- brandnew.uk.com
- Compare
- S7 Pro Ultra vs S9
Roborock S7 Pro Ultra vs Viomi S9
What S7 Pro Ultra does better (4) and where S9 wins (1) — every spec side by side.
vs
6.5Navigation7.2
5.9Base station3.5
Why is S7 Pro Ultra better than S9?
- Base stationAuto-empty dock vs Charging dock
- Dustbin (robot)450 ml vs 300 ml+50%
- Water tank (robot)300 ml vs 250 ml+20%
- Charging time300 min vs 360 min+20%
Why is S9 better than S7 Pro Ultra?
- NavigationCamera (vSLAM) vs Laser (LiDAR)
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 450 ml | 300 ml |
| Main brush | Single main brush | — |
| Side brushes | 1 | — |
| HEPA filter | Yes | — |
| Noise level | 60 dB | — |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Laser (LiDAR) |
| Navigation sensors | vSLAM camera, Ultrasonic sensor | LiDAR laser (LDS) |
| Obstacle avoidance | AI camera | — |
| Threshold climbing | 20 mm | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Water tank (robot) | 300 ml | 250 ml |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Mop washing in the dock | Yes | — |
| Battery & runtime | ||
| Runtime | 110 min | — |
| Charging time | 300 min | 360 min |
| Cleaning area per charge | 100 m² | — |
| Size & weight | ||
| Shape | — | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | — |
| Remote control | Yes | — |
Related comparisons
vs
Roborock S8 Pro UltravsRoborock S7 Pro Ultra
6.85.3
vs
iRobot Roomba Combo j7+vsRoborock S7 Pro Ultra
5.45.3
vs
Roborock S7 Pro UltravsXiaomi Mi Robot Vacuum Mop 2 Pro
5.35.3
vs
Grundig VCR 6230vsRoborock S7 Pro Ultra
4.75.3
vs
Dreame L10 ProvsViomi S9
5.55.3
vs
eufy RoboVac X8 HybridvsViomi S9
5.15.3