vsversusfinder

Ultenic T20 Pro Self Emptying Robot Vacuum Cleaner with Mop 8000Pa vs iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function

Updated August 2026The Ultenic T20 Pro offers excellent suction power and a lower price, making it a strong contender. However, the iRobot Roomba 405 Combo excels in mopping capabilities and smart features.

The Ultenic T20 Pro offers excellent suction power and a lower price, making it a strong contender. However, the iRobot Roomba 405 Combo excels in mopping capabilities and smart features.

Why Ultenic T20 Pro Self Emptying Robot Vacuum Cleaner with Mop 8000Pa is better

price

Ultenic is £109.01 cheaper

suction

Ultenic has 8000Pa suction power

noise level

Ultenic operates at 60dB

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

mopping

iRobot has advanced DualClean Mop Pads

smart features

iRobot offers a more intuitive app

auto-cleaning

iRobot has AutoWash Dock for convenience

Overall score

Ultenic T20 Pro Self Emptying Robot Vacuum Cleaner with Mop 8000Pa
78
iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function
85

Specifications

SpecUltenic T20 Pro Self Emptying Robot Vacuum Cleaner with Mop 8000PaiRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function
BrandUlteniciRobot
ControlApp, VoiceApp, Voice
Self-EmptyingYesYes
MappingLiDARLiDAR
WeightN/AN/A

Dimension comparison

Ultenic T20 Pro Self Emptying Robot Vacuum Cleaner with Mop 8000PaiRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function

Price Comparison

The Ultenic T20 Pro is priced at £239.99, while the iRobot Roomba 405 Combo is more expensive at £349.00. This significant price difference of £109.01 may influence your decision depending on your budget. The Ultenic offers a compelling value proposition with its high suction power and multifunction capabilities, making it an attractive option for those looking to save.

When considering price, it’s essential to evaluate what features each robot vacuum offers at their respective costs. While the Ultenic provides powerful suction and a self-emptying feature, the iRobot's higher price reflects its advanced mopping capabilities and the convenience of the AutoWash Dock.

Suction Power

Suction power is a crucial factor in the performance of robot vacuums, and the Ultenic T20 Pro excels in this area with an impressive 8000Pa suction capability. This strong suction is designed to lift embedded dust, pet hair, and debris effectively from various surfaces. In comparison, the iRobot Roomba 405 Combo boasts 70 times more suction power than earlier Roomba models, though it does not specify a precise suction measurement for this model.

For users with pets or those living in dusty environments, the Ultenic's robust suction could be a deciding factor, especially since it is designed to handle a variety of flooring types with ease.

Mopping Functionality

When it comes to mopping, the iRobot Roomba 405 Combo stands out with its DualClean Mop Pads and SmartScrub technology, which allows for deeper cleaning and the use of cleaning solutions. This model is particularly adept at tackling messes with its two-level scrubbing and the ability to mop with or without cleaning agents. The Ultenic T20 Pro, while it includes a mop function, does not detail its mopping capabilities to the same extent as the iRobot.

This distinction in mopping functionality makes the Roomba a better choice for users prioritising effective mopping alongside vacuuming, especially in homes with high foot traffic or pets.

Both models feature advanced navigation technology, but they implement it differently. The Ultenic T20 Pro uses 360° AI-powered LiDAR laser navigation, which scans and maps your home in real-time, allowing for efficient cleaning paths. This sophisticated navigation system can save time and energy during cleaning sessions, particularly in complex home layouts.

On the other hand, the iRobot Roomba 405 Combo employs ClearView LiDAR for quick mapping and obstacle avoidance, ensuring neat rows even in the dark. While both models demonstrate intelligent navigation, the real-time mapping capability of the Ultenic may provide users with more intuitive control over their cleaning environment.

Runtime and Coverage

The Ultenic T20 Pro offers a robust runtime of 180 minutes, which allows it to cover areas up to 200 square metres on a single charge. This extended battery life is beneficial for larger homes, enabling it to clean efficiently without frequent recharging.

In comparison, the iRobot Roomba 405 Combo does not specify its runtime but does include features like continuous pad refreshing and a high-capacity AutoWash Dock, which may require less frequent manual intervention. However, the Ultenic’s longer runtime could provide an advantage for users needing extensive cleaning sessions.

Smart Features

Smart features are integral to modern robotic vacuums, and both models are equipped for seamless smart home integration. The Ultenic T20 Pro allows control via a smart life app, voice commands through Siri, Alexa, or Google Assistant, and even includes a remote control. This level of connectivity ensures users can easily schedule cleans, set no-go zones, and manage their vacuuming preferences.

The iRobot Roomba 405 Combo also offers smart control through the Roomba Home app, enabling users to customise cleaning routines and receive insights about room cleanliness. Both models provide excellent smart features, but the Ultenic offers more flexibility in control options, potentially appealing to tech-savvy consumers.

Noise Level

Noise levels can significantly impact user experience, especially in quiet households. The Ultenic T20 Pro operates at a low noise level of 60dB, making it quieter than many traditional vacuums. This is particularly advantageous for users who want to run their vacuum during work hours or while watching TV without disturbance.

In contrast, the iRobot Roomba 405 Combo does not specify its noise level, which could be a consideration for potential buyers seeking a quieter operation. The Ultenic's known low noise level may be a decisive factor for those prioritising a peaceful environment during cleaning.

Which should you buy?

Deciding between the Ultenic T20 Pro and the iRobot Roomba 405 Combo largely depends on your specific cleaning needs and budget. If you are looking for a robust, cost-effective option with excellent suction power and a quiet operation, the Ultenic T20 Pro at £239.99 makes a compelling choice. Conversely, if superior mopping capabilities and smart features are your main priorities, the iRobot Roomba 405 Combo, priced at £349.00, may justify the higher investment. Ultimately, consider your cleaning habits, home layout, and feature preferences to make the best decision for your household.

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.

Ultenic T20 Pro Self Emptying Robot Vacuum Cleaner with Mop 8000Pa vs iRobot Roomba® 405 Combo + AutoWash Dock Robot Vacuum Cleaner with Mop Function | versusfinder