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- L20 Ultra vs S6 Pure
Dreame L20 Ultra vs Roborock S6 Pure
What L20 Ultra does better (3) and where S6 Pure wins (3) — every spec side by side.
Why is L20 Ultra better than S6 Pure?
- Obstacle avoidanceAI camera + 3D structured light vs Basic sensors (infrared / bumper)
- Base stationAll-in-one dock (empty + wash) vs Charging dock
- Charging time270 min vs 360 min+33%
Why is S6 Pure better than L20 Ultra?
- Water tank (robot)80 ml vs 140 ml+75%
- Dustbin (robot)300 ml vs 450 ml+50%
- Noise level63 dB vs 60 dB+5%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 7,000 Pa | — |
| Dustbin (robot) | 300 ml | 450 ml |
| Main brush | Single main brush | — |
| Side brushes | 1 | — |
| Carpet detection | Yes | — |
| Dirt detection | Yes | — |
| HEPA filter | Yes | Yes |
| Noise level | 63 dB | 60 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | AI camera + 3D structured light | Basic sensors (infrared / bumper) |
| Threshold climbing | — | 20 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | — |
| Automatic mop removal | Yes | — |
| Extending mop (edges) | Yes | — |
| Water tank (robot) | 80 ml | 140 ml |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 3.2 l | — |
| Mop washing in the dock | Yes | — |
| Hot-air mop drying | Yes | — |
| Automatic water refill | Yes | — |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 4.5 l | — |
| Dirty water tank (dock) | 4 l | — |
| Battery & runtime | ||
| Battery capacity | 6,400 mAh | — |
| Runtime | 260 min | — |
| Charging time | 270 min | 360 min |
| Size & weight | ||
| Width / diameter | 350 mm | — |
| Length | 350 mm | — |
| Height | 104 mm | — |
| Weight | 4.3 kg | — |
| Shape | Round | — |
| Colours | White | — |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant, Apple Siri |
| Remote control | Yes | Yes |
