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DEENKEE D40 review: 118 specs compared

Avg. price:~£120Max suction power:3000 PaRuntime:180 minDustbin capacity:600 mLMax threshold height:15 mm

DEENKEE D40 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.

DEENKEE D40
6.2/10

Overall score

Score
6.2/ 10
✕
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–¼
<55-66-77-88-99-10
â–¼ Worse than 79% of models
Score components

80%

5.8

Technical score

20%

7.5

User score

â–¼Worse than 79% of robot vacuums
7.3

Value for money

Value for money
7.3/ 10
✕
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–¼
<55-66-77-88-99-10
â–¼ Worse than 71% of models
Score components

70%

6.2

Overall score

30%

9.9

Price

â–¼Worse than 71%
5.8

Technical score

Technical score
5.8/ 10
✕
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–¼
<55-66-77-88-99-10
â–¼ Worse than 79% of models
Score components

30%

6.3

Cleaning

23%

4.4

Navigation

18%

6.3

Mopping

12%

4.8

Battery

10%

7.7

Smart Features

7%

6.6

Design

â–¼Worse than 79%
7.5

User score

User score
7.5/ 10
✕
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–¼
<55-66-77-88-99-10
â–¼ Worse than 76% of models
Score components

70%

10

User ratings

30%

1.7

Number of reviews

Based on ratings from across the web.
â–¼Worse than 76%
  • deenkee-d40
deenkee-d40
Where to buy
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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 DEENKEE D40

Technical score
Technical score
5.8/ 10
✕
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–¼
<55-66-77-88-99-10
â–¼ Worse than 79% of models
Score components:

30%

6.3

Cleaning

23%

4.4

Navigation

18%

6.3

Mopping

12%

4.8

Battery

10%

7.7

Smart Features

7%

6.6

Design

5.8
User score
User score
7.5/ 10
✕
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–¼
<55-66-77-88-99-10
â–¼ Worse than 76% of models
Score components

70%

10

User ratings

30%

1.7

Number of reviews

Based on ratings from across the web.
7.5
Popularity
Popularity
1.7/ 10
✕
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–¼
<55-66-77-88-99-10
â–¼ Worse than 70% of models
Popularity:
DEENKEE D40 has a popularity index of 1.7, lower than that of 69.9% of robot vacuums and equal to that of 0.6% of robot vacuums.
1.7
Value for money
Value for money
7.3/ 10
✕
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–¼
<55-66-77-88-99-10
â–¼ Worse than 71% of models
Score components:

70%

6.2

Overall score

30%

9.9

Price

7.3
Max suction power
3,000 Pa
Market range: <1.6k Pa – >12k Pa
This robot vacuum has a maximum suction pressure of 3,000 Pa, which is lower than 52.5% of robot vacuums and equal to 8.6% of robot vacuums.
N. of suction power levels
3
Market range: <2 – >4
This robot vacuum has 3 suction power levels, which is fewer than 50.5% of robot vacuums offer and the same number as 35.5% 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
6
Market range: <2 – >5
This robot vacuum offers 6 cleaning modes, which is more than 92.3% of robot vacuums offer and the same number as 5.7% 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
gyroscope
This robot vacuum uses gyroscope as its primary navigation system, which is less capable than the systems in 73.9% of robot vacuums and matched by 19.2% of robot vacuums.
Mapping capability
no
This robot vacuum does not map the floor, although 74.2% of robot vacuums offer this feature.
Real-time mapping
no
This robot vacuum does not update its map in real time, although 68.7% of robot vacuums offer this feature.
Multiple map storage
no
This robot vacuum does not store multiple maps, although 56.6% of robot vacuums offer this feature.
Map editing
no
This robot vacuum does not support map editing, although 64% 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
?
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.
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Battery capacity
3,500 mAh
Market range: <2.4k mAh – >5.2k mAh
This robot vacuum has a battery capacity of 3,500 mAh, which is higher than 59.8% of robot vacuums and equal to 0.2% of robot vacuums.
Battery type
Li-ion
Battery voltage
14.4 V
Runtime
180 min
Market range: <90 min – >240 min
This robot vacuum runs for 180 min per charge, which is longer than 63.4% of robot vacuums and equal to 13.3% of robot vacuums.
Recharge and resume
no
This robot vacuum does not resume cleaning after charging, although 83.3% of robot vacuums offer this feature.
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Shape
round
Height
69.8 mm
Width
326.2 mm
Length
326 mm
Weight
2.4 kg
Market range: <2.59 kg – >4.76 kg
This robot vacuum weighs 2.4 kg, making it lighter than 93.8% of robot vacuums and the same weight as 1.7% of robot vacuums.
Show more

DEENKEE D40 vs the average robot vacuum

246810TotalBatteryDesignSmart FeaturesNavigationCleaningMopping
  • Adjusts its cleaning height automatically
    This robot vacuum adjusts its cleaning height automatically, while the average robot vacuum uses a fixed cleaning height.
  • 2 more cleaning modes
    This robot vacuum offers more cleaning modes than the average robot vacuum (6 vs 4). The average robot vacuum offers 4 cleaning modes.
    6 vs 4
  • 200 mL larger dustbin
    This robot vacuum has a larger onboard dustbin than the average robot vacuum (600 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    600 mL vs 400 mL
  • 32.8% lighter
    This robot vacuum is lighter than the average robot vacuum (2.4 kg vs 3.57 kg). The average robot vacuum weighs 3.57 kg.
    2.4 kg vs 3.57 kg
  • 30 min longer runtime
    This robot vacuum runs longer per charge than the average robot vacuum (180 min vs 150 min). The average robot vacuum runs for 150 min.
    180 min vs 150 min
  • 60 mL more onboard water capacity
    This robot vacuum has a larger onboard water tank than the average robot vacuum (300 mL vs 240 mL). The average robot vacuum's onboard water tank holds 240 mL.
    300 mL vs 240 mL
  • 2.17x cheaper
    DEENKEE D40 is cheaper than the average robot vacuum (£120 vs £260).
    £120 vs £260
  • 300 mAh greater battery capacity
    This robot vacuum has a greater battery capacity than the average robot vacuum (3,500 mAh vs 3,200 mAh). The average robot vacuum has a battery capacity of 3,200 mAh.
    3,500 mAh vs 3,200 mAh
  • 2.17x cheaper
    DEENKEE D40 is cheaper than the average robot vacuum (£120 vs £260).
    £120 vs £260
  • 30 min longer runtime
    This robot vacuum runs longer per charge than the average robot vacuum (180 min vs 150 min). The average robot vacuum runs for 150 min.
    180 min vs 150 min
  • 300 mAh greater battery capacity
    This robot vacuum has a greater battery capacity than the average robot vacuum (3,500 mAh vs 3,200 mAh). The average robot vacuum has a battery capacity of 3,200 mAh.
    3,500 mAh vs 3,200 mAh
  • 32.8% lighter
    This robot vacuum is lighter than the average robot vacuum (2.4 kg vs 3.57 kg). The average robot vacuum weighs 3.57 kg.
    2.4 kg vs 3.57 kg
  • Adjusts its cleaning height automatically
    This robot vacuum adjusts its cleaning height automatically, while the average robot vacuum uses a fixed cleaning height.
  • 2 more cleaning modes
    This robot vacuum offers more cleaning modes than the average robot vacuum (6 vs 4). The average robot vacuum offers 4 cleaning modes.
    6 vs 4
  • 200 mL larger dustbin
    This robot vacuum has a larger onboard dustbin than the average robot vacuum (600 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    600 mL vs 400 mL
  • 60 mL more onboard water capacity
    This robot vacuum has a larger onboard water tank than the average robot vacuum (300 mL vs 240 mL). The average robot vacuum's onboard water tank holds 240 mL.
    300 mL vs 240 mL
  • More basic obstacle avoidance
    This robot vacuum uses infrared for obstacle avoidance, while the average robot vacuum uses hybrid.
    infrared vs hybrid
  • More basic navigation
    This robot vacuum uses gyroscope for navigation, while the average robot vacuum uses LiDAR.
    gyroscope vs LiDAR
  • No no-mop zones
    This robot vacuum does not support no-mop zones, while the average robot vacuum does. 53.1% of robot vacuums support this feature.
  • 5 mm lower threshold clearance
    This robot vacuum can only cross lower thresholds than the average robot vacuum (15 mm vs 20 mm). The average robot vacuum can cross thresholds up to 20 mm high.
    15 mm vs 20 mm
  • Does not have a floating main brush
    This robot vacuum does not have a floating main brush, while the average robot vacuum has a floating main brush.
  • Does not map the floor
    This robot vacuum does not map the floor, while the average robot vacuum maps the floor.
  • Does not support map editing
    This robot vacuum does not support map editing, while the average robot vacuum lets you edit maps.
  • Does not store multiple maps
    This robot vacuum does not store multiple maps, while the average robot vacuum stores multiple maps.
  • 6.5% lower user score
    User score
    7.5/ 10
    ✕
    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
    ▼▼
    <55-66-77-88-99-10
    DEENKEE D40
    the average robot vacuum
    DEENKEE D40 has a lower user score than the average robot vacuum (7.51 vs 8.000).
    7.51 vs 8
  • 3.81x less popular
    DEENKEE D40 is less popular than the average robot vacuum (1.72 vs 6.5).
    1.72 vs 6.53
  • 4% worse value for money
    DEENKEE D40 has worse value for money than the average robot vacuum (7.29 vs 7.6).
    7.29 vs 7.59
  • Does not resume cleaning after charging
    This robot vacuum does not resume cleaning after charging, while the average robot vacuum resumes cleaning after charging.
  • 60 m² smaller cleaning area
    This robot vacuum has a smaller maximum cleaning area than the average robot vacuum (120 m² vs 180 m²). The average robot vacuum has a maximum cleaning area of 180 m².
    120 m² vs 180 m²
  • 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
  • 10 dB louder
    This robot vacuum has a higher reported cleaning noise level than the average robot vacuum (75 dB vs 65 dB). The average robot vacuum has a reported noise level of 65 dB.
    75 dB vs 65 dB
  • Older model
    This robot vacuum was released in 2022, earlier than the average robot vacuum in 2023. The average release year for robot vacuums is 2023.
    2022 vs 2023
  • No maintenance notifications
    This robot vacuum does not provide maintenance notifications, while the average robot vacuum does. 76.8% of robot vacuums offer these.
  • No voice prompts
    This robot vacuum does not provide voice prompts, while the average robot vacuum does. 76.3% of robot vacuums offer these.
  • No Bluetooth
    This robot vacuum does not support Bluetooth connectivity, while the average robot vacuum does. 64.6% of robot vacuums support Bluetooth connectivity.
  • No do not disturb mode
    This robot vacuum does not have a do not disturb mode, while the average robot vacuum does. 89.3% of robot vacuums offer this.
  • 4 fewer languages supported
    This robot vacuum supports fewer languages than the average robot vacuum (13 vs 17). The average robot vacuum supports 17 languages.
    13 vs 17
  • More basic obstacle avoidance
    This robot vacuum uses infrared for obstacle avoidance, while the average robot vacuum uses hybrid.
    infrared vs hybrid
  • More basic navigation
    This robot vacuum uses gyroscope for navigation, while the average robot vacuum uses LiDAR.
    gyroscope vs LiDAR
  • No no-mop zones
    This robot vacuum does not support no-mop zones, while the average robot vacuum does. 53.1% of robot vacuums support this feature.
  • 5 mm lower threshold clearance
    This robot vacuum can only cross lower thresholds than the average robot vacuum (15 mm vs 20 mm). The average robot vacuum can cross thresholds up to 20 mm high.
    15 mm vs 20 mm
  • Does not map the floor
    This robot vacuum does not map the floor, while the average robot vacuum maps the floor.
  • Does not support map editing
    This robot vacuum does not support map editing, while the average robot vacuum lets you edit maps.
  • Does not store multiple maps
    This robot vacuum does not store multiple maps, while the average robot vacuum stores multiple maps.
  • Does not recognize individual rooms
    This robot vacuum does not recognize individual rooms, while the average robot vacuum recognizes individual rooms.
  • Does not update its map in real time
    This robot vacuum does not update its map in real time, while the average robot vacuum updates its map in real time.
  • Does not support virtual boundaries
    This robot vacuum does not support virtual boundaries, while the average robot vacuum supports virtual boundaries.
  • Does not show its location in real time
    This robot vacuum does not show its location in real time, while the average robot vacuum shows its location in real time.
  • Does not have a floating main brush
    This robot vacuum does not have a floating main brush, while the average robot vacuum has a floating main brush.
  • 1 fewer suction power levels
    This robot vacuum offers fewer suction power levels than the average robot vacuum (3 vs 4). The average robot vacuum offers 4 suction power levels.
    3 vs 4
  • Does not support zone cleaning
    This robot vacuum does not support zone cleaning, while the average robot vacuum supports zone cleaning.
  • Does not support room-by-room cleaning
    This robot vacuum does not support room-by-room cleaning, while the average robot vacuum supports room-by-room cleaning.
  • Non-washable filter
    This robot vacuum does not have a washable filter, while the average robot vacuum does. 72.5% of robot vacuums have a washable filter.
  • 1,000 Pa weaker maximum suction
    This robot vacuum has weaker maximum suction than the average robot vacuum (3,000 Pa vs 4,000 Pa). The average robot vacuum has a maximum suction pressure of 4,000 Pa.
    3,000 Pa vs 4,000 Pa

Video reviews

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

Third-party reviews

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

What customers like about DEENKEE D40

  • Great value for money
  • Strong 3000Pa suction power
  • Effective at picking up cat and dog hair
  • Quiet operation that is non-intrusive during work or meetings
  • Slim profile allows it to glide easily under beds and sofas
  • Logical S-shaped gyroscope navigation path rather than random bouncing
  • Cleans hard floors and low-pile rugs well
  • Easy initial setup process

What customers don't like about DEENKEE D40

  • Lacks advanced smart mapping like permanent multi-room or no-go zone saves
  • Occasional WiFi and app connectivity glitches
  • Takes a long time to fully charge (around 5 hours)
  • Can struggle to automatically find its docking station if the path is cluttered
  • Pushes lighter obstacles around rather than navigating around them safely

Verdict

The DEENKEE D40 is a versatile 3-in-1 hybrid robot vacuum, sweeper, and mop featuring a 3,000Pa max suction power system, a 0.6-liter dust bin, and a 300ml electronic water tank. It features Gyroscope Navigation 3.0 with an optical flow sensor to map layouts efficiently in an S-shaped pattern, and operates quietly at under 55 decibels. Major advantages include its slim 2.75-inch low-profile design that glides easily under low furniture, an impressive 180-minute runtime powered by a 3500mAh battery, AutoBoost technology for carpet cleaning, and smart integration with Amazon Alexa, Google Assistant, and app controls. However, it lacks advanced LiDAR mapping for targeted specific-room cleaning, cannot configure software no-go zones without relying on physical boundary strips, and its anti-drop sensors can experience reduced performance on highly reflective or very dark floors.

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