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Dreame L40 Ultra AE vs. Dreame L50s Pro Ultra compared
Robot Vacuum
At a glance
The key numbers for both devices side by side.
Overall rating
6969Solide
7070Solide
Value for money
57Okay
43Okay
Best price
€399.00
€692.70€749.00−8 %
Price advantage
€293.70 cheaper
—
Offers
1 shop
1 shop
Rank in category
Rank 56 of 78
Rank 55 of 78
Rating
Sub-ratings compared
Dreame L40 Ultra AEOverall rating 69Dreame L50s Pro UltraOverall rating 70
Dreame L40 Ultra AEDreame L50s Pro Ultra
Suction performance68/10075/100
Mopping performance70/10072/100
Navigation & obstacles66/10065/100
Dock & maintenance80/10082/100
App & ease of use78/10081/100
Noise & build quality60/10071/100
Suction performance
68
75
Mopping performance
70
72
Navigation & obstacles
66
65
Dock & maintenance
80
82
App & ease of use
78
81
Noise & build quality
60
71
Specs
Specs compared
Key specs
Brand
Model
L40 Ultra AE
L50s Pro Ultra
Suction powerMaximum suction power according to the manufacturer in pascals. Manufacturer figures are only roughly comparable across brands.
19,000 Pa
30,000 Pa
NavigationMapping technology: LiDAR laser turret, camera (vSLAM) or gyroscope without a map – some robots combine LiDAR and camera.
LiDAR laser
LiDAR laser
Obstacle detectionTechnology for detecting objects on the floor (cables, socks, pet waste). A bumper alone counts as None.
Structured light (line laser)AI camera
Structured light (line laser)AI camera
Mopping systemType of mopping module on the robot according to the manufacturer.
Rotating mop pads
Rotating mop pads
Dock typeDock included: an auto-empty dock only empties the dust, a mop-washing dock washes the mops, an auto-empty & wash dock does both. Docks sold separately don’t count.
Auto-empty & wash dock
Auto-empty & wash dock
Battery lifeRuntime in standard or quiet mode according to the manufacturer, not at max. setting (that’s listed under Battery & operation).
180 min
171 min
Noise levelSound pressure level in standard mode according to the manufacturer, not at the highest suction setting (that’s listed under Suction & brushes).
65 dB
58 dB
HeightTotal height including laser turret according to the manufacturer; determines whether it fits under furniture.
9.7 cm (3.8 in)
10.38 cm (4.1 in)
Suction & brushes
Suction levelsNumber of selectable suction levels in the app or on the robot.
4 levels
4 levels
Carpet detection with suction boostDetects carpet and automatically increases suction power there.
Yes
Yes
Main brushType of main brush in the suction inlet, not the side brush.
Rubber roller
Dual roller
Anti-tangle brushMain brush with a comb or anti-tangle design according to the manufacturer.
Yes
Yes
Extendable side brushThe side brush actively extends along edges and into corners.
No
Yes
Filter typeHighest filter grade of the robot specified by the manufacturer.
HEPA filter
Noise level at max. settingSound pressure level at the highest suction setting according to the manufacturer. Standard mode is listed under Key specs.
75 dB
Robot dustbinVolume of the dustbin in the robot, not in the dock.
0.4 l (0.11 gal)
0.25 l (0.07 gal)
Mopping
MoppingThe robot can mop, whatever the system. Details under Mopping.
Yes
Yes
Mop lift on carpetLift height of the mopping module over carpet according to the manufacturer in millimeters; 0 = cannot be lifted.
10.5 mm (0.41 in)
10.5 mm (0.41 in)
Mopping module featuresOnly check features the manufacturer lists for this model.
Active water supplyLiftable mopping moduleExtendable mopping moduleCarpet detection when mopping
Liftable mopping moduleExtendable mopping moduleCarpet detection when mopping
Robot water tankWater tank in the robot, not in the dock.
0.08 l (0.02 gal)
Mop washing in the dockHow the dock washes the mop pads; without a mop-washing dock, choose No mop washing.
Hot water
Hot water
Mop washing temperatureMaximum water temperature for mop washing according to the manufacturer; leave blank for cold water.
75 °C (167 °F)
100 °C (212 °F)
Hot-air mop dryingThe dock actively dries the pads with hot air, not just by ventilation.
Yes
Yes
Base station
Dock featuresOnly check features of the included dock.
Cold water tank refillRefillable detergent tankDirty water detection
Cold water tank refillRefillable detergent tank
Auto-empty dockThe dock empties the robot’s dustbin by suction, also as part of an auto-empty & wash dock.
Yes
Yes
Dock dust collectionHow the dock collects dust.
With dust bag
With dust bag
Dock dust capacityCapacity of the dust bag or collection bin in the dock.
3.2 l (0.85 gal)
3.2 l (0.85 gal)
Dock clean water tankClean water tank of the dock, not the robot.
4.5 l (1.2 gal)
4.5 l (1.2 gal)
Dock dirty water tankDirty water tank of the dock.
4 l (1.1 gal)
4 l (1.1 gal)
Dock dimensionsWidth × depth × height of the dock in cm according to the manufacturer.
34 × 45.7 × 59 cm (13 × 18 × 23 in)
34 × 45.7 × 59 cm (13 × 18 × 23 in)
Battery & operation
Battery capacityRated battery capacity according to the manufacturer.
5,200 mAh
5,200 mAh
Charging timeCharging time from empty to full according to the manufacturer.
210 min
210 min
Recharge and resumeRecharges when the battery runs out and resumes cleaning where it left off.
Yes
Yes
Navigation & app
AI obstacle detectionDetects cables, socks, pet waste, etc.
Yes
Yes
No-go zones and virtual wallsRestricted areas can be set in the app; magnetic strips don’t count.
Yes
Yes
Room selection and schedulesIndividual rooms can be cleaned selectively and on a schedule.
Yes
Yes
Live camera in the appLive view from the robot’s camera in the app according to the manufacturer.
Yes
Yes
Voice controlCan be started with a voice assistant. The exact assistants are listed under Navigation & app.
Yes
Yes
Voice assistantsVoice assistants officially supported by the manufacturer.
Amazon AlexaGoogle AssistantSiri
Amazon AlexaGoogle AssistantSiriManufacturer’s own assistantMatter
Chassis & sensor extrasOnly check special features that come as standard.
LED lightDirt detection
Climbing assistDirt detectionLED light
Dimensions & weight
Threshold heightMaximum threshold height the robot can climb according to the manufacturer.
2.2 cm (0.87 in)
2.2 cm (0.87 in)
DiameterMaximum width of the robot according to the spec sheet.
35 cm (14 in)
35 cm (14 in)
Robot weightWeight of the robot without the dock.
4 kg (8.8 lb)
4.04 kg (8.9 lb)
General
Price segment
Mid-range
Model year
2025
2026
In the box
Roboter, Station, Gummi- u. TriCut-Bürste, Seitenbürste, 2 Wischpads mit Halter, 2 Staubbeutel, 200 ml Reiniger, Rampe
Roboter, Basisstation, 2 Wischpads mit Halterungen, 2 Staubbeutel, 200 ml Reinigungslösung, Rampenplatte, Anleitungen
Prices
Offers
Verdict
Pros & cons
Der Dreame L40 Ultra AE ist ein Saug- und Wischroboter für Wohnungen mit viel Hartboden und Haaren. Auf Laminat sammelt er in einer Fahrt gut 97 von 100 g Schmutz ein, die Station wäscht die Mopps mit 75 °C und trocknet sie warm. Der Haken: Die starre Seitenbürste lässt Zimmerecken voller Schmutz zurück, Langflor fährt er gar nicht an, und einzelne Geräte fallen früh aus.
Pros
- Holt in einer Fahrt 97,44 von 100 g Schmutz vom Laminat
- TriCut-Bürste nimmt lange Haare ohne Aufwickeln auf, liegt bei
- Station wäscht Mopps mit 75 °C und trocknet sie warm
- Erkennt Hundekot zuverlässig, umfährt 12 von 16 Objekten
- Mit 9,7 cm Bauhöhe kommt er unter viele Möbel
- Überwindet Türschwellen bis 2,2 cm ohne Hilfe
Cons
- Starre Seitenbürste holt kein einziges Maiskorn aus Zimmerecken
- Auf Teppich bleibt nach einer Fahrt ein Viertel des Schmutzes
- Mopps heben nur 10,5 mm, Langflor wird ausgelassen
- Einzelne Geräte fallen nach Wochen bis acht Monaten aus
- Übersieht dünne Kabel, Stifte und sehr flache Gegenstände
Der Dreame L50s Pro Ultra ist ein starker Sauger für Hartboden und Kurzflor: Auf glatten Böden bleibt kaum etwas liegen, und an der Doppelwalze hängt auch nach Tierhaaren kein Haar. Die Station saugt ab, wäscht die Mopps heiß und trocknet sie. Der Haken: Auf Hochflor versagt er fast völlig, mit 10,38 cm passt er unter manches Sofa nicht, und Kabel oder Tierkot übersieht er öfter.
Pros
- Holt auf Hartboden 95 bis 98,5 % des Schmutzes heraus
- Doppelwalze bleibt nach 1 g Echthaar komplett haarfrei
- Station saugt ab, wäscht Mopps heiß und trocknet mit Warmluft
- Ausfahrende Seitenbürste und Mopp reinigen Ecken und Wandkanten bis auf 5 bis 10 mm
- Frische Kaffee- und Teeflecken nach einer Fahrt restlos weg
- Kartiert 50 m² in rund 4 Minuten und trennt Räume korrekt
Cons
- Auf dichtem Hochflor nur 2,42 von 100 g aufgenommen
- Kann die Mopps nicht in der Station ablegen
- Übersieht Ladekabel, Legosteine und Tierkot häufiger als der Vorgänger
- Mit 10,38 cm Bauhöhe zu hoch für flache Möbel
- Eingetrocknete Flecken erst nach Umstellen auf Tiefenreinigung
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