vsversusfinder

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 2026The 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

iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function
70
ECOVACS DEEBOT T90 PRO OMNI Robot Vacuum Cleaner with Mop
85

Specifications

SpeciRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop FunctionECOVACS DEEBOT T90 PRO OMNI Robot Vacuum Cleaner with Mop
BrandiRobotECOVACS
Price£349.00£649.00
Suction PowerStrong30,000Pa
Mopping MethodDualClean PadsOZMO Roller 3.0
Auto-EmptyingYesNo
Self-CleaningNoYes

Dimension comparison

iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop FunctionECOVACS DEEBOT T90 PRO OMNI Robot Vacuum Cleaner with Mop

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.

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.

versusfinder.com is a participant in the Amazon Services LLC Associates Programme and the Amazon EU Associates Programme. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function vs ECOVACS DEEBOT T90 PRO OMNI Robot Vacuum Cleaner with Mop | versusfinder