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- Roomba i7558 vs Roomba s9+
iRobot Roomba i7558 vs iRobot Roomba s9+
What Roomba i7558 does better (0) and where Roomba s9+ wins (4) — every spec side by side.
vs
5.2Cleaning power7.2
3.2Navigation5.9
5.0Base station9.1
2.4Battery8.5
Dimensions
Size comparison
Roomba i7558Roomba s9+
| Roomba i7558 | Roomba s9+ | Difference | |
|---|---|---|---|
| Height | 93 mm | 89 mm | +4 mm |
| Width / diameter | 340 mm | 312 mm | +28 mm |
| Length | 340 mm | 312 mm | +28 mm |
| Weight | 3.4 kg | 4 kg | −0.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba i7558 better than Roomba s9+?
Roomba i7558 has no measurable advantages in this pair.
Why is Roomba s9+ better than Roomba i7558?
- Runtime75 min vs 120 min+60%
- Base stationCharging dock vs Auto-empty dock
- Height93 mm vs 89 mm+4%
- Dustbin (robot)400 ml vs 500 ml+25%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 400 ml | 500 ml |
| Side brushes | — | 1 |
| Dirt detection | — | Yes |
| Noise level | — | 65 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | — |
| Navigation sensors | vSLAM camera | Cliff sensors |
| Obstacle avoidance | — | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Base station | ||
| Base station | Charging dock | Auto-empty dock |
| Auto-empty dust station | — | Yes |
| Battery & runtime | ||
| Runtime | 75 min | 120 min |
| Charging time | — | 60 min |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 340 mm | 312 mm |
| Length | 340 mm | 312 mm |
| Height | 93 mm | 89 mm |
| Weight | 3.4 kg | 4 kg |
| Shape | Round | — |
| Colours | Grey | — |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
| Remote control | — | Yes |
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