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- L20 Ultra vs Spot+Scrub AI
Dreame L20 Ultra vs Dyson Spot+Scrub AI
What L20 Ultra does better (6) and where Spot+Scrub AI wins (3) — every spec side by side.
vs
5.5Cleaning power8.5
9.5Navigation8.2
7.2Mopping9.2
9.1Base station4.9
9.5Battery7.6
Dimensions
Size comparison
L20 UltraSpot+Scrub AI
| L20 Ultra | Spot+Scrub AI | Difference | |
|---|---|---|---|
| Height | 104 mm | 110 mm | −6 mm |
| Width / diameter | 350 mm | 373 mm | −23 mm |
| Length | 350 mm | 373 mm | −23 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is L20 Ultra better than Spot+Scrub AI?
- Obstacle avoidanceAI camera + 3D structured light vs AI camera
- Runtime260 min vs 200 min+30%
- Battery capacity6,400 mAh vs 5,000 mAh+28%
- Clean water tank (dock)4.5 l vs 2.3 l+98%
- Height104 mm vs 110 mm+6%
- Dust bag (dock)3.2 l vs 3 l+7%
Why is Spot+Scrub AI better than L20 Ultra?
- Suction power7,000 Pa vs 18,000 Pa2.6×
- Mop typeRotating mop pads vs Roller mop
- Charging time270 min vs 180 min+50%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 7,000 Pa | 18,000 Pa |
| Dustbin (robot) | 300 ml | — |
| Main brush | Single main brush | Single main brush |
| Anti-tangle brush | — | Yes |
| Side brushes | 1 | 2 |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | — |
| HEPA filter | Yes | — |
| Noise level | 63 dB | — |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Wall sensor | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | AI camera + 3D structured light | AI camera |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Roller mop |
| Mop lifting on carpets | — | Yes |
| Automatic mop removal | Yes | — |
| Extending mop (edges) | Yes | Yes |
| Water tank (robot) | 80 ml | — |
| Base station | ||
| Base station | All-in-one dock (empty + wash) | All-in-one dock (empty + wash) |
| Auto-empty dust station | Yes | Yes |
| Dust bag (dock) | 3.2 l | 3 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | — | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 4.5 l | 2.3 l |
| Dirty water tank (dock) | 4 l | 2.3 l |
| Battery & runtime | ||
| Battery capacity | 6,400 mAh | 5,000 mAh |
| Runtime | 260 min | 200 min |
| Charging time | 270 min | 180 min |
| Size & weight | ||
| Width / diameter | 350 mm | 373 mm |
| Length | 350 mm | 373 mm |
| Height | 104 mm | 110 mm |
| Weight | 4.3 kg | — |
| Shape | Round | Round |
| Colours | White | Black, Blue |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant, Apple Siri |
| Remote control | Yes | — |
