Home Robot Vacuum Cleaners Irobot Roomba S9+ Vs. Irobot Roomba 981

Irobot Roomba S9+ Vs. Irobot Roomba 981 Review

7 minute read   Last updated on Mar 5, 2024
iRobot Roomba 981

iRobot Roomba 981

See Price on Amazon

Key features of the iRobot Roomba 981

Overall Score 5.9

  • Battery Power of 3000 mAh
VS
iRobot Roomba s9+

iRobot Roomba s9+

See Price on Amazon

Key features of the iRobot Roomba s9+

Overall Score 4.9

  • Can Clean All Floor Types
  • Battery Power of 3300 mAh
  • Is Self-Emptying

A summary by feature comparison

Category Features iRobot Roomba 981 iRobot Roomba s9+
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
warranty period 1year
DESIGN FEATURES dustbin capacity 0.5L 0.4L
automatically adjusts its height
indicates when full
weight 4kg 3.7kg
width 351mm 311mm
height 92mm 89mm
CLEANING PERFORMANCE AND POWER FEATURES battery power 3,000mAh 3,300mAh
operating time 2h 1h
charge time 3h
has auto-off
has dirt sensor
OTHER FEATURES is self-emptying
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
See Price on Amazon See Price on Amazon

Let's look at each feature category in detail

Commonly Asked For Features

Can Clean All Floor Types

iRobot Roomba s9+ cleans all floor types, this comes in handy, as different rooms inside your home may have different types of flooring i.e. carpets. When a robot vacuum is said to be as being able to clean all types of floors, this implies that the vacuum is designed and equipped to clean most flooring materials without much limitations.

Has Mapping And Navigation

A vacuum's ability to generate a map of its cleaning space is one of the commonly asked-for features. The map it creates allows the robot to "understand" the layout of the space. This can be used for several purposes, e.g. the iRobot Roomba s9+ having the mapping feature can provide efficient cleaning in the mapped-out areas without accessing those that are not.

The iRobot Roomba 981 also has the mapping and navigation feature, navigation defines how the robot vacuum moves around the space. Mapping and navigation often go hand in hand to help the vacuum navigate to the mapped-out areas to be cleaned leaving out those that aren't.

Has An Obstacle Sensor

iRobot Roomba s9+ has an obstacle sensor, such a sensor serves the purpose of detecting and identifying objects in the robot's way, allowing it to navigate around them thus avoiding collisions.

Also, the iRobot Roomba 981 has an obstacle sensor, obstacle sensors work together to provide the robot vacuum with a better understanding of its surroundings, making it possible to navigate around furniture, walls, and other objects when cleaning a room thus preventing damage to both the robot and its obstacles.

Works With Alexa

Most modern robot vacuum cleaners such as the iRobot Roomba 981 are designed to work with Amazon Alexa, which means that they can be integrated with the Amazon Echo ecosystem and programmed using voice commands.

Compatible With Google Assistant

The iRobot Roomba 981 is compatible with Google Assistant, allowing you to control it using voice commands through Google Home devices or the Google Assistant app installed on smartphones and tablets.

Number Of Cleaning Modes

The iRobot Roomba 981 has 4 cleaning modes, the cleaning modes supported by robot vacuum cleaners varies widely depending on the design of the robot vacuum.

Warranty Period

The iRobot Roomba 981 has a period of 1 year, this typically range from 1 - 2 years, however some higher-end brands may give longer warranty periods.

iRobot Roomba 981
See Price on Amazon

Design Features

Dustbin Capacity

The iRobot Roomba s9+'s dustbin capacity is at 0.4L, dustbin capacity determines how much dust, debris, and pet hair the vacuum holds before it requires to be emptied.

iRobot Roomba 981, at 0.5L has more capacity than the iRobot Roomba s9+ by 0.1L The dustbin capacity varies widely among robot vacuum models, and the size 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. iRobot Roomba s9+ can adjust its height to match this demand, for example, it may raise itself slightly when moving to a carpet to allow for effective suction, and then lower itself on hard floors to ensure the brushes make good contact.

Indicates When Full

Most robot vacuum cleaners are equipped with sensors and indicators to notify users when the dirt collection container is full and needs to be emptied. iRobot Roomba 981 supports this feature, which prevents the robot vacuum from getting clogged thus performance will be maintained as soon as the bin is emptied.

Weight

iRobot Roomba s9+ weighs 3.7kg, robot vacuums are commonly designed to be lightweight and compact to easily get around and carrying around.

iRobot Roomba 981, at 4kg weighs more than the iRobot Roomba s9+ by 0.3kg. It's important to consider the weight of the vacuum when getting a model, and that's if you plan to carry it up and down stairs

Width

iRobot Roomba s9+ has a width of 311mm, often referred to as its cleaning path width, is the width of the area that it can effectively clean in a single pass. The width of a robot vacuum is important as it can affect its efficiency and the time it takes to clean a space

The iRobot Roomba 981, at 351mm measures more in width than the iRobot Roomba s9+ with a difference of 40mm. A wider cleaning path can cover more ground in a single pass, shortening the time it takes to clean a room.

Height

iRobot Roomba s9+'s height measures 89mm, here you are considering the measure from the bottom to its highest point. Height is a key consideration, especially if you have furniture with limited clearance in your home.

The iRobot Roomba 981, at 92mm measures more in height than the iRobot Roomba s9+ with a difference of 3mm. When choosing a robot vacuum, ensure 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 a crucial factor that determines how long the vacuum can run on a single charge. Battery capacity is measured in milliampere-hours (mAh), iRobot Roomba s9+'s battery power is 3,300mAh

The iRobot Roomba 981, at mAh3,000 has less battery power than the iRobot Roomba s9+ with a difference of only A bigger capacity implies longer battery life which can be beneficial if you have a large home or if you prefer the robot vacuum to complete operations with less interruptions to recharge.

Operating Time

The operating time of a robot vacuum cleaner refers to the amount of time the vacuum can clean continuously on a single battery charge before it needs to return to its charging dock for recharging. iRobot Roomba s9+'s operating time is 1h

The iRobot Roomba 981, at 2h lasts more than the iRobot Roomba s9+ by 1h Always plan cleaning cycles around the vacuum's operating time to maximize efficiency and prevent "incomplete work" between charge intervals.

Charge Time

iRobot Roomba 981 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.

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 981 has an auto-off feature, which is useful for energy efficiency and battery preservation.

Has Dirt Sensor

iRobot Roomba s9+ has a dirt sensor, these are designed to detect the concentration of dirt, dust, or debris in the area being cleaned and can be used to adjust the vacuum's cleaning behavior during cleaning cycle.

iRobot Roomba 981
See Price on Amazon

Other Features

Is Self-Emptying

Self-emptying bins or automatic dirt disposal systems like the iRobot Roomba s9+, are modern robot vacuum models that have the ease of use feature to empty their dustbins automatically.

Support A Mobile Application

iRobot Roomba s9+ supports a smartphone app, through which you can control and monitor the vacuum remotely through your smartphone or tablet.

Both the iRobot Roomba 981 and iRobot Roomba s9+ have mobile application support, mobile apps enhance your experience by providing convenience, and ease update of features and functionalities.

Doesn't Get Stuck

This feature in robot vacuum cleaners is intended to eliminate the likelihood of the robot vacuum becoming trapped during cleaning. Robot vacuums such as the iRobot Roomba s9+ are equipped with various sensors and technologies to move around obstacles and avoid getting trapped, but the effectiveness of this feature can vary among different models.

Both the iRobot Roomba 981 and iRobot Roomba s9+ have the "anti-stuck" feature, but clearing clutter, ensuring proper cable management, and creating clear paths for the vacuums helps to further reduce the chances of getting stuck while cleaning.

Supports Virtual Barriers

Virtual barriers are set up and managed via the robot vacuum's mobile app, similar to no-go zones, these barriers are setup to enable you control and restrict where the robot vacuum can and cannot go during cleaning.

Has Route Mapping

iRobot Roomba s9+ has a route mapping feature which enables it to create a map of your space and plan efficient cleaning routes. This mapping capability enhances the vacuum's ability to clean effectively and systematically.

Route mapping is a valuable feature as it enables robot vacuums such as the iRobot Roomba 981 to adapt to the layout of your home to clean more efficiently and minimize the chance of missing certain spots.

Has Voice Prompts

Voice prompts refer to audible messages that the vacuum states to give you alerts on the different states of the vacuum. iRobot Roomba s9+ has this feature

The iRobot Roomba 981 also supports voice prompts, this feature is useful for you who prefer audible notifications or users who have visual impairments.

Supports Auto Docking

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

Both iRobot Roomba 981 and iRobot Roomba s9+ 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.

Has Anti-Fall Sensor

Most robot vacuum cleaners such as iRobot Roomba s9+ come equipped with an "anti-fall" feature. This feature is designed to save the robot vacuum from falling off stairs, ledges, or other elevated surfaces, ensuring its safety while cleaning.

This safety feature that is also available on the iRobot Roomba 981 is key in preventing accidents and protecting the robot vacuum from damage. It gives you peace of mind by ensuring that the vacuum will not fall down a flight of stairs during its cleaning cycle.

Can Be Scheduled

iRobot Roomba 981 has this convenient feature, which allows you to set specific days or times of day for the robot vacuum to automatically start working.

Supports Wi-Fi

iRobot Roomba 981 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.

Related Reviews