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XIAOMI Robot Vacuum X20 Pro vs iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function

Updated August 2026The XIAOMI Robot Vacuum X20 Pro offers superior suction power and battery life at a lower price, making it a great value. However, the iRobot Roomba® 405 Combo excels in mopping technology and smart features.

The XIAOMI Robot Vacuum X20 Pro offers superior suction power and battery life at a lower price, making it a great value. However, the iRobot Roomba® 405 Combo excels in mopping technology and smart features.

Why XIAOMI Robot Vacuum X20 Pro is better

Suction Power

XIAOMI has a specific suction power of 7000Pa.

Battery Life

XIAOMI lasts up to 160 minutes on a single charge.

Price

XIAOMI is priced at £299.99, which is lower than iRobot.

Why iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function is better

Mopping Technology

iRobot features DualClean Mop Pads for deeper cleaning.

Navigation

iRobot uses ClearView LiDAR for efficient mapping.

Smart Features

iRobot has an intuitive app for custom routines.

Overall score

XIAOMI Robot Vacuum X20 Pro
85
iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function
78

Specifications

SpecXIAOMI Robot Vacuum X20 ProiRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function
Suction Power7000Pa70x more than Roomba 600
Battery Life160 minsNot specified
Mop FunctionAuto washDualClean Mop Pads
NavigationObstacle avoidanceClearView LiDAR
Price£299.99£349.00

Dimension comparison

XIAOMI Robot Vacuum X20 ProiRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function

Overview of the Products

In the world of robotic vacuums, the XIAOMI Robot Vacuum X20 Pro and the iRobot Roomba® 405 Combo stand out for their unique features and functionalities. The XIAOMI model is currently priced at £299.99, while the iRobot variant comes in higher at £349.00. Both products aim to simplify cleaning routines, but they do so with different technologies and capabilities.

Suction Power

The XIAOMI Robot Vacuum X20 Pro boasts a powerful suction fan blower with a maximum suction power of 7000Pa. This enables it to efficiently collect dust, debris, and hair from various floor types. The iRobot Roomba® 405 Combo, on the other hand, provides 70 times more suction compared to its predecessors in the Roomba 600 series, although the exact suction power in Pa isn't specified. While both vacuums promise strong suction, the XIAOMI offers a specific numerical value that demonstrates its robust performance, making it an appealing option for those who prioritise suction strength.

Mopping Functionality

The mopping capabilities of both models are impressive but differ in their approach. The XIAOMI Robot Vacuum X20 Pro features an automatic mop washing system, which allows for cleaner mopping pads by washing them after use, complemented by hot air drying. The iRobot Roomba® 405 Combo doubles down on mopping with DualClean Mop Pads that provide 2x deeper scrubbing and can work with either cleaning solutions or water. While both models enhance floor cleanliness, the Roomba's dual mopping technology may provide a more thorough clean for particularly dirty surfaces.

When it comes to navigation, both models utilise advanced technologies to ensure efficient cleaning. The XIAOMI Robot Vacuum X20 Pro employs a high-precision obstacle avoidance system, integrating 120° wide-area structured light and edge sensors to avoid collisions seamlessly. In contrast, the iRobot Roomba® 405 Combo features ClearView LiDAR, which quickly maps your home and cleans in neat rows, even in low-light conditions. While both systems offer reliable navigation, the use of LiDAR in the iRobot model may give it an edge in terms of mapping accuracy and speed.

Battery Life

The XIAOMI Robot Vacuum X20 Pro is equipped with a long-lasting 5200mAh battery, providing up to 160 minutes of cleaning time in Standard mode. This is particularly beneficial for larger homes, as it can handle extensive cleaning without needing to recharge frequently. The battery life of the iRobot Roomba® 405 Combo is not specified, but the AutoWash Dock ensures 75 days of auto-emptying and continuous pad refreshing, suggesting a more hands-off approach to maintenance. However, without concrete battery duration figures, the XIAOMI clearly provides a more defined capability in this area.

Ease of Use and Maintenance

Both robotic vacuums feature user-friendly designs aimed at simplifying home cleaning. The XIAOMI Robot Vacuum X20 Pro includes a convenient cleaning tray for easy maintenance and a large 4L clean water tank, allowing for efficient mopping across 120 square metres. Conversely, the iRobot Roomba® 405 Combo includes an intuitive Roomba Home app that facilitates custom cleaning routines and provides insights into filter health. While the XIAOMI offers practical features for maintenance, the Roomba app enhances user experience through its smart technology, appealing to tech-savvy users.

Customisation and Control

Customisation is a key factor in modern robotic vacuums, and both models offer distinct advantages. The XIAOMI Robot Vacuum X20 Pro supports four adjustable suction speeds – Silent, Standard, Strong, and Turbo – allowing users to tailor the cleaning power to their specific needs. In contrast, the iRobot Roomba® 405 Combo allows users to select between vacuuming, mopping, or a combination of both, offering a more versatile cleaning experience. Additionally, the Roomba can be controlled through voice assistants like Alexa and Google Assistant, providing an extra layer of convenience for smart home integration.

Price Comparison

The XIAOMI Robot Vacuum X20 Pro is priced at £299.99, making it the more budget-friendly option compared to the iRobot Roomba® 405 Combo, which retails at £349.00. This price difference could influence consumers looking for effective cleaning solutions without breaking the bank. While both models come with advanced features, the XIAOMI provides significant value, especially for those prioritising suction power and battery life, while the iRobot may justify its higher price with superior mopping technology and smart app integration.

Which should you buy?

Ultimately, the choice between the XIAOMI Robot Vacuum X20 Pro and the iRobot Roomba® 405 Combo depends on your specific cleaning needs and budget. If you prioritise powerful suction and longer battery life at a lower price, the XIAOMI is an excellent choice. However, if you're looking for advanced mopping capabilities and smart features that can simplify your cleaning routine, the iRobot may be worth the higher investment. Each model offers distinct advantages, ensuring that either option can significantly enhance your cleaning experience.

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XIAOMI Robot Vacuum X20 Pro vs iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function | versusfinder