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- S7 Pro Ultra vs S8 Pro Ultra
Roborock S7 Pro Ultra vs Roborock S8 Pro Ultra
What S7 Pro Ultra does better (5) and where S8 Pro Ultra wins (5) — every spec side by side.
vs
6.4Navigation6.7
5.9Base station9.2
2.6Battery6.5
Why is S7 Pro Ultra better than S8 Pro Ultra?
- Obstacle avoidanceAI camera vs Basic sensors (infrared / bumper)
- Water tank (robot)300 ml vs 200 ml+50%
- Dustbin (robot)450 ml vs 350 ml+29%
- Charging time300 min vs 360 min+20%
- Noise level60 dB vs 67 dB+12%
Why is S8 Pro Ultra better than S7 Pro Ultra?
- NavigationCamera (vSLAM) vs Laser (LiDAR)
- Runtime110 min vs 180 min+64%
- Base stationAuto-empty dock vs All-in-one dock (empty + wash)
- Cleaning area per charge100 m² vs 300 m²3×
- Threshold climbing20 mm vs 22 mm+10%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | — | 4,000 Pa |
| Dustbin (robot) | 450 ml | 350 ml |
| Main brush | Single main brush | Dual main brushes |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| HEPA filter | Yes | — |
| Noise level | 60 dB | 67 dB |
| Navigation & obstacles | ||
| Navigation | Camera (vSLAM) | Laser (LiDAR) |
| Navigation sensors | vSLAM camera, Ultrasonic sensor | LiDAR laser (LDS) |
| Obstacle avoidance | AI camera | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 22 mm |
| No-go zones / virtual walls | — | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | — | Vibrating / sonic mop |
| Mop lifting on carpets | — | Yes |
| Mop lift height | — | 5 mm |
| Water tank (robot) | 300 ml | 200 ml |
| Base station | ||
| Base station | Auto-empty dock | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Mop washing in the dock | Yes | Yes |
| Hot-air mop drying | — | Yes |
| Automatic water refill | — | Yes |
| Battery & runtime | ||
| Battery capacity | — | 5,200 mAh |
| Runtime | 110 min | 180 min |
| Charging time | 300 min | 360 min |
| Cleaning area per charge | 100 m² | 300 m² |
| Recharge & resume | — | Yes |
| Size & weight | ||
| Width / diameter | — | 350 mm |
| Length | — | 350 mm |
| Height | — | 96 mm |
| Shape | — | Round |
| Colours | White | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Remote control | Yes | Yes |
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