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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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Roborock S8 review: 118 specs compared

Avg. price:~ÂŁ390Max suction power:6000 PaRuntime:180 minDustbin capacity:400 mLMax threshold height:20 mm

Roborock S8 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.

Roborock S8
8.1/10

Overall score

Score
8.1/ 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%

8.0

Technical score

20%

8.6

User score

â–˛Better than 84% of robot vacuums
8.2

Value for money

Value for money
8.2/ 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%

8.1

Overall score

30%

8.5

Price

â–˛Better than 84%
8.0

Technical score

Technical score
8.0/ 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%

7.4

Cleaning

23%

9.6

Navigation

18%

7.4

Mopping

12%

8.1

Battery

10%

8.8

Smart Features

7%

5.9

Design

â–˛Better than 80%
8.6

User score

User score
8.6/ 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%

8.5

Number of reviews

Based on ratings from across the web.
â–˛Better than 88%
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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 Roborock S8

Technical score
Technical score
8.0/ 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%

7.4

Cleaning

23%

9.6

Navigation

18%

7.4

Mopping

12%

8.1

Battery

10%

8.8

Smart Features

7%

5.9

Design

8.0
User score
User score
8.6/ 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%

8.5

Number of reviews

Based on ratings from across the web.
8.6
Popularity
Popularity
8.5/ 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:
Roborock S8 has a popularity index of 8.5, higher than that of 74.3% of robot vacuums and equal to that of 2.4% of robot vacuums.
8.5
Value for money
Value for money
8.2/ 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%

8.1

Overall score

30%

8.5

Price

8.2
Max suction power
6,000 Pa
This robot vacuum has a maximum suction pressure of 6,000 Pa, which is higher than 75.2% of robot vacuums and equal to 3.3% 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
69 W
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
vibrating pad
This robot vacuum uses vibrating pad for mopping. This system is more effective than those on 66.9% of robot vacuums and as effective as those on 12.5% of robot vacuums.
Mop pad type
semi-circular
Mop pad material
polyester and nylon (microfiber)
Mop pressure
612 g
This robot vacuum has a listed mop pressure of 612 g, which is higher than that of 32.4% of robot vacuums and equal to that of 27% of robot vacuums.
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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
Roborock
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
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
180 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
yes
This robot vacuum resumes cleaning after charging. 83.1% of robot vacuums offer this feature.
Show more
Shape
round
Height
96.5 mm
Width
353 mm
Length
350 mm
Weight
4.9 kg
This robot vacuum weighs 4.9 kg, making it heavier than 90.7% of robot vacuums and the same weight as 0.2% of robot vacuums.
Show more

Roborock S8 vs the average robot vacuum

246810TotalBatteryDesignSmart FeaturesNavigationCleaningMopping
  • Lifts its mop over carpets
    This robot vacuum lifts its mop over carpets, while the average robot vacuum does not lift its mop automatically.
  • 2,000 Pa stronger maximum suction
    This robot vacuum has stronger maximum suction than the average robot vacuum (6,000 Pa vs 4,000 Pa). The average robot vacuum has a maximum suction pressure of 4,000 Pa.
    6,000 Pa vs 4,000 Pa
  • 120 m² larger cleaning area
    This robot vacuum has a larger maximum cleaning area than the average robot vacuum (300 m² vs 180 m²). The average robot vacuum has a maximum cleaning area of 180 m².
    300 m² vs 180 m²
  • Vibrating mop
    This robot vacuum has a vibrating mop, while the average robot vacuum does not. 11.3% of robot vacuums have a vibrating mop.
  • 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
  • Better mopping system
    This robot vacuum uses vibrating pad for mopping, while the average robot vacuum uses static pad.
    vibrating pad vs static pad
  • 20 mm wider main brush
    This robot vacuum has a wider main brush than the average robot vacuum (198 mm vs 178 mm). The average robot vacuum has a main brush 178 mm wide.
    198 mm vs 178 mm
  • 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.
  • 7.6% higher user score
    User score
    8.6/ 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
    â–Ľ
    <55-66-77-88-99-10
    Roborock S8
    the average robot vacuum
    Roborock S8 has a higher user score than the average robot vacuum (8.60 vs 8.000).
    8.6 vs 8
  • 8.6% better value for money
    Roborock S8 has better value for money than the average robot vacuum (8.24 vs 7.6).
    8.24 vs 7.59
  • 120 m² larger cleaning area
    This robot vacuum has a larger maximum cleaning area than the average robot vacuum (300 m² vs 180 m²). The average robot vacuum has a maximum cleaning area of 180 m².
    300 m² vs 180 m²
  • 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
  • 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
  • Supports off-peak charging
    This robot vacuum supports off-peak charging, while the average robot vacuum does not support off-peak charging.
  • 0.5 h shorter charging time
    This robot vacuum takes less time to recharge fully than the average robot vacuum (4 h vs 4.5 h). The average robot vacuum takes 4.5 h.
    4 h vs 4.5 h
  • 0.3 m longer power cord
    This robot vacuum has a longer power cord than the average robot vacuum (1.8 m vs 1.5 m). The average robot vacuum's power cord is 1.5 m long.
    1.8 m vs 1.5 m
  • 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
  • 2,000 Pa stronger maximum suction
    This robot vacuum has stronger maximum suction than the average robot vacuum (6,000 Pa vs 4,000 Pa). The average robot vacuum has a maximum suction pressure of 4,000 Pa.
    6,000 Pa vs 4,000 Pa
  • 20 mm wider main brush
    This robot vacuum has a wider main brush than the average robot vacuum (198 mm vs 178 mm). The average robot vacuum has a main brush 178 mm wide.
    198 mm vs 178 mm
  • Lifts its mop over carpets
    This robot vacuum lifts its mop over carpets, while the average robot vacuum does not lift its mop automatically.
  • Vibrating mop
    This robot vacuum has a vibrating mop, while the average robot vacuum does not. 11.3% of robot vacuums have a vibrating mop.
  • Better mopping system
    This robot vacuum uses vibrating pad for mopping, while the average robot vacuum uses static pad.
    vibrating pad vs static pad
  • Supports cleaning solution
    This robot vacuum supports cleaning solution for mopping, while the average robot vacuum does not. 44.8% of robot vacuums support this.
  • 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
  • 4 % lower filter efficiency
    This robot vacuum has lower filter efficiency than the average robot vacuum (95 % vs 99 %). The average robot vacuum has a filter efficiency of 99 %.
    95 % vs 99 %
  • 37.3% heavier
    This robot vacuum is heavier than the average robot vacuum (4.9 kg vs 3.57 kg). The average robot vacuum weighs 3.57 kg.
    4.9 kg vs 3.57 kg
  • More basic filter
    This robot vacuum uses a EPA 11 filter, while the average robot vacuum uses HEPA.
    EPA 11 vs HEPA
  • Does not include a cleaning tool
    This robot vacuum does not include a cleaning tool, while the average robot vacuum includes a cleaning tool.
  • 2 dB louder
    This robot vacuum has a higher reported cleaning noise level than the average robot vacuum (67 dB vs 65 dB). The average robot vacuum has a reported noise level of 65 dB.
    67 dB vs 65 dB
  • 50% more expensive
    Roborock S8 is more expensive than the average robot vacuum (ÂŁ390 vs ÂŁ260).
    ÂŁ390 vs ÂŁ260
  • 50% more expensive
    Roborock S8 is more expensive than the average robot vacuum (ÂŁ390 vs ÂŁ260).
    ÂŁ390 vs ÂŁ260
  • 37.3% heavier
    This robot vacuum is heavier than the average robot vacuum (4.9 kg vs 3.57 kg). The average robot vacuum weighs 3.57 kg.
    4.9 kg vs 3.57 kg
  • 2 dB louder
    This robot vacuum has a higher reported cleaning noise level than the average robot vacuum (67 dB vs 65 dB). The average robot vacuum has a reported noise level of 65 dB.
    67 dB vs 65 dB
  • 4 % lower filter efficiency
    This robot vacuum has lower filter efficiency than the average robot vacuum (95 % vs 99 %). The average robot vacuum has a filter efficiency of 99 %.
    95 % vs 99 %
  • More basic filter
    This robot vacuum uses a EPA 11 filter, while the average robot vacuum uses HEPA.
    EPA 11 vs HEPA
  • Does not include a cleaning tool
    This robot vacuum does not include a cleaning tool, while the average robot vacuum includes a cleaning tool.

Video reviews

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

Expert reviews

In-depth analysis and verdict from leading tech publications

H
howtogeek.com
18/07/2023
Summary of the review
S
senses.se
04/07/2023
Summary of the review
R
rtings.com
27/06/2023
Summary of the review
M
maison-et-domotique.com
21/07/2026
Summary of the review
S
smartzone.de
02/05/2023
Summary of the review
C
chip.de
22/06/2023
Summary of the review
H
heise.de
11/07/2023
Summary of the review
R
ratgeber.pcgameshardware.de
24/05/2024
Summary of the review
S
smarthomeassistent.de
22/11/2024
Summary of the review
L
lesnumeriques.com
17/03/2023
Summary of the review
P
phonandroid.com
17/03/2023
Summary of the review
C
clubic.com
29/04/2023
Summary of the review
H
hogarsys.es
03/10/2023
Summary of the review
S
smartworld.it
20/03/2023
Summary of the review
T
tuttoandroid.net
25/05/2023
Summary of the review
M
maison-et-domotique.com
23/03/2025
Summary of the review
M
maison-et-domotique.com
23/03/2025
Summary of the review
N
notebookcheck.nl
20/03/2023
Summary of the review
T
tweakers.net
25/11/2023
Summary of the review
C
consumentenbond.nl
No publication date listed
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 Roborock S8

  • Excellent dual brushroll suction for pet hair and carpet cleaning
  • Advanced mapping technology creates detailed maps of the home very quickly
  • Highly effective obstacle avoidance system for navigating around daily clutter
  • Good app control with room/zone selection and scheduling capabilities
  • Strong, reliable suction power on hard floors
  • Self-washing and self-drying mop system (on Pro Ultra model)

What customers don't like about Roborock S8

  • Basic dock on standard S8 only provides charging (no self-emptying)
  • Mop can produce streaks at the start of cleaning if not pre-wet
  • Struggles with small, thin items like charging cables
  • Slightly worse carpet cleaning performance on fine dirt compared to hard surfaces
  • Does not effectively avoid pet accidents

Verdict

The Roborock S8 is a premium robot vacuum and mop that delivers 6,000 Pa of suction pressure, utilizing a 5,200 mAh Li-Ion battery for up to 180 minutes of runtime. It is characterized by its dual rubber DuoRoller brushes to minimize hair tangles, PreciSense LiDAR navigation paired with 3D structured light obstacle avoidance, and a VibraRise sonic mopping system that scrubs floors 3,000 times per minute while lifting up to 5mm to protect carpets. Main pros include exceptional pet hair pickup, highly precise mapping through its dedicated app, and effective carpet detection that increases suction automatically. However, major cons include a relatively small onboard dust container (0.35L to 0.4L) and water tank (0.3L) that demand frequent manual emptying and refilling on the base model, struggling with deep fine debris extraction in tight corners, and the inability to seal in microscopic allergens effectively.

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