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Cecotec Conga 8290 Immortal Ultra review: 118 specs compared

Avg. price:~£250Max suction power:7000 PaRuntime:280 minDustbin capacity:300 mLMax threshold height:20 mm

Cecotec Conga 8290 Immortal Ultra 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.

Cecotec Conga 8290 Immortal Ultra
7.8/10

Overall score

Score
7.8/ 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–² Better than 75% of models
Score components

80%

7.7

Technical score

20%

7.9

User score

â–²Better than 75% of robot vacuums
8.2

Value for money

Value for money
8.2/ 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–² Better than 84% of models
Score components

70%

7.8

Overall score

30%

9.2

Price

â–²Better than 84%
7.7

Technical score

Technical score
7.7/ 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–² Better than 75% of models
Score components

30%

7.6

Cleaning

23%

8.0

Navigation

18%

6.7

Mopping

12%

8.7

Battery

10%

8.6

Smart Features

7%

7.3

Design

â–²Better than 75%
7.9

User score

User score
7.9/ 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 65% of models
Score components

70%

7.8

User ratings

30%

8.1

Number of reviews

Based on ratings from across the web.
â–¼Worse than 65%
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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 Cecotec Conga 8290 Immortal Ultra

Technical score
Technical score
7.7/ 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–² Better than 75% of models
Score components:

30%

7.6

Cleaning

23%

8.0

Navigation

18%

6.7

Mopping

12%

8.7

Battery

10%

8.6

Smart Features

7%

7.3

Design

7.7
User score
User score
7.9/ 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 65% of models
Score components

70%

7.8

User ratings

30%

8.1

Number of reviews

Based on ratings from across the web.
7.9
Popularity
Popularity
8.1/ 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–² Better than 68% of models
Popularity:
Cecotec Conga 8290 Immortal Ultra has a popularity index of 8.1, higher than that of 67.7% of robot vacuums and equal to that of 1.4% of robot vacuums.
8.1
Value for money
Value for money
8.2/ 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–² Better than 84% of models
Score components:

70%

7.8

Overall score

30%

9.2

Price

8.2
Max suction power
7,000 Pa
Market range: <1.6k Pa – >12k Pa
This robot vacuum has a maximum suction pressure of 7,000 Pa, which is higher than 78.7% of robot vacuums and equal to 3.5% 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
10
Market range: <2 – >5
This robot vacuum offers 10 cleaning modes, which is more than 99.1% of robot vacuums offer and the same number as 0.7% 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
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
microfiber
Mop pressure
?
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Primary navigation technology
laser
This robot vacuum uses laser as its primary navigation system, which is less capable than the systems in 65.5% of robot vacuums and matched by 3% 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
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
Cecotec
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
Market range: <2.4k mAh – >5.2k 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
280 min
Market range: <90 min – >240 min
This robot vacuum runs for 280 min per charge, which is longer than 96.6% of robot vacuums and equal to 0.8% 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
round
Height
102 mm
Width
350 mm
Length
350 mm
Weight
3.35 kg
Market range: <2.59 kg – >4.76 kg
This robot vacuum weighs 3.35 kg, making it lighter than 60.8% of robot vacuums and the same weight as 0.4% of robot vacuums.
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Cecotec Conga 8290 Immortal Ultra vs the average robot vacuum

246810TotalBatteryDesignSmart FeaturesNavigationCleaningMopping
  • 3,000 Pa stronger maximum suction
    This robot vacuum has stronger maximum suction than the average robot vacuum (7,000 Pa vs 4,000 Pa). The average robot vacuum has a maximum suction pressure of 4,000 Pa.
    7,000 Pa vs 4,000 Pa
  • 130 min longer runtime
    This robot vacuum runs longer per charge than the average robot vacuum (280 min vs 150 min). The average robot vacuum runs for 150 min.
    280 min vs 150 min
  • 6 more cleaning modes
    This robot vacuum offers more cleaning modes than the average robot vacuum (10 vs 4). The average robot vacuum offers 4 cleaning modes.
    10 vs 4
  • Empties its dustbin automatically
    This robot vacuum empties its dustbin automatically, while the average robot vacuum requires manual dustbin emptying.
  • 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
  • 100 m² larger cleaning area
    This robot vacuum has a larger maximum cleaning area than the average robot vacuum (280 m² vs 180 m²). The average robot vacuum has a maximum cleaning area of 180 m².
    280 m² vs 180 m²
  • 110 mL more onboard water capacity
    This robot vacuum has a larger onboard water tank than the average robot vacuum (350 mL vs 240 mL). The average robot vacuum's onboard water tank holds 240 mL.
    350 mL vs 240 mL
  • 8.1% better value for money
    Cecotec Conga 8290 Immortal Ultra has better value for money than the average robot vacuum (8.2 vs 7.6).
    8.2 vs 7.59
  • 130 min longer runtime
    This robot vacuum runs longer per charge than the average robot vacuum (280 min vs 150 min). The average robot vacuum runs for 150 min.
    280 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
  • 100 m² larger cleaning area
    This robot vacuum has a larger maximum cleaning area than the average robot vacuum (280 m² vs 180 m²). The average robot vacuum has a maximum cleaning area of 180 m².
    280 m² vs 180 m²
  • Newer model
    This robot vacuum was released in 2024, later than the average robot vacuum in 2023. The average release year for robot vacuums is 2023.
    2024 vs 2023
  • 15 more languages supported
    This robot vacuum supports more languages than the average robot vacuum (32 vs 17). The average robot vacuum supports 17 languages.
    32 vs 17
  • 3,000 Pa stronger maximum suction
    This robot vacuum has stronger maximum suction than the average robot vacuum (7,000 Pa vs 4,000 Pa). The average robot vacuum has a maximum suction pressure of 4,000 Pa.
    7,000 Pa vs 4,000 Pa
  • 6 more cleaning modes
    This robot vacuum offers more cleaning modes than the average robot vacuum (10 vs 4). The average robot vacuum offers 4 cleaning modes.
    10 vs 4
  • Empties its dustbin automatically
    This robot vacuum empties its dustbin automatically, while the average robot vacuum requires manual dustbin emptying.
  • 16 mm wider main brush
    This robot vacuum has a wider main brush than the average robot vacuum (194 mm vs 178 mm). The average robot vacuum has a main brush 178 mm wide.
    194 mm vs 178 mm
  • Better mopping system
    This robot vacuum uses vibrating pad for mopping, while the average robot vacuum uses static pad.
    vibrating pad vs static pad
  • 110 mL more onboard water capacity
    This robot vacuum has a larger onboard water tank than the average robot vacuum (350 mL vs 240 mL). The average robot vacuum's onboard water tank holds 240 mL.
    350 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
  • 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 store multiple maps
    This robot vacuum does not store multiple maps, while the average robot vacuum stores multiple maps.
  • 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
  • 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.
  • More basic navigation
    This robot vacuum uses laser for navigation, while the average robot vacuum uses LiDAR.
    laser vs LiDAR
  • 100 mL smaller dustbin
    This robot vacuum has a smaller onboard dustbin than the average robot vacuum (300 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    300 mL vs 400 mL
  • More basic obstacle avoidance
    This robot vacuum uses LiDAR for obstacle avoidance, while the average robot vacuum uses hybrid.
    LiDAR vs hybrid
  • Does not store multiple maps
    This robot vacuum does not store multiple maps, while the average robot vacuum stores multiple maps.
  • More basic navigation
    This robot vacuum uses laser for navigation, while the average robot vacuum uses LiDAR.
    laser vs LiDAR
  • 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
  • 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.
  • 100 mL smaller dustbin
    This robot vacuum has a smaller onboard dustbin than the average robot vacuum (300 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    300 mL vs 400 mL

Video reviews

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

Expert reviews

In-depth analysis and verdict from leading tech publications

T
teknofilo.com
30/05/2024
Summary of the review
Review and Opinion of Conga 8290 Immortal Ultra Power
(Translated)Show original
A
ahorradoras.com
09/11/2023
Summary of the review
We test the Conga 8290 Immortal Ultra Power Home Genesis
(Translated)Show original

Third-party reviews

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

What customers like about Cecotec Conga 8290 Immortal Ultra

  • Powerful 7000 Pa suction motor effectively removes embedded dirt, crumbs, and debris.
  • Excellent at collecting pet hair, making it highly suitable for homes with multiple animals.
  • Efficient iTech Laser Eye navigation maps the house accurately for organized, straight-line cleaning.
  • Impressive 5200 mAh battery life providing up to 280 minutes of runtime to easily clean large areas on one charge.
  • Self-emptying base offers massive convenience, requiring a dustbag change only a few times a year.
  • Support for custom scheduling, specific room cleaning selection, and restricted zone mapping via the app.
  • Good overall price-to-quality ratio compared to much higher-priced flagship competitors.

What customers don't like about Cecotec Conga 8290 Immortal Ultra

  • Mopping functionality is basic, often just superficially moistening the floor rather than scrubbing off stubborn or dried stains.
  • The official smartphone app feels unpolished and could benefit from a more intuitive user interface design.
  • The vacuum operates with a noticeably loud noise level, especially on higher suction settings, which can disrupt video calls or remote work.
  • The device can occasionally skip rooms or stray from the designated programming path without an obvious reason.
  • Frustrating standby power management, as there is no option to completely turn off the vacuum or base to save electricity when not in use.
  • Finding official replacement parts directly on the manufacturer's website can sometimes be difficult for users.

Verdict

The Cecotec Conga 8290 Immortal Ultra is a 4-in-1 robot vacuum that sweeps, vacuums, scrubs, and mops, featuring advanced iTech Laser Eye navigation for precise 360-degree mapping and room planning. Its primary advantages include an exceptionally high suction power of 7000 Pa, an expansive 280-minute runtime driven by a 5200 mAh battery capable of covering up to 280 m², 10 customizable cleaning modes, and an automated self-emptying base equipped with a 3-litre dirt-disposal bag. However, notable drawbacks include a somewhat basic mopping performance that struggles with stubborn stains, a bulky self-emptying dock that requires significant floor space, and an un-ergonomic smartphone application that users find overcomplicated and in need of a simplification update.

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