Home Robot Vacuum Cleaners Irobot Roomba 675 Vs. Irobot Roomba 621

Irobot Roomba 675 Vs. Irobot Roomba 621 Features Review

13 minute read   Last updated on Aug 18, 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
iRobot Roomba 675

iRobot Roomba 675

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Key features of the iRobot Roomba 675

Overall Score 5.9

  • Can Clean All Floor Types
  • Battery Power of 1800 mAh

A summary by feature comparison

Category Features iRobot Roomba 621 iRobot Roomba 675
COMMONLY ASKED FOR FEATURES can clean all floor types
has mapping and navigation
has an obstacle sensor
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 0.4L
automatically adjusts its height
weight 4.3kg 3.5kg
width 340mm 330mm
height 92mm 94mm
CLEANING PERFORMANCE AND POWER FEATURES battery power 4,500mAh 1,800mAh
operating time 1.5h 1.5h
charge time 3h 2h
operating power consumption 33W 33W
has overheating indicator
has auto-off
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
supports wi-fi
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iRobot Roomba 675 can clean all floor types, this feature comes in handy, since different rooms inside your home may have different types of flooring i.e. carpets. When a robot vacuum is said to be able to clean all types of floors, it implies that the robot vacuum is capable to clean several flooring materials without any limitations.

iRobot Roomba 621 aslo cleans all floor types, this means that it too is designed to be versatile, providing best cleaning performance on either hard floors or carpets commonly found in homes. iRobot Roomba 675 has an obstacle sensor, this serves the purpose of detecting and identifying obstacles in the robot's route, this allwos it to navigate around them and avoid collisions. Also, the iRobot Roomba 621 has an obstacle sensor, obstacle sensors work together to provide the robot vacuum with a comprehensive understanding of its environment, enabling it to navigate around furniture, walls, and other objects when cleaning a room and preventing damage to both the robot and its obstacles.

Many modern robot vacuum cleaners such as the iRobot Roomba 675 are designed to work with Amazon Alexa, which implies that they can be integrated with the Amazon Echo ecosystem and controlled using voice commands. iRobot Roomba 675 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. iRobot Roomba 675 has a period of 1 year, warranty periods typically range from 1 year to 2 years, however some higher-end brands may give longer warranties.

iRobot Roomba 621, at 1 year has the same warranty period as that of iRobot Roomba 675. When considering a robot vacuum cleaner, it's essential to read and understand the warranty terms and conditions, alongside any limitations or exclusions that may apply. iRobot Roomba 675's dustbin capacity is at 0.4L, dustbin capacity indicates how much dust, debris, and pet hair the vacuum can hold before it can be emptied.

iRobot Roomba 621, at 0.5L has more capacity than the iRobot Roomba 675 by 0.1L The dustbin capacity can vary widely among different robot vacuum models, and the capcity you choose should depend on your cleaning needs and the size of the area you want to clean. iRobot Roomba 675 weighs 3.5kg, robot vacuums are commonly designed to be lightweight and compact for easy maneuverability and portability. iRobot Roomba 621, at 4.3kg weighs more than the iRobot Roomba 675 by 0.8kg.

It's advisable to take in consideration the weight of the robot vacuum when getting a model, and that's if you plan to carry it up and down stairs iRobot Roomba 675 has a width of 330mm, often referred to as its cleaning path width, refers to the width of the area that the robot vacuum can effectively clean in a single pass. The width of a robot vacuum is key as it can affect its efficiency and the duration it takes to clean a space iRobot Roomba 621, at 340mm measures more in width than the iRobot Roomba 675 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.

iRobot Roomba 675's height measures 94mm, here you are looking at the measure from the bottom of the robot vacuum to its highest point. Height is a key consideration, especially if you have furniture with limited clearance in your home. The iRobot Roomba 621, at 92mm measures less in height than the iRobot Roomba 675 with a difference of 2mm.

When choosing a robot vacuum, ensure that the robot vacuum can fit under the furniture and navigate effectively in your living space without getting stuck or causing damage. The battery power of a robot vacuum cleaner is a crucial factor that determines how long the vacuum can operate on a single charge. Battery capacity is measured in milliampere-hours (mAh), iRobot Roomba 675's battery power is 1,800mAh iRobot Roomba 621, at mAh4,500 has more battery power than the iRobot Roomba 675 by A bigger capacity implies longer battery life which can be of advantage if you have a large space or if you prefer the robot vacuum to complete operations without frequent interruptions to recharge.

The operating time of a robot vacuum cleaner refers to the time the vacuum can clean continuously on a single charge before it needs to return to its charging dock for recharging. iRobot Roomba 675's operating time is 1.5h The iRobot Roomba 621, at 1.5h has the same operating time as the iRobot Roomba 675 Always plan cleaning cycles around the vacuum's operating time to maximize efficiency and prevent "incomplete work" between charge intervals. iRobot Roomba 675 has a charge time of 2h, 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.

iRobot Roomba 621, at 3h charges for longer than the iRobot Roomba 675 by 1h. Charge time is an important factor to consider when choosing a robot vacuum, since it determines how long you'll need to wait before the vacuum is ready for its next cleaning cycle. The operating power consumption of a robot vacuum cleaner refers to the amount of electrical power the vacuum uses while it's actively cleaning your home.

iRobot Roomba 675 has a power consumption of 33W, 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 has the same power consumption as that of iRobot Roomba 675. Lower power consumption can be more energy-efficient and cost-effective over time, however it may also affect cleaning performance, especially on carpets.

Auto-off is a feature designed to automatically turn off the vacuum after it has completed an operation or when certain conditions occur. iRobot Roomba 675 has an auto-off feature, which is useful for energy efficiency and battery preservation. Also, iRobot Roomba 621 has this feature, overall, the auto-off feature in a robot vacuum is a valuable addition that in a way promotes energy efficiency, prolongs the vacuum's lifespan, enhances safety, and adds convenience to the cleaning process.

iRobot Roomba 675 has a dirt sensor, dirt sensors are designed to detect the availability of dirt, dust, or debris in the area being cleaned and can be used to adjust the vacuum's cleaning behavior during operation. You may want to consider buying either the iRobot Roomba 621 or iRobot Roomba 675 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 room. iRobot Roomba 675 supports a smartphone app, through which you can control and monitor the vacuum remotely through your smartphone or tablet.

This feature in robot vacuum cleaners is intended to reduce the likelihood of the robot vacuum becoming stuck while cleaning. Robot vacuums such as the iRobot Roomba 675 are equipped with various sensors and technologies to move around obstacles and avoid getting trapped, however the effectiveness of this feature can vary among different models. Both the iRobot Roomba 621 and iRobot Roomba 675 have the "anti-stuck" feature, however clearing clutter, ensuring proper cable management, and creating clear paths for the vacuums helps to further reduce the chances of getting stuck while cleaning.

Virtual barriers are set up and controlled via the robot vacuum's mobile app, similar to no-go zones, these barriers are setup to help you control and restrict where the robot vacuum can and cannot go while cleaning. Voice prompts refer to audible messages that the vacuum emits to give you alerts on the different states of the vacuum. iRobot Roomba 675 supports this feature Auto-docking is a feature that indicates 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.

Both iRobot Roomba 621 and iRobot Roomba 675 support this feature, considered a convenient feature because it makes sure that the robot vacuum keeps its charge and readiness for cleaning with little or no manual intervention. Most robot vacuum cleaners such as iRobot Roomba 675 come equipped with an "anti-fall" feature. This feature is intended to save the robot vacuum from falling off stairs, ledges, or other elevated surfaces, thus its safety during operation.

This safety feature that is also available on the iRobot Roomba 621 is key in preventing accidents and protecting 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. iRobot Roomba 675 has this convenient feature, which enables you to set specific days or times of day for the robot vacuum to start cleaning your home.

This feature in robot vacuums is particularly useful in maintaining a consistently clean space with little or no manual intervention. iRobot Roomba 621 too can be scheduled. iRobot Roomba 675 supports Wi-Fi, Wi-Fi-enabled robot vacuums offer several advantages and features, such as remote control, mobile app integration, voice assistant compatibility, and remote monitoring.

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