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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 X10 Pro × Best on 3 facts Dreame L40s Ultra AE × Best on 3 facts
Most important facts
Lowest price $449Narwal (brand store) –
Score not in our ranking 7.4
Customer rating ★ 5.0 · 1 review ★ 4.7 · 618 reviews
Tests – Just A Dad Approved Vacuum Wars
Suction power higher is better 11,000 Pa 19,000 Pa best
Runtime per charge longer is better 219 min best 180 min
Climbs thresholds up to higher is better same on both 0.8 in (20 mm) 0.8 in (20 mm)
Robot height lower is better 4.2 in (10.7 cm) 3.8 in (9.7 cm) best
Mop lift on carpet higher is better 0.5 in (12 mm) best 0.4 in (10.5 mm)
Dust bag lasts longer is better up to 120 days best up to 100 days
Navigation same on both LiDAR turret LiDAR turret
Rank
Rank – rank 36 of 94 with an all-in-one station
Mopping
Mop type same on both spinning pads spinning pads
Automatic mop detach same on both no (assumed) no (assumed)
Washes the mop same on both yes yes
Hot-air drying same on both yes yes
Station
Station same on both all-in-one station all-in-one station
Plumbing hookup no (assumed) yes (best)
Brush and obstacles
Anti-tangle brush same on both yes yes
Obstacle avoidance 3D sensor (structured light) AI camera
Climbing system for high thresholds same on both no (assumed) no (assumed)
Noise and age
Noise while cleaning not judged – 74 dB
On the market since December 2025 April 2025
Suction and brushes
Extending side brush same on both no (assumed) no (assumed)
Suitable for pet hair same on both yes yes
Filter type HEPA –
Main brush – rubber
Carpet detection – detects carpet
Dirt detection – yes
Mopping
Mop extends to the edges same on both yes yes
Mop refreshed while mopping yes no (assumed)
Steam no (assumed) –
Dock
Empties the dust bin same on both yes yes
Bagless same on both no no
Dust bag capacity 2.5 l 3.2 l
Dries the mop same on both yes yes
Drying temperature 113 °F (45 °C) –
Dispenses detergent no (assumed) yes
Wash temperature – 167 °F (75 °C)
Clean water tank – 4.5 l
Dirty water tank – 4 l
Navigation and obstacles
Multi-floor maps 4 –
Robotic arm no (assumed) –
Camera on board – obstacle camera
Stair-edge sensors – yes
Robot
Robot diameter 14 in (35.5 cm) 13.8 in (35 cm)
Robot weight 8.2 lb (3.7 kg) 8.8 lb (4 kg)
Dust bin in the robot 800 ml 395 ml
Battery
Battery capacity 5,000 mAh 5,200 mAh
Charging time – 3.5 h
Smart features and warranty
Matter same on both no (assumed) no (assumed)
Voice assistants same on both Alexa, Google Assistant, Siri Alexa, Google Assistant, Siri
Warranty same on both 2 years 2 years
Scheduled runs same on both yes 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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