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- S1 Pro vs Roomba Combo j9+
eufy S1 Pro vs iRobot Roomba Combo j9+
What S1 Pro does better (5) and where Roomba Combo j9+ wins (3) — every spec side by side.
vs
7.6Navigation2.6
9.6Mopping5.0
5.0Base station2.7
8.2Battery5.8
Dimensions
Size comparison
S1 ProRoomba Combo j9+
| S1 Pro | Roomba Combo j9+ | Difference | |
|---|---|---|---|
| Height | 96 mm | 87 mm | +9 mm |
| Width / diameter | 347 mm | 348 mm | −1 mm |
| Length | 347 mm | 348 mm | −1 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is S1 Pro better than Roomba Combo j9+?
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Mop typeRoller mop vs Mop pad
- Base stationAll-in-one dock (empty + wash) vs Auto-empty dock
- Battery capacity5,200 mAh vs 4,500 mAh+16%
- Water tank (robot)240 ml vs 210 ml+14%
Why is Roomba Combo j9+ better than S1 Pro?
- Height96 mm vs 87 mm+10%
- Charging time240 min vs 180 min+33%
- Dustbin (robot)250 ml vs 313 ml+25%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 8,000 Pa | — |
| Dustbin (robot) | 250 ml | 313 ml |
| Main brush | Single main brush | Dual main brushes |
| Side brushes | 2 | 1 |
| Carpet detection | Yes | Yes |
| Dirt detection | — | Yes |
| Noise level | 60 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | — |
| Navigation sensors | LiDAR laser (LDS), dToF laser, Cliff sensors | Cliff sensors |
| Obstacle avoidance | AI camera | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | — |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Roller mop | Mop pad |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 12 mm | — |
| Water tank (robot) | 240 ml | 210 ml |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | Auto-empty dock |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 2.5 l | — |
| Mop washing in the dock | Yes | — |
| Hot-air mop drying | Yes | — |
| Automatic water refill | Yes | Yes |
| Clean water tank (dock) | 3 l | 3 l |
| Dirty water tank (dock) | 2 l | — |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 4,500 mAh |
| Runtime | 216 min | — |
| Charging time | 240 min | 180 min |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 347 mm | 348 mm |
| Length | 347 mm | 348 mm |
| Height | 96 mm | 87 mm |
| Weight | — | 4.1 kg |
| Shape | Round | Round |
| Colours | Black | Black, Gold |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant, Apple Siri |
