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Robot Vacuums Methodology v1.0
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Products in this category are scored under Frontum Robot Vacuums Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
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DREAME D9 Max review: 118 specs compared

Avg. price:~ÂŁ140Max suction power:4000 PaRuntime:210 minDustbin capacity:570 mLMax threshold height:20 mm

DREAME D9 Max Review: Compare 118 technical specifications and user reviews to see how this product ranks in the Robot Vacuums category and whether it is worth buying.

DREAME D9 Max
7.7/10

Overall score

Score
7.7/ 10
âś•
What it is
An overall evaluation of the robot vacuum's quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best robot vacuums on the market.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

80%

7.6

Technical score

20%

8.1

User score

â–˛Better than 72% of robot vacuums
8.3

Value for money

Value for money
8.3/ 10
âś•
What it is
An indicator that combines the robot vacuum's overall rating with its cost.
When it matters
When you are looking for a robot vacuum with a good balance between quality and price.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

70%

7.7

Overall score

30%

9.8

Price

â–˛Better than 88%
7.6

Technical score

Technical score
7.6/ 10
âś•
What it is
An assessment of robot-vacuum performance across cleaning, navigation, mopping, battery life, filtration, brush design, smart features, and dimensions.
When it matters
When you want to compare robot vacuums based on technical performance and available features.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

30%

7.6

Cleaning

23%

8.4

Navigation

18%

6.3

Mopping

12%

7.8

Battery

10%

8.8

Smart Features

7%

5.7

Design

â–˛Better than 69%
8.1

User score

User score
8.1/ 10
âś•
What it is
A rating that combines user reviews and the total number of reviews received by the robot vacuum
When it matters
When you want to know how a robot vacuum handles daily tasks and how reliable it remains over time according to user feedback.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

70%

8.6

User ratings

30%

7.1

Number of reviews

Based on ratings from across the web.
â–˛Better than 72%
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of robot vacuum DREAME D9 Max

Technical score
Technical score
7.6/ 10
âś•
What it is
An assessment of robot-vacuum performance across cleaning, navigation, mopping, battery life, filtration, brush design, smart features, and dimensions.
When it matters
When you want to compare robot vacuums based on technical performance and available features.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components:

30%

7.6

Cleaning

23%

8.4

Navigation

18%

6.3

Mopping

12%

7.8

Battery

10%

8.8

Smart Features

7%

5.7

Design

7.6
User score
User score
8.1/ 10
âś•
What it is
A rating that combines user reviews and the total number of reviews received by the robot vacuum
When it matters
When you want to know how a robot vacuum handles daily tasks and how reliable it remains over time according to user feedback.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components

70%

8.6

User ratings

30%

7.1

Number of reviews

Based on ratings from across the web.
8.1
Popularity
Popularity
7.1/ 10
âś•
What it is
An indicator based on the number of reviews received by the robot vacuum.
When it matters
When you prefer to purchase a product chosen and reviewed by many other consumers.
Score distribution
â–Ľ
<55-66-77-88-99-10
Popularity:
DREAME D9 Max has a popularity index of 7.1, higher than that of 54.7% of robot vacuums and equal to that of 1.8% of robot vacuums.
7.1
Value for money
Value for money
8.3/ 10
âś•
What it is
An indicator that combines the robot vacuum's overall rating with its cost.
When it matters
When you are looking for a robot vacuum with a good balance between quality and price.
Score distribution
â–Ľ
<55-66-77-88-99-10
Score components:

70%

7.7

Overall score

30%

9.8

Price

8.3
Max suction power
4,000 Pa
This robot vacuum has a maximum suction pressure of 4,000 Pa, which is higher than 49.5% of robot vacuums and equal to 9.9% of robot vacuums.
N. of suction power levels
4
This robot vacuum has 4 suction power levels, which is more than 49.7% of robot vacuums offer and the same number as 43.8% of robot vacuums offer.
Motor type
brushless
This robot vacuum uses a brushless motor, a type that is generally more efficient than those used by 2.7% of robot vacuums and also used by 97.3% of robot vacuums.
Power
?
Cleaning modes
4
This robot vacuum offers 4 cleaning modes, which is more than 38.2% of robot vacuums offer and the same number as 47.5% of robot vacuums offer.
Show more
Mopping capability
yes
This robot vacuum can mop floors. 78.8% of robot vacuums offer this feature.
Mopping system type
static pad
This robot vacuum uses static pad for mopping. This system is more effective than those on 20.4% of robot vacuums and as effective as those on 46.3% of robot vacuums.
Mop pad type
semi-circular
Mop pad material
microfiber
Mop pressure
?
Show more
Primary navigation technology
LiDAR
This robot vacuum uses LiDAR as its primary navigation system, which is more capable than the systems in 34.7% of robot vacuums and matched by 60.4% of robot vacuums.
Mapping capability
yes
This robot vacuum maps the floor. 74% of robot vacuums offer this feature.
Real-time mapping
yes
This robot vacuum updates its map in real time. 68.5% of robot vacuums offer this feature.
Multiple map storage
yes
This robot vacuum stores multiple maps. 56.4% of robot vacuums offer this feature.
Map editing
yes
This robot vacuum lets you edit maps. 63.8% of robot vacuums offer this feature.
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App control
yes
This robot vacuum supports app control. 5.5% of robot vacuums support app control.
App name
Dreamehome
Wi-Fi connectivity
yes
This robot vacuum supports Wi-Fi connectivity. 6.3% of robot vacuums support Wi-Fi connectivity.
Supported Wi-Fi bands
2.4 GHz
Bluetooth connectivity
no
This robot vacuum does not support Bluetooth connectivity. 64.7% of robot vacuums support Bluetooth connectivity.
Show more
Battery capacity
5,200 mAh
This robot vacuum has a battery capacity of 5,200 mAh, which is higher than 67.3% of robot vacuums and equal to 26.5% of robot vacuums.
Battery type
Li-ion
Battery voltage
14.4 V
Runtime
210 min
This robot vacuum runs for 210 min per charge, which is longer than 82.4% of robot vacuums and equal to 2.2% of robot vacuums.
Recharge and resume
yes
This robot vacuum resumes cleaning after charging. 83.1% of robot vacuums offer this feature.
Show more
Shape
round
Height
96.8 mm
Width
350 mm
Length
350 mm
Weight
3.67 kg
This robot vacuum weighs 3.67 kg, making it heavier than 55.2% of robot vacuums and the same weight as 0.4% of robot vacuums.
Show more

DREAME D9 Max vs the average robot vacuum

246810TotalBatteryDesignSmart FeaturesNavigationCleaningMopping
  • Empties its dustbin automatically
    This robot vacuum empties its dustbin automatically, while the average robot vacuum requires manual dustbin emptying.
  • 60 min longer runtime
    This robot vacuum runs longer per charge than the average robot vacuum (210 min vs 150 min). The average robot vacuum runs for 150 min.
    210 min vs 150 min
  • 0.97 % higher filter efficiency
    This robot vacuum has higher filter efficiency than the average robot vacuum (100 % vs 99 %). The average robot vacuum has a filter efficiency of 99 %.
    99.97 % vs 99 %
  • 2,000 mAh greater battery capacity
    This robot vacuum has a greater battery capacity than the average robot vacuum (5,200 mAh vs 3,200 mAh). The average robot vacuum has a battery capacity of 3,200 mAh.
    5,200 mAh vs 3,200 mAh
  • 170 mL larger dustbin
    This robot vacuum has a larger onboard dustbin than the average robot vacuum (570 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    570 mL vs 400 mL
  • 70 m² larger cleaning area
    This robot vacuum has a larger maximum cleaning area than the average robot vacuum (250 m² vs 180 m²). The average robot vacuum has a maximum cleaning area of 180 m².
    250 m² vs 180 m²
  • Has a child lock
    This robot vacuum has a child lock, while the average robot vacuum does not. 44.9% of robot vacuums offer this.
  • Supports off-peak charging
    This robot vacuum supports off-peak charging, while the average robot vacuum does not support off-peak charging.
  • 9.6% better value for money
    DREAME D9 Max has better value for money than the average robot vacuum (8.32 vs 7.6).
    8.32 vs 7.59
  • 85.7% cheaper
    DREAME D9 Max is cheaper than the average robot vacuum (ÂŁ140 vs ÂŁ260).
    ÂŁ140 vs ÂŁ260
  • 60 min longer runtime
    This robot vacuum runs longer per charge than the average robot vacuum (210 min vs 150 min). The average robot vacuum runs for 150 min.
    210 min vs 150 min
  • 2,000 mAh greater battery capacity
    This robot vacuum has a greater battery capacity than the average robot vacuum (5,200 mAh vs 3,200 mAh). The average robot vacuum has a battery capacity of 3,200 mAh.
    5,200 mAh vs 3,200 mAh
  • 70 m² larger cleaning area
    This robot vacuum has a larger maximum cleaning area than the average robot vacuum (250 m² vs 180 m²). The average robot vacuum has a maximum cleaning area of 180 m².
    250 m² vs 180 m²
  • Supports off-peak charging
    This robot vacuum supports off-peak charging, while the average robot vacuum does not support off-peak charging.
  • 3.92 kg lighter base station
    This robot vacuum has a lighter base station than the average robot vacuum (0.4 kg vs 4.3 kg). The average robot vacuum's base station weighs 4.3 kg.
    0.38 kg vs 4.3 kg
  • Has a child lock
    This robot vacuum has a child lock, while the average robot vacuum does not. 44.9% of robot vacuums offer this.
  • 13 more languages supported
    This robot vacuum supports more languages than the average robot vacuum (30 vs 17). The average robot vacuum supports 17 languages.
    30 vs 17
  • Empties its dustbin automatically
    This robot vacuum empties its dustbin automatically, while the average robot vacuum requires manual dustbin emptying.
  • 0.97 % higher filter efficiency
    This robot vacuum has higher filter efficiency than the average robot vacuum (100 % vs 99 %). The average robot vacuum has a filter efficiency of 99 %.
    99.97 % vs 99 %
  • 170 mL larger dustbin
    This robot vacuum has a larger onboard dustbin than the average robot vacuum (570 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    570 mL vs 400 mL
  • 30 mL more onboard water capacity
    This robot vacuum has a larger onboard water tank than the average robot vacuum (270 mL vs 240 mL). The average robot vacuum's onboard water tank holds 240 mL.
    270 mL vs 240 mL
  • More basic obstacle avoidance
    This robot vacuum uses LiDAR for obstacle avoidance, while the average robot vacuum uses hybrid.
    LiDAR vs hybrid
  • Older model
    This robot vacuum was released in 2021, earlier than the average robot vacuum in 2023. The average release year for robot vacuums is 2023.
    2021 vs 2023
  • 18 mm narrower main brush
    This robot vacuum has a narrower main brush than the average robot vacuum (160 mm vs 178 mm). The average robot vacuum has a main brush 178 mm wide.
    160 mm vs 178 mm
  • 1.5 h longer charging time
    This robot vacuum takes longer to recharge fully than the average robot vacuum (6 h vs 4.5 h). The average robot vacuum takes 4.5 h.
    6 h vs 4.5 h
  • No Bluetooth
    This robot vacuum does not support Bluetooth connectivity, while the average robot vacuum does. 64.6% of robot vacuums support Bluetooth connectivity.
  • 0.3 m shorter power cord
    This robot vacuum has a shorter power cord than the average robot vacuum (1.2 m vs 1.5 m). The average robot vacuum's power cord is 1.5 m long.
    1.2 m vs 1.5 m
  • 1.5 h longer charging time
    This robot vacuum takes longer to recharge fully than the average robot vacuum (6 h vs 4.5 h). The average robot vacuum takes 4.5 h.
    6 h vs 4.5 h
  • Older model
    This robot vacuum was released in 2021, earlier than the average robot vacuum in 2023. The average release year for robot vacuums is 2023.
    2021 vs 2023
  • 0.3 m shorter power cord
    This robot vacuum has a shorter power cord than the average robot vacuum (1.2 m vs 1.5 m). The average robot vacuum's power cord is 1.5 m long.
    1.2 m vs 1.5 m
  • No Bluetooth
    This robot vacuum does not support Bluetooth connectivity, while the average robot vacuum does. 64.6% of robot vacuums support Bluetooth connectivity.
  • More basic obstacle avoidance
    This robot vacuum uses LiDAR for obstacle avoidance, while the average robot vacuum uses hybrid.
    LiDAR vs hybrid
  • 18 mm narrower main brush
    This robot vacuum has a narrower main brush than the average robot vacuum (160 mm vs 178 mm). The average robot vacuum has a main brush 178 mm wide.
    160 mm vs 178 mm

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Expert reviews

In-depth analysis and verdict from leading tech publications

A
androidpolice.com
22/05/2023
Summary of the review
G
gizmochina.com
19/10/2023
Summary of the review
R
robotobzor.com
11/10/2021
Summary of the review
S
smartzone.de
20/09/2021
Summary of the review
T
techtest.org
23/09/2021
Summary of the review
C
computerbild.de
06/08/2022
Summary of the review
S
smarthomeassistent.de
29/03/2022
Summary of the review
S
siio.de
20/09/2021
Summary of the review
F
frandroid.com
06/05/2023
Summary of the review
L
leclaireur.fnac.com
07/07/2022
Summary of the review
Q
quechoisir.org
19/12/2023
Summary of the review
Q
quechoisir.org
29/11/2024
Summary of the review
T
techradar.com
15/03/2025
Summary of the review
A
altroconsumo.it
2021
Summary of the review
C
consumentenbond.nl
Unknown
Summary of the review
T
test-aankoop.be
Unknown Date
Summary of the review

Third-party reviews

Based on ratings from across the web.
Reviews last updated: July 2026 · How we calculate this

What customers like about DREAME D9 Max

  • Strong suction power (4,000 Pa) effectively collects dust, pet hair, and large crumbs
  • Generous 570ml dust box capacity requires less frequent manual emptying
  • Reliable LiDAR laser navigation creates accurate, editable maps of the home
  • Excellent battery life with a runtime of up to 150 minutes to cover large spaces
  • Affordable price point offering high-end smart features on a budget
  • Seamless app integration for scheduling daily routines and setting customized room parameters

What customers don't like about DREAME D9 Max

  • Mopping functionality is weak and acts more like a light dusting wipe without real scrubbing power
  • Lacks advanced front obstacle-avoidance cameras, causing it to bump into stray objects or messy wiring
  • Struggles to cross thick or elevated floor transitions and can get stuck on deep-pile carpets
  • No automatic self-emptying base included, meaning the dustbin must be cleaned out manually
  • Can be slightly noisy when operated on its highest turbo suction mode

Verdict

The Dreame D9 Max is a 2-in-1 budget-friendly robot vacuum and mop that delivers up to 4,000 Pa of suction power paired with advanced LDS laser navigation for precise room mapping. Its core strengths include a robust 5,200mAh battery that provides up to 150–210 minutes of continuous runtime, a large 570ml dust box capacity, and an automatic carpet suction boost feature that effectively lifts dirt out of rugs. However, its main disadvantages include a basic, thin static mop pad that struggles with deep stains, a lack of active 3D obstacle avoidance which can cause it to catch on loose items, and a lengthy 6-to-8 hour full recharge cycle.

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