Home Robot Vacuum Cleaners Roborock S6 Vs. Irobot Roomba 621

Roborock S6 Vs. Irobot Roomba 621 Review

8 minute read   Last updated on Mar 5, 2024
iRobot Roomba 621

iRobot Roomba 621

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Key features of the iRobot Roomba 621

Overall Score 6.4

  • Can Clean All Floor Types
  • Has Included Washable Filters
  • Battery Power of 4500 mAh
VS

Key features of the Roborock S6

Overall Score 5.9

  • Can Clean All Floor Types
  • Battery Power of 5200 mAh

A summary by feature comparison

Category Features iRobot Roomba 621 Roborock S6
COMMONLY ASKED FOR FEATURES can clean all floor types
has mapping and navigation
has an obstacle sensor
supports no-go zones
works with alexa
compatible with google assistant
number of cleaning modes 3only
warranty period 1year 1year
DESIGN FEATURES has included washable filters
dustbin capacity 0.5L 0.5L
automatically adjusts its height
weight 4.3kg 3.6kg
width 340mm 350mm
height 92mm 97mm
CLEANING PERFORMANCE AND POWER FEATURES battery power 4,500mAh 5,200mAh
operating time 1.5h 3h
charge time 3h
operating power consumption 33W 58W
has overheating indicator
has auto-off
can mop floor
has dirt sensor
OTHER FEATURES has problem area cleaning
has carpet detection
support a mobile application
doesn't get stuck
supports virtual barriers
has route mapping
has voice prompts
supports auto docking
has anti-fall sensor
can be scheduled
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Let's look at each feature category in detail

Commonly Asked For Features

Can Clean All Floor Types

Roborock S6 cleans all floor types, this comes in handy, since different rooms inside your home may have various types of flooring i.e. carpets. If a robot vacuum cleaner is advertised as being able to clean all types of floors, it implies that the vacuum is designed and equipped to clean flooring materials without any significant issues.

iRobot Roomba 621 can also clean all floor types, meaning it is designed to be versatile, providing best cleaning results on either hard floors or carpets commonly found in homes.

Has Mapping And Navigation

The vacuum's ability to create a map of its cleaning area is one of the commonly asked-for features. This map allows the robot to "understand" the layout of the space. This can be used for several purposes, for example the iRobot Roomba 621 having the mapping feature can dedicate efficient cleaning in the mapped-out areas keeping out of those that are not.

Has An Obstacle Sensor

Roborock S6 has an obstacle sensor, this serves the purpose of detecting and identifying obstacles in the robot's path, allowing it to navigate around them thus avoiding collisions.

Also, the iRobot Roomba 621 has this sensor, obstacle sensors work together to provide the robot vacuum with a better understanding of its environment, making it possible to navigate around furniture, walls, and other objects when cleaning a room and preventing damage to both the robot and its obstacles.

Supports No-Go Zones

No-go zones is a feature of many advanced robot vacuum cleaners and Roborock S6 is one of them. These zones are essentially digital boundaries or restricted spaces that you can set up preventing the robot from entering specific areas or rooms during its cleaning cycle.

Works With Alexa

Many modern robot vacuum cleaners such as the Roborock S6 are designed to work with Amazon Alexa, which implies that they can be added to the Amazon Echo ecosystem and programmed using voice commands.

Compatible With Google Assistant

Roborock S6 is compatible with Google Assistant, allowing you to control it using voice commands via Google Home devices or the Google Assistant app found on smartphones and tablets.

Number Of Cleaning Modes

The iRobot Roomba 621 has 3 cleaning modes, the number of cleaning modes offered by robot vacuum cleaners varies depending on the design of the robot vacuum.

Warranty Period

Roborock S6 has a period of 1 year, warranty periods for robot vacuums typically range from 1 year to 2 years, but some higher-end models may offer longer warranty periods.

iRobot Roomba 621, at 1 year has the same warranty period as that of Roborock S6. When considering a robot vacuum cleaner, it's important to read and understand the warranty terms and conditions, as well as any limitations or exclusions that may apply.

iRobot Roomba 621
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Design Features

Has Included Washable Filters

The iRobot Roomba 621 has washable filters, these are designed to capture dust, dirt, and fine particles during the cleaning process and can be easily removed and washed to maintain the vacuum's performance.

Dustbin Capacity

Roborock S6's dustbin capacity is at 0.5L, dustbin capacity determines how much dust, debris, and pet hair the robot vacuum can hold before it can be emptied.

iRobot Roomba 621, at 0.5L has the same dustbin capacity as the Roborock S6 The dustbin capacity can vary widely among robot vacuum models, and the capcity you choose should depend on your cleaning needs and the size of the area you want to clean.

Automatically Adjusts Its Height

Different floor types require a robot vacuum to be at a given ground clearance so as to optimize performance. The Roborock S6 can adjust its height to match this demand, for example, it may raise itself slightly when transitioning to a carpet to enable effective suction, and then lower itself on hard floors to ensure the brushes make good contact.

Automatic height adjustment is commonly found in mid-range to high-end robot vacuum models such as the iRobot Roomba 621 with sophiscated sensor technology and adaptability. This feature is essential for keeping up cleaning performance across various floor types, including carpets, rugs, hardwood floors, and tiles.

Weight

The Roborock S6 weighs 3.6kg, robot vacuums are commonly designed to be lightweight and compact to easily get around and portability.

The iRobot Roomba 621, at 4.3kg weighs more than the Roborock S6 by 0.7kg. It's advisable to consider the weight of the robot vacuum when getting a model, especially if you plan to carry it up and down stairs

Width

Roborock S6 has a width of 350mm, aslo known as its cleaning path width, is the width of the area that the robot vacuum can effectively clean in one go. The width of a robot vacuum is key as it can affect its efficiency and the time it takes to clean a room

iRobot Roomba 621, at 340mm measures less in width than the Roborock S6 with a difference of 10mm. A wider cleaning path can cover more ground in a single pass, reducing the time it takes to clean a room.

Height

Roborock S6's height measures 97mm, here you are looking at the measure from the bottom of the robot vacuum to its highest point. Height is an important consideration, especially if you have obstacles with limited clearance in your home.

The iRobot Roomba 621, at 92mm measures less in height than the Roborock S6 with a difference of 5mm. When choosing a robot vacuum, make sure that the robot vacuum can go under the furniture and navigate effectively in your living space without getting stuck or causing damage.

Cleaning Performance And Power Features

Battery Power

The battery power of a robot vacuum cleaner is important as it determines how long the vacuum can operate on a single charge. It is measured in milliampere-hours (mAh), Roborock S6's battery power is 5,200mAh

The iRobot Roomba 621, at mAh4,500 has less battery power than the Roborock S6 with a difference of only A bigger capacity usually means longer battery life which can be of advantage if you have a large room or if you would like the robot vacuum to complete cleaning cycles without frequent interruptions to recharge.

Operating Time

The operating time of the Roborock S6 refers to the amount of time the vacuum can clean continuously on a single charge before it needs to return to its charging dock for recharging. Roborock S6's operating time is 3h

The iRobot Roomba 621, at 1.5h spends less time than the Roborock S6 by only 1.5h Always plan cleaning cycles around the vacuum's operating time to maximize efficiency and prevent "incomplete work" between charge intervals.

Charge Time

iRobot Roomba 621 has a charge time of 3h, the charge time of a robot vacuum cleaner refers to the amount of time it takes for the vacuum's battery to recharge fully after it has been depleted during a cleaning cycle.

Operating Power Consumption

This is the amount of electrical power the vacuum uses while it's actively cleaning your home. Roborock S6 has a power consumption of 58W, power is typically measured in watts (W) and changes among different robot vacuum models based on several consuption factors.

The iRobot Roomba 621, at 33W consumes less power than the Roborock S6 with a difference of 25W. Lower power consumption is more energy-efficient and cost-effective over time, however it may also affect cleaning performance, especially on carpets.

Has Overheating Indicator

An overheating indicator in a robot vacuum serves several important purposes, making it a very important safety feature. It helps protect the iRobot Roomba 621 from damage by detecting when key components, such as the motor or battery, are operating at temperatures that are dangerous.

Has Auto-Off

Auto-off is a feature designed to automatically turn off the vacuum after it has completed a cleaning cycle or when specific conditions occur. iRobot Roomba 621 has an auto-off feature, which is useful for energy efficiency and battery preservation.

Can Mop Floor

True, many modern robot vacuum cleaners can mop floors in addition to vacuuming. These robot vacuums are often referred to as robot vacuum and mop models and Roborock S6 is one of those robot vacuums

Has Dirt Sensor

Roborock S6 has a dirt sensor, dirt sensors are designed to detect the concentration of dirt, dust, or debris in the space being cleaned and based on their readings adjust the vacuum's cleaning behavior during cleaning cycle.

You may want to consider buying either the iRobot Roomba 621 or Roborock S6 If you prefer the ability to automatically adjust the cleaning modes of the robot vacuum based on the level of dirt and debris in your space.

iRobot Roomba 621
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Other Features

Has Problem Area Cleaning

Problem area cleaning allows you to instruct a robot vacuum to focus on cleaning a particular spot in your space, the iRobot Roomba 621 supports this, which can be really useful for dealing with particular area messes or busy areas.

Has Carpet Detection

iRobot Roomba 621 has carpet detection, which allows the vacuum to identify and adjust to all kinds of floor surfaces, specifically recognizing when it moves from hard floors like hardwood to areas with carpets.

Support A Mobile Application

Roborock S6 supports a smartphone app, that allows you to control and monitor the vacuum without getting to it physically but through your smartphone or tablet.

Doesn't Get Stuck

This feature in robot vacuum cleaners is designed to eliminate the likelihood of the robot vacuum getting stuck while cleaning. Robot vacuums such as the Roborock S6 are equipped with various sensors and technologies to navigate around obstacles and avoid getting stuck, however the effectiveness of this feature varies among different models.

Both the iRobot Roomba 621 and Roborock S6 have the "anti-stuck" feature, however clearing clutter, ensuring proper cable management, and creating clear paths for the vacuums can help further eliminate the chances of becoming stuck during cleaning.

Supports Virtual Barriers

Virtual barriers are set up and controlled through the robot vacuum's mobile app, similar to no-go zones, these barriers are designed to help you control and restrict where the robot vacuum can and cannot go during cleaning.

Has Route Mapping

Roborock S6 has a route mapping feature that enables it to create a map of your space and schedule efficient cleaning routes. This mapping capability improves the vacuum's ability to clean effectively and systematically.

Route mapping is an important feature as it enables robot vacuums such as the iRobot Roomba 621 to adapt to the layout of your space to work more efficiently and minimize the risk of missing certain spots.

Has Voice Prompts

Voice prompts are audible messages that the vacuum states to give you alerts on the different states of the vacuum. Roborock S6 supports this feature

Supports Auto Docking

Auto-docking is a feature in robot vacuum cleaners that refers to the vacuum's ability to return to its docking station when certain conditions are met such as done with cleaning, battery running low, or any malfunction.

Has Anti-Fall Sensor

Most robot vacuum cleaners such as Roborock S6 come equipped with an "cliff detection" feature. This feature is intended to prevent the robot vacuum from falling off stairs, ledges, or other elevated surfaces, hence its safety during operation.

This safety feature that is also available on the iRobot Roomba 621 is key in mitigating accidents and keeping the robot vacuum from damage. It gives you peace of mind knowing that the vacuum will not fall off a ledge during its cleaning cycle.

Can Be Scheduled

Roborock S6 has this convenient feature, which enables you to set certain days or times of day for the robot vacuum to automatically start working.

This feature in robot vacuums is specifically useful in keeping a consistently clean home with little or no manual intervention. iRobot Roomba 621 too allows scheduling.

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