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Dreame D20

No store we follow ships this model to the United States. This page says what it can do, and which similar robots you can buy here.

Which robot is right for your home? Find out in 7 questions →

Dreame D20 (white)

Before you buy, compare it with 2 recommended alternatives

No store here sells this model today, so beside it the highest-scored model with the same kind of station that one does, and the cheapest of the top 10.

Green is the best of these 3, also when they share the lead.

This model Dreame D20 Best on 5 facts Highest score here Roborock Q7 L5 Best on 3 facts Cheapest of the top 10 iRobot Roomba 105 Combo
Most important facts
Lowest price – $159Roborock (brand store) best $319iRobot (brand store)
Score not in our ranking 4.3 best 3.7
Customer rating – – –
Tests – Vacuum Wars Just A Dad Approved
Suction power higher is better 13,000 Pa best 8,000 Pa 7,000 Pa
Runtime per charge longer is better 285 min best 180 min 120 min
Climbs thresholds up to higher is better same on all 0.8 in (20 mm) 0.8 in (20 mm) 0.8 in (20 mm)
Robot height lower is better 3.8 in (9.7 cm) best 3.9 in (9.9 cm) 4.1 in (10.4 cm)
Mop lift on carpet higher is better no no –

Compare all 24 facts →

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.

Dreame D20 specifications

The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.

Dreame · on the market since September 2025

Robot height3.8 in
Climbs thresholds up to0.8 in
Runtime per charge285 min
Suction power13,000 Pa
Noise while cleaning74 dB

Dimensionsrobot and dock

Dock, from the front 3.7 in high 5 in deep 3.7 in 5.1 in wide Robot, from the side 13.8 in across 3.8 in

From the published dimensions. The robot passes under furniture with 3.9 in of clearance or more. The dock needs a spot 5.1 in wide and 5 in deep.

Suction and brushes 4 facts
Suction power

Suction in pascal, as the maker measures it. More pascal helps on carpet, but it says little about how well the robot picks grit off a hard floor.

13,000 Pa
Anti-tangle brush

A brush that guides hair to the side instead of letting it wind around the shaft. It saves the cutting work in homes with long hair or pets. On this model: from the maker's product text, not from a specification table.

yes
Extending side brush

The side brush swings out in a corner or along a baseboard, so the dust there is swept in too. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.

no (assumed)
Dirt detection

A sensor notices where more dirt lies, at the doormat for example, and the robot cleans that patch longer or a second time.

yes
Mopping 6 facts
Mop type

How the mop is built: flat pads, two spinning discs or a roller. Discs press harder on dried-on dirt, a roller rinses itself while it works.

flat or vibrating pad
Mop lift on carpet

How far the robot lifts the mop when it drives onto a carpet. From about 0.4 in (10 mm) a medium pile stays dry.

no
Mop extends to the edges

The pad slides out along a wall or a baseboard, so the last few inches are mopped as well. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.

no (assumed)
Automatic mop detach

The robot leaves the mop at the dock before it vacuums a carpet, so the carpet never gets wet.

yes
Mop refreshed while mopping

The robot returns to the dock during a run to rinse the mop, instead of pushing dirty water around. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.

no (assumed)
Water tank in the robot

How much clean water the robot carries. It sets how long it mops before a refill, which a dock does by itself.

350 ml
Dock 4 facts
Bagless

The dock collects dust in a bin instead of a disposable bag. No bags to buy, but you empty it yourself. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.

no (assumed)
Dispenses detergent

The dock mixes detergent into the water itself, from its own bottle. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.

no (assumed)
Plumbing hookup

The dock can be connected to the tap and the drain, so you never fill or empty a tank. It does need a connection nearby. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.

no (assumed)
Dock size (w × d × h)

The width, depth and height of the dock. Measure the spot you have in mind, and leave room for the lid and for the robot driving in.

5.1 × 5 × 3.7 in (13 × 12.6 × 9.3 cm)
Navigation and obstacles 4 facts
Navigation

How the robot maps your home and follows that map. Lidar measures with a laser and works in the dark, a camera looks along and recognizes more.

LiDAR turret
Obstacle avoidance

How the robot sees loose things on the floor, such as cables, socks or a pet accident. A camera with depth sensing sees more than a bumper that reacts on contact.

none
Climbs thresholds up to

The highest threshold the robot takes, as the maker states it. Measure your own: the step into a bathroom or onto a balcony is often higher.

0.8 in (20 mm)
Climbing system for high thresholds

An extending leg or wheel that carries the robot over a high threshold. Without one it usually stops at about 0.8 in (2 cm). On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.

no (assumed)
Robot 5 facts
Robot height

How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.

3.8 in (9.7 cm)
Robot diameter

How wide the robot is. Narrower gets between chair legs more easily, wider usually means a bigger dust bin.

13.8 in (35 cm)
Robot weight

What the robot weighs. It counts most if you carry it up a staircase every day.

7.7 lb (3.51 kg)
Dust bin in the robot

How much dust the robot holds before you empty it. It matters less with a self-emptying dock, which empties the bin after every run.

700 ml
Noise while cleaning

The noise in decibels while cleaning, in the setting its source names: makers mostly give the standard setting, stores often the highest. 65 dB is like a vacuum at half power, 55 dB like a conversation. Emptying by the dock is louder and listed on its own.

74 dB
Battery 2 facts
Battery capacity

The capacity of the battery. It hints at the runtime, but how much the robot draws counts just as much.

5,200 mAh
Runtime per charge

How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped. On this model: from the maker's product text, not from a specification table.

285 min
Smart features and warranty 3 facts
Matter

Matter is the standard that lets devices from different makers work together. With it you can run the robot outside the maker’s own app. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.

no (assumed)
Voice assistants

Which voice assistants the robot works with, such as Google Assistant or Alexa. On this model: from the maker's product text, not from a specification table.

Alexa, Google Assistant, Siri
Warranty

The warranty the maker gives in the United States.

2 years

Sources: nl.dreametech.com · de.dreametech.com · Manual

Frequently asked questions about the Dreame D20

Can the Dreame D20 mop?

Yes, with a flat mop cloth under the robot.

Does the Dreame D20 work with Alexa, Google Home or Siri?

It works with Alexa, Google Assistant and Siri.

How high a threshold can the Dreame D20 climb?

Thresholds up to 0.8 in (20 mm), the maker says. Measure your own thresholds: the ones to a bathroom or balcony are often higher.

Does the Dreame D20 fit under low furniture?

The robot is 3.8 in (9.7 cm) tall, so it fits under furniture with at least 3.9 in of clearance.

How long does the Dreame D20 run on one charge?

285 minutes on its quietest setting.

Does the Dreame D20 lift its mop on carpet?

It does not lift it, but it leaves the mop in the station before it vacuums carpet.

The maker

Dreame

Dreame Technology makes robot vacuums and mops, cordless stick vacuums, wet and dry vacuums and hair dryers. Its founder, Yu Hao, started the business in 2015 with work on high-speed digital motors, and its headquarters and factory are in Suzhou, China. At the end of 2017 Dreame joined Xiaomi's ecosystem of partner companies.

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