does better (0) and where S8+ wins (2) — every spec side by side.
vs
3.5Base station5.4
Why is Roomba j7 j7156 better than S8+?
Roomba j7 j7156 has no measurable advantages in this pair.
Why is S8+ better than Roomba j7 j7156?
- Base stationCharging dock vs Auto-empty dock
- Dustbin (robot)400 ml vs 470 ml+18%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 2,500 Pa |
| Dustbin (robot) | 400 ml | 470 ml |
| Main brush | — | Single main brush |
| Side brushes | — | 1 |
| Carpet detection | — | Yes |
| Noise level | — | 67 dB |
| Navigation & obstacles | ||
| Navigation | — | Laser (LiDAR) |
| Navigation sensors | — | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | — | Basic sensors (infrared / bumper) |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | — | Yes |
| Mopping | ||
| Mop type | — | Vibrating / sonic mop |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 5 mm |
| Water tank (robot) | — | 300 ml |
| Base station | ||
| Base station | Charging dock | Auto-empty dock |
| Auto-empty dust station | — | Yes |
| Dust bag (dock) | — | 2.5 l |
| Mop washing in the dock | — | Yes |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | — | 180 min |
| Charging time | 360 min | 360 min |
| Cleaning area per charge | — | 200 m² |
| Size & weight | ||
| Width / diameter | — | 353 mm |
| Length | — | 353 mm |
| Height | — | 97 mm |
| Weight | — | 4.7 kg |
| Shape | Round | Round |
| Colours | Grey | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant, Apple Siri |
