Shark PowerDetect Robot Vacuum with 60-Day Self-emptying Base - For Carpets vs iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function
Updated August 2026 — The Shark PowerDetect offers excellent value with strong allergen control, while the iRobot Roomba 405 Combo excels in advanced mopping capabilities.
The Shark PowerDetect offers excellent value with strong allergen control, while the iRobot Roomba 405 Combo excels in advanced mopping capabilities.
Why Shark PowerDetect Robot Vacuum with 60-Day Self-emptying Base - For Carpets is better
price
Shark is £49.01 cheaper
allergen control
captures 99.9% of dust and allergens
self-emptying
60-day self-emptying base
Why iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function is better
suction power
70x more suction than Roomba 600 series
mopping function
dual mop pads for deeper cleaning
maintenance
75 days of auto-emptying and pad washing
Overall score
Specifications
| Spec | Shark PowerDetect Robot Vacuum with 60-Day Self-emptying Base - For Carpets | iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function |
|---|---|---|
| Brand | Shark | iRobot |
| Cleaning Tech | 3x PowerDetect | DualClean Mop |
| App Control | Yes | Yes |
| Voice Control | Alexa, Google | Alexa, Google, Siri |
| Weight | 3.5 kg | 3.9 kg |
Dimension comparison
Price Comparison
When it comes to price, the Shark PowerDetect Robot Vacuum is more budget-friendly at £299.99 compared to the iRobot Roomba 405 Combo, which is priced at £349.00. This £49.01 difference may be significant for many consumers, especially those looking for a robust cleaning solution without breaking the bank. Both vacuums are equipped with advanced features, but the Shark offers a more economical entry point into the robotic vacuum market. Therefore, if price is a primary consideration, the Shark PowerDetect provides excellent value.
Cleaning Technology
The Shark PowerDetect boasts three distinct cleaning technologies that detect dirt and adapt to various floor types, ensuring thorough coverage across all surfaces. It effectively targets hidden debris and stains, making it suitable for households with diverse flooring. In contrast, the iRobot Roomba 405 Combo features 70 times more suction power compared to its predecessors, along with dual mop pads for deeper cleaning. While the Shark excels in detecting and adapting to dirt, the Roomba offers superior suction and a dedicated mopping function, catering to homes with significant messes.
Maintenance and Convenience
In terms of maintenance, the Shark PowerDetect stands out with its 60-day self-emptying base, allowing users to enjoy hassle-free cleaning without daily intervention. This feature is particularly beneficial for busy households or pet owners who may struggle with regular vacuuming. The iRobot Roomba 405 Combo, on the other hand, has an AutoWash Dock that provides 75 days of auto-emptying and up to four weeks of mopping, along with automatic pad washing. While both vacuums reduce the frequency of manual maintenance, the Roomba's comprehensive cleaning and maintenance system positions it as a more advanced option for those wanting a complete hands-off experience.
Mapping and Navigation
The Shark PowerDetect employs 3D 360° LiDAR vision mapping, allowing it to efficiently navigate around obstacles while mapping your home. This technology enhances its ability to customise cleaning schedules and set no-go zones through a user-friendly app. In comparison, the iRobot Roomba 405 Combo utilises ClearView LiDAR for rapid mapping, which also enables obstacle avoidance and neat row cleaning. While both models offer advanced navigation capabilities, the Shark's ability to manage and edit maps through voice assistants may appeal more to tech-savvy users who appreciate customisation.
Cleaning Coverage
When discussing cleaning coverage, the Shark PowerDetect excels with its NeverStuck Technology, which helps it traverse thresholds and obstacles, thereby adapting to various surfaces like thick carpets and bumps. This adaptability ensures that every nook and cranny of your home is cleaned effectively. The iRobot Roomba 405 Combo, however, allows users to control cleaning preferences more specifically, offering four levels of suction and the ability to send the robot to particular rooms for targeted cleaning. The Shark's versatile cleaning technology may provide broader coverage, but the Roomba's custom cleaning options cater to specific needs, making it a worthy contender.
Allergens and Odour Control
The Shark PowerDetect is particularly well-suited for allergy sufferers, featuring an anti-allergen complete seal that captures 99.9% of dust and allergens. Additionally, its anti-odour technology helps maintain fresh air quality, making it ideal for pet owners. The iRobot Roomba 405 Combo does not explicitly mention allergen filtration but offers a multi-surface rubber brush that works effectively against pet hair and debris. While both vacuums aim to enhance indoor air quality, the Shark's targeted allergen management may be more advantageous for sensitive users.
App Integration and Control
In terms of app integration, both vacuums offer smart control features. The Shark PowerDetect can be customised via an app, Amazon Alexa, or Hey Google, allowing users to schedule cleaning, edit maps, and create no-go zones easily. The iRobot Roomba 405 Combo also features an easy-to-use app that provides insights into cleaning routines and filter health, as well as compatibility with voice assistants like Alexa and Google Assistant. While both offer robust app support, the Shark's more extensive mapping capabilities may provide a better user experience for those who prioritise customisation.
Which should you buy?
Choosing between the Shark PowerDetect Robot Vacuum and the iRobot Roomba 405 Combo ultimately depends on your specific needs and preferences. If you are looking for a more affordable option with excellent allergen control and user-friendly smart features, the Shark PowerDetect is a fantastic choice. However, if you require advanced mopping capabilities and a comprehensive cleaning system with extensive maintenance features, the iRobot Roomba 405 Combo justifies its higher price point. Each vacuum has its strengths, so consider your cleaning habits and household requirements when making your decision.
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