Dreame L40 Ultra vs L50 Ultra: Which Robot Vacuum Is Better?

Dreame

Tested using Methodology v1.0

Updated Mar 30, 2026 08:27 PM

This review is in Early access

See Dreame L40 Ultra Review

Wet Compatible Mopping Only

Lowest Height Cleared 10.5 cm (4.1'')

Obstacle Avoidance Technology Camera-Based And Light-Based

Max Threshold Height 1.9 cm (0.7")

Anti-Allergy Filter (HEPA) No

Wet Compatible Mopping Only

Lowest Height Cleared 9.5 cm (3.7'')

Obstacle Avoidance Technology Camera-Based And Light-Based

Max Threshold Height 3.8 cm (1.5")

Anti-Allergy Filter (HEPA) No

Recommended in 1 article:
Robot Vacuums For Carpet

Our Verdict

Dreame L40 Ultra

Dreame L50 Ultra

Full comparison details regarding individual product score sets can be found in the section below

SHARE THIS COMPARISON

Variants

L40 Ultra (White)

L50 Ultra (Black)
L50 Ultra (White)

Review

See Dreame L50 Ultra Review

Check Price

White

L40 Ultra

Dreame

White

L50 Ultra

White

L40 Ultra

Black

L50 Ultra

White

L40 Ultra

Walmart.com

White

L40 Ultra

Lowes.com

White

L40 Ultra

HomeDepot.com

White

L40 Ultra

BestBuy.com

Main Differences for

Multi-Surface Household

Threshold

0.10

Multi-Surface Household

0.0

JOIN NOW to see main differences

Full Comparison

Multi-Surface Household

0.0

Pets

0.0

Debris Pickup: Hard Floor

0.0

Debris Pickup: Carpet

0.0

Debris Pickup: Pet Hair

0.0

Obstacle Handling

0.0

Design

Build Quality

N/A

Build Quality Picture

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Vacuum & Mop Combo

Locked

Show Text

User Maintenance

N/A

Maintenance Picture

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Brushroll Cleaning Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Show Text

Recurring Cost

N/A

Recurring Cost Picture

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Bag Part Number

Locked

Filter Part Number

Locked

HEPA Filter Part Number

Locked

Show Text

Dimensions

Robot Vacuum Dimensions

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Robot Vacuum Height

Lock cm (Lock")

Robot Vacuum Width

Lock cm (Lock")

Robot Vacuum Depth

Lock cm (Lock")

Docking Station Dimensions

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Docking Station Height

Lock cm (Lock")

Docking Station Width

Lock cm (Lock")

Docking Station Depth

Lock cm (Lock")

Internal Dirt Compartment

N/A

Dirt Compartment Photo

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Dirt Compartment Capacity

Lock L

Full Indicator

Locked

Show Text

Station Maintenance Capabilities

N/A

Station Photo

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Auto Empty

Locked

Bagless Station

Locked

Dirt Compartment Capacity

Lock L

Automatic Tank Refill

Locked

Mop Washing

Locked

Mop Drying

Locked

Show Text

In The Box

In The Box Picture

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Show Text

Battery

N/A

Minimum Battery Life

Lock min

Maximum Battery Life

Lock min

Recharge Time

Lock min

Removable Batteries

Locked

Show Text

Quality-Of-Life Features

Picture Of Controls

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Power Adjustment

Locked

Easy On/Off

Locked

Surface Type Adjustment

Locked

Show Text

Brushroll And Tools

Brushroll And Tools Photo

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Brushroll Setup

Locked

Brushroll Type

Locked

Side Brush Setup

Locked

Side Brush Type

Locked

Performance

Hard Floor Pickup

N/A

Hard Floor Pickup Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Hard Floor Pickup Post Test

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Show Text

High-Pile Carpet Pickup

N/A

High-Pile Carpet Pickup Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

High-Pile Carpet Pickup Post Test

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Show Text

Low-Pile Carpet Pickup

N/A

Low-Pile Carpet Pickup Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Low-Pile Carpet Pickup Post Test

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Show Text

Pet Hair Pickup

N/A

Pet Hair Pickup Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Pet Hair Pickup Post Test

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Show Text

Airflow

N/A

Maximum Airflow Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Maximum Head Airflow

Lock CFM (Lock m³/min)

Show Text

Noise

N/A

Noise Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Bare Floor

Lock dBA

Low-Pile Carpet

Lock dBA

Show Text

Household Adaptability

N/A

Household Adaptability

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Show Text

Obstacle Avoidance

N/A

Obstacle Avoidance Technology

Locked

Object Recognition

Locked

Obstacle Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Bare Floor: Avoidance Rate

Lock%

Bare Floor: Intervention Rate

Lock%

Carpet: Avoidance Rate

Lock%

Carpet: Intervention Rate

Lock%

Always Avoided Pet Waste

Locked

Show Text

Height Clearance

N/A

Height Clearance Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Lowest Height Cleared

Locked

Show Text

Threshold Clearance

N/A

Low Threshold Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

High Threshold Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Max Threshold Height

Lock cm (Lock")

Show Text

Air Quality

Sealing Quality Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Anti-Allergy Filter (HEPA)

Locked

Show Text

Cracks

N/A

Cracks Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Wood Cracks Post Test

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Show Text

Stains

N/A

Stain Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Stain Pickup Post Test

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Show Text

Water

N/A

Wet Compatible

Locked

Water Video

SAMPLE

for videos & test results

SAMPLE

for videos & test results

Water Pickup Post Test

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

Show Text

Automation

Physical Automation

N/A

Recharge And Resume

Locked

Pathing Algorithm

Locked

Physical Boundary Markers

Locked

Scheduled Start Buttons

Locked

Cycle Control Buttons

Locked

Navigation Control Buttons

Locked

Show Text

Companion App Automation

N/A

Companion App Screen Grabs

SAMPLE

for pictures & test results

SAMPLE

for pictures & test results

App Name

Locked

Software Boundary Markers (No-Go Zones)

Locked

App Scheduled Start

Locked

App Cycle Control

Locked

Navigation Control Within App

Locked

Show Text

To Be Deleted

Check Price

White

L40 Ultra

Dreame

White

L50 Ultra

White

L40 Ultra

Black

L50 Ultra