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Comparing 2 robot vacuums

Your shortlist side by side: today’s price, our score and every fact the maker states.

Green is the best of these 2, also when they share the lead.

Narwal Freo × Best on 2 facts Dreame L40 Ultra AE × Best on 1 fact
Most important facts
Lowest price same on both 399 €Saturn 399 €Amazon.de
Score not in our ranking 7.5
Customer rating ★ 3.6 · 5 reviews ★ 4.7 · 618 reviews
Tests – Just A Dad Approved Vacuum Wars
Suction power higher is better – 19,000 Pa
Runtime per charge longer is better 238 min best 180 min
Climbs thresholds up to higher is better – 20 mm
Robot height lower is better 10.6 cm 9.7 cm best
Mop lift on carpet higher is better 12 mm best 10.5 mm
Dust bag lasts longer is better – up to 100 days
Navigation same on both LiDAR turret LiDAR turret
Rank
Rank – rank 4 of 73 with an all-in-one station
Mopping
Mop type same on both spinning pads spinning pads
Automatic mop detach – no (assumed)
Washes the mop same on both yes yes
Hot-air drying – yes
Station
Station mop-washing station all-in-one station
Plumbing hookup – yes
Brush and obstacles
Anti-tangle brush – yes
Obstacle avoidance – AI camera
Climbing system for high thresholds – no (assumed)
Noise and age
Noise while cleaning not judged 60 dB 74 dB
On the market since September 2022 April 2025
Suction and brushes
Side brushes 2 –
Main brush – rubber
Extending side brush – no (assumed)
Carpet detection – detects carpet
Suitable for pet hair – yes
Dirt detection – yes
Mopping
Mop refreshed while mopping yes no (assumed)
Mop extends to the edges – yes
Dock
Empties the dust bin – yes
Bagless – no
Dust bag capacity – 3.2 l
Wash temperature – 75 °C
Dries the mop – yes
Dispenses detergent – yes
Clean water tank – 4.5 l
Dirty water tank – 4 l
Navigation and obstacles
Camera on board – obstacle camera
Stair-edge sensors – yes
Robot
Robot diameter 35.2 cm 35 cm
Robot weight 4.35 kg 4 kg
Dust bin in the robot 480 ml 395 ml
Battery
Battery capacity 5,000 mAh 5,200 mAh
Charging time – 3.5 h
Smart features and warranty
Warranty same on both 2 years 2 years
Matter – no (assumed)
Voice assistants – Alexa, Google Assistant, Siri
Scheduled runs – yes

Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.

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