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Electrolux Purei8 PI81-4SWN review: 118 specs compared

Avg. price:~£190Max suction power:?Runtime:60 minDustbin capacity:700 mLMax threshold height:22 mm

Electrolux Purei8 PI81-4SWN 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.

Electrolux Purei8 PI81-4SWN
6.3/10

Overall score

Score
6.3/ 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 75% of models
Score components

80%

6.3

Technical score

20%

?

User score

â–¼Worse than 75% 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%

6.3

Overall score

30%

9.5

Price

â–¼Worse than 71%
6.3

Technical score

Technical score
6.3/ 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 67% of models
Score components

30%

7.0

Cleaning

23%

7.1

Navigation

18%

3.9

Mopping

12%

5.1

Battery

10%

8.4

Smart Features

7%

5.7

Design

â–¼Worse than 67%
?

User score

User score
8.0/ 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 62% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

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Where to buy
    N/A~ £190
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 Electrolux Purei8 PI81-4SWN

Technical score
Technical score
6.3/ 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 67% of models
Score components:

30%

7.0

Cleaning

23%

7.1

Navigation

18%

3.9

Mopping

12%

5.1

Battery

10%

8.4

Smart Features

7%

5.7

Design

6.3
User score
User score
8.0/ 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 62% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 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 99% of models
Popularity:
Electrolux Purei8 PI81-4SWN has a popularity index of 1, lower than that of 70.7% of robot vacuums and equal to that of 29.3% of robot vacuums.
1.0
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%

6.3

Overall score

30%

9.5

Price

7.3
Max suction power
?
N. of suction power levels
2
Market range: <2 – >4
This robot vacuum has 2 suction power levels, which is fewer than 86.1% of robot vacuums offer and the same number as 5.9% 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
35 W
Cleaning modes
3
Market range: <2 – >5
This robot vacuum offers 3 cleaning modes, which is fewer than 62% of robot vacuums offer and the same number as 27.7% of robot vacuums offer.
Show more
Mopping capability
no
This robot vacuum cannot mop floors, although 79% of robot vacuums offer this feature.
Mopping system type
none
This robot vacuum uses none for mopping. This system is less effective than those on 79.8% of robot vacuums and as effective as those on 20.2% of robot vacuums.
Mop pad type
none
Mop pad material
none
Mop pressure
N/A
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Primary navigation technology
camera
This robot vacuum uses camera as its primary navigation system, which is less capable than the systems in 68.6% of robot vacuums and matched by 3.6% 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
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
?
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
yes
This robot vacuum supports Bluetooth connectivity. 35.5% of robot vacuums support Bluetooth connectivity.
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Battery capacity
2,500 mAh
Market range: <2.4k mAh – >5.2k mAh
This robot vacuum has a battery capacity of 2,500 mAh, which is lower than 86.1% of robot vacuums and equal to 3% of robot vacuums.
Battery type
Li-ion
Battery voltage
14.4 V
Runtime
60 min
Market range: <90 min – >240 min
This robot vacuum runs for 60 min per charge, which is shorter than 98.6% of robot vacuums and equal to 1% of robot vacuums.
Recharge and resume
yes
This robot vacuum resumes cleaning after charging. 83.1% of robot vacuums offer this feature.
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Shape
triangular
Height
85 mm
Width
325 mm
Length
325 mm
Weight
3.38 kg
Market range: <2.59 kg – >4.76 kg
This robot vacuum weighs 3.38 kg, making it lighter than 60.4% of robot vacuums and the same weight as 0.2% of robot vacuums.
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Electrolux Purei8 PI81-4SWN vs the average robot vacuum

246810TotalBatteryDesignSmart FeaturesNavigationCleaningMopping
  • 300 mL larger dustbin
    This robot vacuum has a larger onboard dustbin than the average robot vacuum (700 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    700 mL vs 400 mL
  • Detects dirtier areas
    This robot vacuum detects dirtier areas, while the average robot vacuum does not detect dirtier areas.
  • 52 mm wider main brush
    This robot vacuum has a wider main brush than the average robot vacuum (230 mm vs 178 mm). The average robot vacuum has a main brush 178 mm wide.
    230 mm vs 178 mm
  • 1.5 h shorter charging time
    This robot vacuum takes less time to recharge fully than the average robot vacuum (3 h vs 4.5 h). The average robot vacuum takes 4.5 h.
    3 h vs 4.5 h
  • 2 mm higher threshold clearance
    This robot vacuum can cross higher thresholds than the average robot vacuum (22 mm vs 20 mm). The average robot vacuum can cross thresholds up to 20 mm high.
    22 mm vs 20 mm
  • Dustbin full alert
    This robot vacuum alerts you when its dustbin is full, while the average robot vacuum does not. 19.5% of robot vacuums offer a dustbin full indicator.
  • 4.09 kg lighter base station
    This robot vacuum has a lighter base station than the average robot vacuum (0.2 kg vs 4.3 kg). The average robot vacuum's base station weighs 4.3 kg.
    0.21 kg vs 4.3 kg
  • More advanced display
    This robot vacuum has a more advanced display type than the average robot vacuum (LED vs none).
    LED vs none
  • 1.5 h shorter charging time
    This robot vacuum takes less time to recharge fully than the average robot vacuum (3 h vs 4.5 h). The average robot vacuum takes 4.5 h.
    3 h vs 4.5 h
  • 0.1 W lower standby power consumption
    This robot vacuum draws less power in standby than the average robot vacuum (1.9 W vs 2 W). The average robot vacuum draws 2 W in standby.
    1.9 W vs 2 W
  • More advanced display
    This robot vacuum has a more advanced display type than the average robot vacuum (LED vs none).
    LED vs none
  • 4.09 kg lighter base station
    This robot vacuum has a lighter base station than the average robot vacuum (0.2 kg vs 4.3 kg). The average robot vacuum's base station weighs 4.3 kg.
    0.21 kg vs 4.3 kg
  • 2 mm higher threshold clearance
    This robot vacuum can cross higher thresholds than the average robot vacuum (22 mm vs 20 mm). The average robot vacuum can cross thresholds up to 20 mm high.
    22 mm vs 20 mm
  • 300 mL larger dustbin
    This robot vacuum has a larger onboard dustbin than the average robot vacuum (700 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    700 mL vs 400 mL
  • Detects dirtier areas
    This robot vacuum detects dirtier areas, while the average robot vacuum does not detect dirtier areas.
  • 52 mm wider main brush
    This robot vacuum has a wider main brush than the average robot vacuum (230 mm vs 178 mm). The average robot vacuum has a main brush 178 mm wide.
    230 mm vs 178 mm
  • Dustbin full alert
    This robot vacuum alerts you when its dustbin is full, while the average robot vacuum does not. 19.5% of robot vacuums offer a dustbin full indicator.
  • 2 fewer suction power levels
    This robot vacuum offers fewer suction power levels than the average robot vacuum (2 vs 4). The average robot vacuum offers 4 suction power levels.
    2 vs 4
  • 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.
  • 1 fewer cleaning modes
    This robot vacuum offers fewer cleaning modes than the average robot vacuum (3 vs 4). The average robot vacuum offers 4 cleaning modes.
    3 vs 4
  • 90 min shorter runtime
    This robot vacuum runs for less time per charge than the average robot vacuum (60 min vs 150 min). The average robot vacuum runs for 150 min.
    60 min vs 150 min
  • Does not map the floor
    This robot vacuum does not map the floor, while the average robot vacuum maps the floor.
  • Does not store multiple maps
    This robot vacuum does not store multiple maps, while the average robot vacuum stores multiple maps.
  • 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 zone cleaning
    This robot vacuum does not support zone cleaning, while the average robot vacuum supports zone cleaning.
  • 6.53x less popular
    Electrolux Purei8 PI81-4SWN is less popular than the average robot vacuum (1 vs 6.5).
    1 vs 6.53
  • 4.6% worse value for money
    Electrolux Purei8 PI81-4SWN has worse value for money than the average robot vacuum (7.25 vs 7.6).
    7.25 vs 7.59
  • 90 min shorter runtime
    This robot vacuum runs for less time per charge than the average robot vacuum (60 min vs 150 min). The average robot vacuum runs for 150 min.
    60 min vs 150 min
  • 700 mAh smaller battery capacity
    This robot vacuum has a smaller battery capacity than the average robot vacuum (2,500 mAh vs 3,200 mAh). The average robot vacuum has a battery capacity of 3,200 mAh.
    2,500 mAh vs 3,200 mAh
  • Older model
    This robot vacuum was released in 2020, earlier than the average robot vacuum in 2023. The average release year for robot vacuums is 2023.
    2020 vs 2023
  • 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
  • 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.
  • Does not map the floor
    This robot vacuum does not map the floor, while the average robot vacuum maps the floor.
  • Does not store multiple maps
    This robot vacuum does not store multiple maps, while the average robot vacuum stores multiple maps.
  • 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.
  • More basic navigation
    This robot vacuum uses camera for navigation, while the average robot vacuum uses LiDAR.
    camera vs LiDAR
  • 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.
  • 2 fewer suction power levels
    This robot vacuum offers fewer suction power levels than the average robot vacuum (2 vs 4). The average robot vacuum offers 4 suction power levels.
    2 vs 4
  • 1 fewer cleaning modes
    This robot vacuum offers fewer cleaning modes than the average robot vacuum (3 vs 4). The average robot vacuum offers 4 cleaning modes.
    3 vs 4
  • Does not support zone cleaning
    This robot vacuum does not support zone cleaning, while the average robot vacuum supports zone cleaning.
  • 14 % lower filter efficiency
    This robot vacuum has lower filter efficiency than the average robot vacuum (85 % vs 99 %). The average robot vacuum has a filter efficiency of 99 %.
    85 % vs 99 %
  • Does not include a cleaning tool
    This robot vacuum does not include a cleaning tool, while the average robot vacuum includes a cleaning tool.
  • Non-washable dustbin
    This robot vacuum does not have a washable dustbin, while the average robot vacuum does. 83.6% of robot vacuums have a washable dustbin.
  • Cannot mop floors
    This robot vacuum cannot mop floors, while the average robot vacuum can mop floors.
  • No water flow control
    This robot vacuum does not support water flow control, while the average robot vacuum does. 70% of robot vacuums support water flow control.
  • Less capable mopping system
    This robot vacuum uses none for mopping, while the average robot vacuum uses static pad.
    none vs static pad
  • 3 fewer water flow levels
    This robot vacuum offers fewer water flow levels than the average robot vacuum (0 vs 3). The average number of water flow levels is 3.
    0 vs 3

Third-party reviews

What customers like about Electrolux Purei8 PI81-4SWN

  • Patented triangular Trinity Shape provides precise, effective cleaning in corners and along baseboards
  • Excellent suction performs particularly well on hard floors and carpets
  • Intelligent, methodical 3D Vision navigation maps the space and avoids obstacles and stair falls
  • Intuitive mobile app simplifies scheduling, zone tracking and remote management
  • Elegant, relatively compact design fits beneath most low furniture and sofas

What customers don't like about Electrolux Purei8 PI81-4SWN

  • Average battery life on large areas may require recharging before completion
  • Limited dustbin capacity needs frequent emptying, especially in homes with pets
  • No self-emptying dock, so regular manual attention is necessary
  • Higher price than entry-level models or competitors with similar features
  • May struggle on thick or long-pile carpets because of the brush system

Verdict

The Electrolux Purei8 PI81-4SWN is a connected robot vacuum cleaner featuring a distinctive triangular Trinity Shapeâ„¢ design and advanced 3D Vision laser-and-camera navigation to map rooms and bypass obstacles seamlessly. This autonomous model delivers systematic cleaning across multiple floor types, utilizes three distinct cleaning modes, boasts a 0.7-litre bagless dustbin, and can overcome thresholds up to 2.2 cm high using its ClimbForceDriveâ„¢ system. Major advantages include intelligent pathing without repeated passes, convenient smartphone app programming, automated recharge-and-resume functionality, and an washable exhaust filter that minimizes recurring costs. However, it is limited by a relatively short battery runtime of up to 60 minutes, a lengthy 210-minute charge time, a lack of built-in mopping capability, and a tendency to struggle with tangled cords or tightly spaced furniture legs.

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