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Robot Vacuum

At a glance

The key numbers for both devices side by side.

Overall rating
84Gut
85Gut
Value for money
89Excellent
72Fair
Best price
€119.00
€799.00
Price advantage
€680.00 cheaper
—
Offers
3 shops
2 shops
Rank in category
Rank 18 of 78
Rank 17 of 78

Rating

Sub-ratings compared

Lefant M3Overall rating 84Narwal Freo 20Overall rating 85
SuctionperformanceMoppingperformanceNavigation& obstaclesDock& maintenanceApp& ease of useNoise& build quality
Lefant M3Narwal Freo 20
Suction performance80/10079/100
Mopping performance72/10098/100
Navigation & obstacles72/10082/100
Dock & maintenance93/10091/100
App & ease of use75/10071/100
Noise & build quality84/10087/100
Suction performance
80
79
Mopping performance
72
98
Navigation & obstacles
72
82
Dock & maintenance
93
91
App & ease of use
75
71
Noise & build quality
84
87

Specs

Specs compared

Key specs

Brand
Model
M3
Freo 20
Suction powerMaximum suction power according to the manufacturer in pascals. Manufacturer figures are only roughly comparable across brands.
12,000 Pa
31,000 Pa
NavigationMapping technology: LiDAR laser turret, camera (vSLAM) or gyroscope without a map – some robots combine LiDAR and camera.
LiDAR laser
LiDAR laserCamera (vSLAM)
Obstacle detectionTechnology for detecting objects on the floor (cables, socks, pet waste). A bumper alone counts as None.
AI cameraStructured light (line laser)
Mopping systemType of mopping module on the robot according to the manufacturer.
Rotating mop pads
Rotating mop roller
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).
240 min
Noise levelSound pressure level in standard mode according to the manufacturer, not at the highest suction setting (that’s listed under Suction & brushes).
56.9 dB
HeightTotal height including laser turret according to the manufacturer; determines whether it fits under furniture.
9.5 cm (3.7 in)
9.5 cm (3.7 in)

Suction & brushes

Suction levelsNumber of selectable suction levels in the app or on the robot.
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.
Bristle and rubber combo
Bristle and rubber combo
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
No
Filter typeHighest filter grade of the robot specified by the manufacturer.
HEPA filter
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.
57 dB
Robot dustbinVolume of the dustbin in the robot, not in the dock.
0.8 l (0.21 gal)
0.3 l (0.08 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.
9 mm (0.35 in)
12 mm (0.47 in)
Mopping module featuresOnly check features the manufacturer lists for this model.
Liftable mopping moduleCarpet detection when mopping
Active water supplyLiftable mopping moduleExtendable mopping moduleCarpet detection when mopping
Robot water tankWater tank in the robot, not in the dock.
0 l (0 gal)
0.13 l (0.03 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.
45 °C (113 °F)
100 °C (212 °F)
Hot-air mop dryingThe dock actively dries the pads with hot air, not just by ventilation.
No
Yes

Base station

Dock featuresOnly check features of the included dock.
Hot water tank refill
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.
2.5 l (0.66 gal)
2.4 l (0.63 gal)
Dock clean water tankClean water tank of the dock, not the robot.
3.5 l (0.92 gal)
5 l (1.3 gal)
Dock dirty water tankDirty water tank of the dock.
4.74 l (1.3 gal)
Dock dimensionsWidth × depth × height of the dock in cm according to the manufacturer.
37 × 38.5 × 35.7 cm (15 × 15 × 14 in)
43.1 × 40.2 × 46.1 cm (17 × 16 × 18 in)

Battery & operation

Battery capacityRated battery capacity according to the manufacturer.
5,200 mAh
6,400 mAh
Charging timeCharging time from empty to full according to the manufacturer.
180 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.
No
Yes
Savable floor mapsNumber of maps that can be saved at the same time according to the manufacturer.
3
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.
No
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 Assistant
Manufacturer’s own assistantAmazon AlexaGoogle AssistantSiriMatter
Chassis & sensor extrasOnly check special features that come as standard.
Dirt detectionLED light

Dimensions & weight

Threshold heightMaximum threshold height the robot can climb according to the manufacturer.
4 cm (1.6 in)
DiameterMaximum width of the robot according to the spec sheet.
32 cm (13 in)
36.35 cm (14 in)
Robot weightWeight of the robot without the dock.
9.7 kg (21 lb)
4.9 kg (11 lb)

General

Warranty
1 years
2 years
Price segment
Budget
Premium
Model year
2025
In the box
Roboter, Station, 2 Ersatz-Mopps, Ersatz-Seitenbürste, -Staubbeutel, -HEPA-Filter, Reinigungsmittel, Reinigungswerkzeug
Roboter, Station, Track-Mopp, Rollerbürste, Seitenbürste, Filter, Staubbeutel, Reinigungsmittel, Netzkabel

Prices

Offers

Lefant M3

Narwal Freo 20

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Verdict

Pros & cons

Der Lefant M3 ist ein Saug-Wisch-Roboter mit LiDAR-Navigation und einer Station, die absaugt, die Mopps warm wäscht und trocknet. Damit nimmt er dir fast die ganze Pflege ab und reinigt aufgeräumte Hartböden zuverlässig. Der Haken: Ohne Kamera und Bumper übersieht er Kabel und flache Gegenstände, an angetrockneten Flecken scheitert er oft.

Pros

  • Station saugt Staub ab, wäscht Mopps mit bis zu 45 °C und trocknet sie
  • Zuverlässige LiDAR-Navigation mit bis zu 3 speicherbaren Etagenkarten
  • Mopps heben sich auf Teppich automatisch um rund 9 mm an
  • Kaum Haarverwicklungen dank Anti-Verhedderungs-Bürste
  • Rund 120 m² am Stück, setzt nach dem Laden an der letzten Stelle fort
  • Großzügiger Lieferumfang mit Ersatzmopps, Ersatzfilter und zweitem Staubbeutel

Cons

  • Ohne Kamera und Bumper werden Kabel und Objekte unter etwa 4 cm übersehen
  • Eingetrocknete Kakao- und Kaffeeflecken bleiben auch nach zwei Durchgängen sichtbar
  • Kein Wassertank im Roboter, Mopps anfangs sehr nass und später eher trocken
  • Absaugung laut, Sprachausgabe des Roboters nur auf Englisch
  • Käufer melden verlorene Karten, Abpumpfehler der Station und WLAN-Aussetzer

Der Narwal Freo 20 ist ein Wischroboter, der auch saugt: Seine Walze nimmt Kaffee, Tee und Fußspuren streifenfrei in einem Durchgang auf, und die Station wäscht sie mit bis zu 100 °C. Für Wohnungen mit viel Hartboden auf einer Ebene taugt er sehr gut. Der Haken: Feinstaub und Sand bleiben im Teppich, Ecken werden nicht ganz sauber, und an Stufen arbeitet er unsicher.

Pros

  • Wischwalze entfernt Kaffee und Tee in einer Überfahrt ohne Schlieren
  • Station wäscht die Walze mit bis zu 100 °C und trocknet mit Warmluft
  • Auf Hartboden blieben von 50 g Testschmutz nur 6 g liegen
  • Haare bis 30 cm ohne Verheddern an der Seitenbürste aufgenommen
  • Mit 9,5 cm Bauhöhe passt er unter Betten und niedrige Sideboards
  • Wich 23 von 24 Hindernissen aus, etwa Kabel, Schuhe und Socken

Cons

  • Auf Teppich bleiben Feinstaub und Sand liegen, bei Sand nur 70 % Aufnahme
  • Stürzte in einem Test trotz Absturzsensoren eine Stufe hinunter
  • Starre Seitenbürste lässt Krümel in Ecken liegen und schleudert Katzenstreu
  • Teppiche nach Kartierung standardmäßig vom Saugen ausgeschlossen, versteckt in der App
  • Kleinteile wie Stifte und Bausteine erkennt die Kamera oft nicht

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