Home Robot Vacuum Cleaners Irobot Roomba 976 Vs. Irobot Roomba I3 Plus

Irobot Roomba 976 Vs. Irobot Roomba I3 Plus Review

8 minute read   Last updated on Mar 5, 2024
iRobot Roomba i3 Plus

iRobot Roomba i3 Plus

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Key features of the iRobot Roomba i3 Plus

Overall Score 6.9

  • Can Clean All Floor Types
  • Battery Power of 1800 mAh
  • Is Self-Emptying
VS
iRobot Roomba 976

iRobot Roomba 976

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Key features of the iRobot Roomba 976

Overall Score 6.7

  • Can Clean All Floor Types
  • Has Included Washable Filters
  • Battery Power of 2130 mAh

A summary by feature comparison

Category Features iRobot Roomba i3 Plus iRobot Roomba 976
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 4only 3only
warranty period 1year 2year
DESIGN FEATURES has included washable filters
dustbin capacity 0.6L
indicates when full
weight 4.7kg 4kg
width 338mm 350mm
height 92mm 92mm
CLEANING PERFORMANCE AND POWER FEATURES battery power 1,800mAh 2,130mAh
operating time 1.25h 1.25h
charge time 2.5h 3h
operating power consumption 33W
has auto-off
has dirt sensor
OTHER FEATURES is self-emptying
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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Let's look at each feature category in detail

Commonly Asked For Features

Can Clean All Floor Types

iRobot Roomba 976 cleans all floor types, this comes in handy, since different rooms inside your home may have different types of flooring i.e. carpets. If a robot vacuum cleaner is stated able to clean all types of floors, this implies that the vacuum is designed and equipped to effectively clean several flooring materials without any significant issues.

iRobot Roomba i3 Plus aslo cleans all floor types, meaning it is built to be versatile, giving best cleaning performance on either hard floors or carpets found in most homes.

Has Mapping And Navigation

The vacuum's ability to generate a map of its cleaning space is one of the commonly asked-for features. This map allows the robot to keep a record of the layout of the desired space. This can be used for several purposes, for example the iRobot Roomba i3 Plus having the mapping feature can provide efficient cleaning in the mapped-out areas keeping out of those that are not.

Has An Obstacle Sensor

iRobot Roomba 976 has an obstacle sensor, such a sensor serves the purpose of detecting and identifying obstacles in the robot's path, this allwos it to navigate around them thus avoiding collisions.

Also, the iRobot Roomba i3 Plus has an obstacle sensor, obstacle sensors work together to provide the robot vacuum with a better understanding of its environment, enabling it to navigate around furniture, walls, and other objects when cleaning a room thus avoiding damage to both the robot and its obstacles.

Works With Alexa

Many modern robot vacuum cleaners such as the iRobot Roomba 976 are designed to work with Amazon Alexa, which implies that they can be added to the Amazon Echo ecosystem and programmed using voice commands.

iRobot Roomba i3 Plus can also work with Amazon Alexa, keep in mind that you will require an Alexa-enabled device such as an Echo speaker for voice control to work with iRobot Roomba i3 Plus.

Compatible With Google Assistant

iRobot Roomba 976 is compatible with Google Assistant, allowing you to control it using voice commands via Google Home devices or the Google Assistant app installed on smartphones and tablets.

The iRobot Roomba i3 Plus is compatible with Google Assistant, it's always essential to verify the level of compatibility with Google Assistant before buying a robot vacuum.

Number Of Cleaning Modes

The iRobot Roomba 976 has 3 cleaning modes, the number of cleaning modes offered by robot vacuums varies widely depending on the make and model of the robot vacuum.

The iRobot Roomba i3 Plus, having only 4 has more modes than the iRobot Roomba 976 by 1 Robot vacuum manufacturers may offer different cleaning modes to provide users with flexibility and adaptability to various cleaning scenarios.

Warranty Period

The iRobot Roomba 976 has a period of 2 year, this typically range from 1 - 2 years, but some higher-end brands may offer longer warranties.

The iRobot Roomba i3 Plus, at 1 year has a shorter warranty period than the iRobot Roomba 976 with a difference of 1 year. When thinking of buying a robot vacuum cleaner, it's important to read and understand the warranty terms and conditions, alongside any limitations or exclusions that may apply.

iRobot Roomba i3 Plus
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Design Features

Has Included Washable Filters

The iRobot Roomba 976 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 keep up the vacuum's performance.

Dustbin Capacity

iRobot Roomba 976's dustbin capacity is at 0.6L, dustbin capacity indicates how much dust, dirt, and pet hair the vacuum can hold before it needs to be emptied.

Indicates When Full

Many robot vacuum cleaners are equipped with sensors and indicators to alert users when the dirt collection container is full and needs to be emptied. iRobot Roomba 976 supports this feature, which prevents the robot vacuum from getting clogged which means performance will be maintained as soon as the bin is emptied.

iRobot Roomba i3 Plus also can indicate when its dustbin is full, for a robot vacuum to show that it's full can improve the convenience of owning one since it reduces the need for constant monitoring.

Weight

iRobot Roomba 976 weighs 4kg, robot vacuums are generally designed to be lightweight and compact to easily get around and carrying around.

iRobot Roomba i3 Plus, at 4.7kg weighs more than the iRobot Roomba 976 by 0.7kg. It's advisable to take in consideration the weight of the robot vacuum when choosing a model, and that's if you plan to carry it up and down stairs

Width

iRobot Roomba 976 has a width of 350mm, often referred to as its cleaning path width, is 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 time it takes to clean a room

iRobot Roomba i3 Plus, at 338mm measures less in width than the iRobot Roomba 976 with a difference of 12mm. A wider cleaning path can cover more ground in a single pass, shortening the time it takes to clean a room.

Height

iRobot Roomba 976's height measures 92mm, here you are considering the measurement from the bottom to its highest point. Height is an important consideration, especially if you have furniture with low clearance in your home.

iRobot Roomba i3 Plus, at 92mm has the same height as that of iRobot Roomba 976. When selecting 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. Battery capacity is typically measured in milliampere-hours (mAh), iRobot Roomba 976's battery power is 2,130mAh

iRobot Roomba i3 Plus, at mAh1,800 has less battery power than the iRobot Roomba 976 by only A bigger capacity usually means 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.

Operating Time

The operating time of the iRobot Roomba 976 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 976's operating time is 1.25h

iRobot Roomba i3 Plus, at 1.25h has the same operating time as the iRobot Roomba 976 Always plan cleaning cycles around the vacuum's operating time to maximize efficiency and prevent "incomplete work" between charge intervals.

Charge Time

iRobot Roomba 976 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.

iRobot Roomba i3 Plus, at 2.5h spends lesser time charging than the iRobot Roomba 976 by only 0.5h. 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 begins its next cleaning cycle.

Operating Power Consumption

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 976 has a power consumption of 33W, power is typically measured in watts (W) and can vary among different robot vacuum models based on several consuption factors.

Has Auto-Off

This feature is designed to automatically turn off the vacuum after it has completed a cleaning cycle or when specific conditions occur. iRobot Roomba i3 Plus has an auto-off feature, which is useful for energy efficiency and battery preservation.

Has Dirt Sensor

iRobot Roomba 976 has a dirt sensor, dirt sensors are designed to detect the availability of dirt, dust, or debris in the area 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 i3 Plus or iRobot Roomba 976 If you value 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 i3 Plus
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Other Features

Is Self-Emptying

Self-emptying robot vacuum cleaners like the iRobot Roomba i3 Plus, are modern robot vacuum models that have a convenient feature to empty their dustbins automatically.

Has Carpet Detection

iRobot Roomba 976 has carpet detection, which allows the vacuum to identify and adapt to different floor surfaces, to be specific recognizing when it moves from hard floors like hardwood to carpeted areas.

Such a feature is intended to improve cleaning performance and also make sure that it adjusts its settings appropriately when cleaning carpeted areas. Robot vacuums with a carpet detection feature such as the iRobot Roomba 976 and iRobot Roomba i3 Plus use sensors for surface detection, allowing them to make necessary adjustments for efficient cleaning.

Support A Mobile Application

iRobot Roomba 976 supports a smartphone app, that allows you to control and monitor the vacuum remotely through your smartphone or tablet.

Both the iRobot Roomba i3 Plus and iRobot Roomba 976 have mobile application support, mobile apps enhance the user experience by providing convenience, and ease update of features and functionalities.

Doesn't Get Stuck

This feature in robot vacuum cleaners is designed to eliminate the chance of the robot vacuum getting stuck during cleaning. Robot vacuums such as the iRobot Roomba 976 are equipped with various sensors and technologies to navigate around obstacles and avoid getting stuck, but the effectiveness of this feature can vary among different models.

Both the iRobot Roomba i3 Plus and iRobot Roomba 976 have the "anti-stuck" feature, but 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 typically set up and controlled via 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 while cleaning.

Both iRobot Roomba 976 and iRobot Roomba i3 Plus support virtual barriers, the ability to set virtual barriers is mostly useful for spaces with areas where the robot vacuum may encounter obstacles.

Has Route Mapping

iRobot Roomba 976 has a route mapping feature that enables it to generate a map of your home and plan efficient cleaning routes. This mapping capability improves the vacuum's ability to work effectively and systematically.

Route mapping is an important feature as it enables robot vacuums such as the iRobot Roomba i3 Plus to adapt to the layout of your space to work more efficiently and reduce the possibility of missing certain spots.

Has Voice Prompts

Voice prompts are audible messages that the vacuum emits to give you alerts on the different states of the vacuum. iRobot Roomba i3 Plus has this feature

Supports Auto Docking

Auto-docking is a feature that indicates the vacuum's ability to return to its docking station when certain conditions are met such as getting work done, battery running low, or any malfunction.

Both iRobot Roomba i3 Plus and iRobot Roomba 976 support this feature, considered a convenient feature because it ensures that the robot vacuum keeps its charge and readiness for cleaning with little or no manual intervention.

Has Anti-Fall Sensor

Most robot vacuum cleaners such as iRobot Roomba 976 come having an "anti-fall" feature. This feature is intended to save the robot vacuum from falling off stairs, ledges, or other elevated surfaces, hence its safety while cleaning.

This safety feature that is also available on the iRobot Roomba i3 Plus is key in preventing accidents and keeping the robot vacuum from damage. It gives you peace of mind by ensuring that the vacuum will not fall off a ledge during its cleaning cycle.

Can Be Scheduled

iRobot Roomba 976 has this convenient feature, which allows you to set specific days or times of day for the robot vacuum to automatically start cleaning your space.

The scheduling feature in robot vacuums is specifically useful in maintaining a consistently clean space without the need for manual intervention. iRobot Roomba i3 Plus too can be scheduled.

Supports Wi-Fi

iRobot Roomba 976 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.

Also, iRobot Roomba i3 Plus supports Wi-Fi, Wi-Fi connectivity enhances the ease and flexibility of robot vacuum usage, allowing for more efficient and customized cleaning routines.

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