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- L50s Pro Ultra vs RVM 4 Comfort Extra
Dreame L50s Pro Ultra vs Kärcher RVM 4 Comfort Extra
What L50s Pro Ultra does better (5) and where RVM 4 Comfort Extra wins (2) — every spec side by side.
vs
7.4Cleaning power7.7
9.1Navigation8.5
7.1Mopping7.8
8.2Base station4.6
6.8Battery6.6
Dimensions
Size comparison
L50s Pro UltraRVM 4 Comfort Extra
| L50s Pro Ultra | RVM 4 Comfort Extra | Difference | |
|---|---|---|---|
| Height | 104 mm | 100 mm | +4 mm |
| Width / diameter | 350 mm | 350 mm | = |
| Length | 350 mm | 350 mm | = |
| Weight | 4 kg | 3.8 kg | +0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is L50s Pro Ultra better than RVM 4 Comfort Extra?
- Suction power30,000 Pa vs 15,000 Pa2×
- Runtime171 min vs 160 min+7%
- Clean water tank (dock)4.5 l vs 2.5 l+80%
- Dust bag (dock)3.2 l vs 2.3 l+39%
- Charging time210 min vs 230 min+10%
Why is RVM 4 Comfort Extra better than L50s Pro Ultra?
- Height104 mm vs 100 mm+4%
- Noise level75 dB vs 66 dB+14%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 30,000 Pa | 15,000 Pa |
| Dustbin (robot) | 250 ml | — |
| Main brush | Dual main brushes | Single main brush |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | 1 |
| Extending side brush | Yes | — |
| Carpet detection | Yes | Yes |
| HEPA filter | Yes | — |
| Noise level | 75 dB | 66 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Wall sensor, Cliff sensors, Ultrasonic sensor |
| Obstacle avoidance | AI camera | AI camera |
| Threshold climbing | 40 mm | — |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | Rotating mop pads | Rotating mop pads |
| Mop lifting on carpets | Yes | Yes |
| Mop lift height | 10.5 mm | — |
| 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 | 2.3 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 | 2.5 l |
| Dirty water tank (dock) | 4 l | 3 l |
| Battery & runtime | ||
| Battery capacity | 5,200 mAh | 5,200 mAh |
| Runtime | 171 min | 160 min |
| Charging time | 210 min | 230 min |
| Size & weight | ||
| Width / diameter | 350 mm | 350 mm |
| Length | 350 mm | 350 mm |
| Height | 104 mm | 100 mm |
| Weight | 4 kg | 3.8 kg |
| Shape | Round | Round |
| Colours | White | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | — |
| Matter | Yes | — |
| Live camera view / video call | Yes | — |
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