iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function vs ECOVACS DEEBOT T90 PRO OMNI Robot Vacuum Cleaner with Mop
Updated August 2026 — The ECOVACS DEEBOT T90 PRO OMNI offers superior suction and mopping capabilities, making it the better choice for those prioritizing cleaning efficiency. However, the iRobot Roomba® 405 Combo is a more budget-friendly option.
The ECOVACS DEEBOT T90 PRO OMNI offers superior suction and mopping capabilities, making it the better choice for those prioritizing cleaning efficiency. However, the iRobot Roomba® 405 Combo is a more budget-friendly option.
Why iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function is better
price
iRobot Roomba® 405 is £300 cheaper
app features
iRobot Roomba® 405 has a robust home app
auto-emptying
iRobot Roomba® 405 features 75 days of auto-emptying
Why ECOVACS DEEBOT T90 PRO OMNI Robot Vacuum Cleaner with Mop is better
suction power
DEEBOT T90 PRO OMNI has 30,000Pa suction
mopping technology
DEEBOT T90 PRO OMNI uses OZMO Roller 3.0
self-cleaning
DEEBOT T90 PRO OMNI has a self-cleaning mop roller
Overall score
Specifications
| Spec | iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function | ECOVACS DEEBOT T90 PRO OMNI Robot Vacuum Cleaner with Mop |
|---|---|---|
| Brand | iRobot | ECOVACS |
| Price | £349.00 | £649.00 |
| Suction Power | Strong | 30,000Pa |
| Mopping Method | DualClean Pads | OZMO Roller 3.0 |
| Auto-Emptying | Yes | No |
| Self-Cleaning | No | Yes |
Dimension comparison
Introduction to Robotic Vacuums
When it comes to robotic vacuums, the market offers a plethora of options, but two standout products are the iRobot Roomba® 405 Combo and the ECOVACS DEEBOT T90 PRO OMNI. Priced at £349.00 and £649.00 respectively, both models boast advanced features designed to make cleaning easier. However, they cater to different needs and preferences, which will be explored in this comparison.
Suction Power Comparison
The ECOVACS DEEBOT T90 PRO OMNI significantly outperforms the iRobot Roomba® 405 in terms of suction power, with an impressive 30,000Pa suction capability. This high level of suction ensures that it can lift dust, pet hair, and debris from both carpets and hard floors in a single pass. In contrast, the iRobot Roomba® 405 offers strong suction but does not specify a numerical value, making it less transparent about its capabilities. For those prioritising efficient cleaning, especially in homes with pets, the DEEBOT T90 PRO OMNI's superior suction is a clear advantage.
Mopping Efficiency
When it comes to mopping, the DEEBOT T90 PRO OMNI also takes the lead with its advanced OZMO Roller 3.0 technology, which features a self-washing roller that scrubs instead of just wiping. This results in a more thorough clean, particularly for sticky spills and dried stains. The iRobot Roomba® 405, while featuring DualClean Mop Pads and SmartScrub, utilises a more traditional mopping method that may not provide the same level of effectiveness. For consumers looking for a robotic vacuum that excels in mopping capabilities, the DEEBOT T90 PRO OMNI is the better choice.
Navigation and Mapping Technology
The iRobot Roomba® 405 employs ClearView LiDAR technology for rapid mapping and navigation, allowing it to avoid obstacles and clean in organised rows, even in low light. This feature is particularly beneficial for users with complex room layouts. The DEEBOT T90 PRO OMNI does not specify its navigation technology, which may leave potential buyers wondering about its mapping capabilities. Therefore, if precise navigation is essential for your cleaning routine, the iRobot Roomba® 405 offers a more reliable solution.
Battery Life and Charging
In terms of battery life and charging efficiency, the DEEBOT T90 PRO OMNI showcases its PowerBoost Charging feature, which restores 10% battery in just three minutes. This quick recharge capability minimises interruptions during cleaning sessions. The iRobot Roomba® 405 does not highlight its charging features, making it challenging to assess how it compares in this aspect. For users desiring uninterrupted cleaning throughout larger homes, the DEEBOT T90 PRO OMNI's advanced charging technology could prove advantageous.
Maintenance and Cleaning Features
The cleaning and maintenance features of both models differ significantly. The DEEBOT T90 PRO OMNI incorporates a real-time self-cleaning mechanism for its mop roller, ensuring that it always mops with clean water and eliminates the risk of resoiling floors. On the other hand, the iRobot Roomba® 405 features an AutoWash Dock, which allows for 75 days of auto-emptying and continuous pad refreshing. While both models offer innovative maintenance solutions, the DEEBOT T90 PRO OMNI's self-cleaning roller is a standout feature for those who prioritise hygiene.
Customisation and Control Options
The iRobot Roomba® 405 provides users with a robust home app that allows for custom cleaning routines, time estimates, and filter health monitoring. It supports voice commands via Alexa, Siri, and Google Assistant, making it user-friendly. The DEEBOT T90 PRO OMNI, however, does not specify its control options in detail. For those who appreciate a high level of customisation and control over their cleaning routines, the iRobot Roomba® 405 appears to be the more comprehensive choice.
Price Comparison
The price difference between these two models is significant, with the iRobot Roomba® 405 priced at £349.00 and the ECOVACS DEEBOT T90 PRO OMNI at £649.00. This £300 gap reflects the advanced features and technology that the DEEBOT offers, such as higher suction power and enhanced mopping capabilities. Buyers must consider whether the additional investment in the DEEBOT T90 PRO OMNI is justified based on their specific cleaning needs and preferences.
Which should you buy?
Choosing between the iRobot Roomba® 405 Combo and the ECOVACS DEEBOT T90 PRO OMNI ultimately depends on your individual cleaning needs. If you require a powerful suction and advanced mopping capabilities, the DEEBOT T90 PRO OMNI is the superior choice, albeit at a higher price of £649.00. However, if you are looking for a reliable robotic vacuum that offers strong performance at a more accessible price of £349.00, the iRobot Roomba® 405 Combo is an excellent option. Assess your priorities—whether it's suction power, mopping efficiency, or budget—to make the best decision for your home.
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