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- L40s Pro Ultra vs S8 MaxV Ultra
Dreame L40s Pro Ultra vs Roborock S8 MaxV Ultra
What L40s Pro Ultra does better (7) and where S8 MaxV Ultra wins (3) — every spec side by side.
vs
6.7Cleaning power5.5
9.1Navigation7.6
7.1Mopping7.7
8.2Base station5.4
7.4Battery7.4
Dimensions
Size comparison
L40s Pro UltraS8 MaxV Ultra
| L40s Pro Ultra | S8 MaxV Ultra | Difference | |
|---|---|---|---|
| Height | 104 mm | 103 mm | +1 mm |
| Width / diameter | 350 mm | 353 mm | −3 mm |
| Length | 350 mm | 353 mm | −3 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is L40s Pro Ultra better than S8 MaxV Ultra?
- Mop typeRotating mop pads vs Vibrating / sonic mop
- Suction power19,000 Pa vs 10,000 Pa+90%
- Threshold climbing40 mm vs 20 mm2×
- Dust bag (dock)3.2 l vs 2.5 l+28%
- Charging time210 min vs 240 min+14%
- Clean water tank (dock)4.5 l vs 4 l+12%
- Dustbin (robot)300 ml vs 270 ml+11%
Why is S8 MaxV Ultra better than L40s Pro Ultra?
- Mop lift height10.5 mm vs 20 mm+90%
- Water tank (robot)80 ml vs 100 ml+25%
- Noise level74 dB vs 67 dB+10%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 19,000 Pa | 10,000 Pa |
| Dustbin (robot) | 300 ml | 270 ml |
| Main brush | Dual main brushes | Dual main brushes |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Extending side brush | Yes | Yes |
| Carpet detection | Yes | Yes |
| Dirt detection | Yes | Yes |
| Noise level | 74 dB | 67 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors, Ultrasonic sensor | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | 40 mm | 20 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Vibrating / sonic mop |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 10.5 mm | 20 mm |
| Extending mop (edges) | Yes | Yes |
| Water tank (robot) | 80 ml | 100 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 | 2.5 l |
| Mop washing in the dock | Yes | Yes |
| Hot-water mop washing | Yes | Yes |
| Hot-air mop drying | Yes | Yes |
| Automatic water refill | Yes | Yes |
| Plumbed water connection | Yes | — |
| Clean water tank (dock) | 4.5 l | 4 l |
| Dirty water tank (dock) | 4 l | — |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 180 min | 180 min |
| Charging time | 210 min | 240 min |
| Cleaning area per charge | — | 300 m² |
| Recharge & resume | Yes | Yes |
| Size & weight | ||
| Width / diameter | 350 mm | 353 mm |
| Length | 350 mm | 353 mm |
| Height | 104 mm | 103 mm |
| Weight | 4.2 kg | — |
| Shape | Round | Round |
| Colours | White, Gold | Black |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | Amazon Alexa, Google Assistant, Apple Siri |
| Live camera view / video call | Yes | Yes |
| Remote control | — | Yes |
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