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- Roomba j7+ vs S7+
iRobot Roomba j7+ vs Roborock S7+
What Roomba j7+ does better (3) and where S7+ wins (3) — every spec side by side.
vs
7.7Cleaning power8.4
7.8Navigation7.6
9.1Base station9.1
3.9Battery9.0
Dimensions
Size comparison
Roomba j7+S7+
| Roomba j7+ | S7+ | Difference | |
|---|---|---|---|
| Height | 87 mm | 96 mm | −9 mm |
| Width / diameter | 338 mm | 353 mm | −15 mm |
| Length | 338 mm | 353 mm | −15 mm |
| Weight | 3.4 kg | 4.7 kg | −1.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Roomba j7+ better than S7+?
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Charging time90 min vs 300 min3.3×
- Height87 mm vs 96 mm+10%
Why is S7+ better than Roomba j7+?
- Runtime75 min vs 180 min2.4×
- NavigationCamera (vSLAM) vs Laser (LiDAR)
- Dustbin (robot)400 ml vs 450 ml+12%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 400 ml | 450 ml |
| Main brush | Dual main brushes | — |
| Side brushes | 1 | 1 |
| Dirt detection | Yes | — |
| HEPA filter | — | Yes |
| Noise level | 60 dB | 60 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Laser (LiDAR) |
| Navigation sensors | vSLAM camera, Wall sensor, Cliff sensors | LiDAR laser (LDS), 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 |
| Base station | ||
| Base station | Auto-empty dock | Auto-empty dock |
| Auto-empty dust station | Yes | Yes |
| Mop washing in the dock | Yes | — |
| Battery & runtime | ||
| Runtime | 75 min | 180 min |
| Charging time | 90 min | 300 min |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | 338 mm | 353 mm |
| Length | 338 mm | 353 mm |
| Height | 87 mm | 96 mm |
| Weight | 3.4 kg | 4.7 kg |
| Shape | Round | Round |
| Colours | Black, Silver, Grey | — |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant, Apple Siri |
| Remote control | — | Yes |
