IRobot Roomba 877 vs. Roomba 890: Pros, Cons and Verdict

As the leader in robot vacuum technology, iRobot has something for everyone. The company offers so many products that your final robot vacuum buying decision often comes down to two products from iRobot with the Roomba 877 and the Roomba 890 among the most popular.

Roomba 877 VS Roomba 890

While not as good as the newer 900-series, the 877 and 890 offer excellent value for their prices. Despite their similarities, Roomba 877 vs. Roomba 890 they are vastly different models with their own advantages and disadvantages.

What’s in the Box?

The Roomba 877 comes in a simple package. Besides the vacuum itself, you get the charging station, power cord, a virtual wall device with batteries, and an extra filter along with the Owner’s guide and documentation. On the other hand, the 890 comes with everything the 877 has to offer plus an extra side brush, and a built-in Wi-Fi transceiver and associated mobile app.

Our side by side comparison: IRobot Roomba 877 vs. Roomba 890

Features
Roomba 877
Roomba 890
Featured Image
iRobot Roomba 877 Vacuum Cleaning Robot
iRobot Roomba 890 Robot Vacuum- Wi-Fi Connected, Works with Alexa, Ideal for Pet Hair, Carpets, Hard Floors
IAdapt navigation
Yes
Yes
Vacuum Technology
AeroForce
AeroForce
Debris extractors
Yes
Yes
Wi-Fi support
No
Yes
Filter
AeroForce
AroeFilter
Full bin indicator
Yes
Yes
Scheduling
Yes
Yes
Auto-recharge
Yes
Yes
Forced docking
Yes
Yes
Spot cleaning
Yes
Yes
Battery
Lithium-ion
Lithium-ion
Remote control
Sold separately
Yes
Alexa compatibility
No
Yes
Navigation
Virtual lighthouse
Dual mode virtual wall barrier
Carrying handle
Yes
Yes
Dimensions (inches)
13.9 by 3.6
13.9 by 3.6
Weight (lbs)
8.4
8.4
Features
Roomba 877
Featured Image
iRobot Roomba 877 Vacuum Cleaning Robot
IAdapt navigation
Yes
Vacuum Technology
AeroForce
Debris extractors
Yes
Wi-Fi support
No
Filter
AeroForce
Full bin indicator
Yes
Scheduling
Yes
Auto-recharge
Yes
Forced docking
Yes
Spot cleaning
Yes
Battery
Lithium-ion
Remote control
Sold separately
Alexa compatibility
No
Navigation
Virtual lighthouse
Carrying handle
Yes
Dimensions (inches)
13.9 by 3.6
Weight (lbs)
8.4
Features
Roomba 890
Featured Image
iRobot Roomba 890 Robot Vacuum- Wi-Fi Connected, Works with Alexa, Ideal for Pet Hair, Carpets, Hard Floors
IAdapt navigation
Yes
Vacuum Technology
AeroForce
Debris extractors
Yes
Wi-Fi support
Yes
Filter
AroeFilter
Full bin indicator
Yes
Scheduling
Yes
Auto-recharge
Yes
Forced docking
Yes
Spot cleaning
Yes
Battery
Lithium-ion
Remote control
Yes
Alexa compatibility
Yes
Navigation
Dual mode virtual wall barrier
Carrying handle
Yes
Dimensions (inches)
13.9 by 3.6
Weight (lbs)
8.4

Both models come equipped with both iAdapt and AeroForce technologies. The iAdapt responsive navigation system allows both units to clean your entire house from a single docking station by combing sophisticated software with external sensors. On the other hand, AeroForce is a 3-stage vacuuming system that uses two counter-rotating, multi-surface brushes and a spinning side brush to pick up dust, debris, dirt, pet hair from the floor and along wall edges before vacuuming the debris into the bin.

Roomba 877 working

Roomba 877 vs. Roomba 890, What makes them different?

The only major differences are between the two models their remote-control technologies and external navigation systems.

The Roomba 877 comes with a single Virtual Lighthouse which you can set to either wall or lighthouse mode. Wall more keeps the robot in a room, while the lighthouse lets it move safely to another room.

On the other hand, the Roomba 890 comes with one Dual Mode Virtual Wall Barrier. These devices can block open doorways or protect some restricted area within a room.

Cost-effectiveness

While it is true that the Roomba 890 does come with more features, you may not need them. Thus, the cost effectiveness really comes down to do you really need the extra benefits that come with the 890.

Motor Power & Noisy

Both models run relatively silently on their Lithium-ion batteries with good vacuuming power. Both robots can last up to 60 minutes before having to return back to their docks.

Cleaner Weight & Volume

The 877 and the 890 both come in just over 8 pounds, making them equally lightweight. They also have the same volume and dimensions, allowing them to reach the same locations.

Brush

Both robots have the same tangle-free brushes. meaning hair will not get tangled on them. You can use either model regardless if you have pets around your home.

Filter

The 890 also comes with an impressive filter system that makes it the perfect choice for allergy sufferers as well.

Roomba 890 working

Considerations of the iRobot Roomba 877 and Roomba 890

Each Roomba model is a high-quality product that will do what you want it to do at a price that is much less than the current top-of-the-line models. Both of them have an average rating of 4 out of 5 stars from Amazon customers and possess an impressive array of features out of the box. However, Roomba 877 vs. Roomba 890, they are not they not have all the same features.

Roomba 877

Pros

  • Inexpensive. You get all the most important vacuum features at a much lower price.
  • Virtual Wall technology. You can restrict the movement of the device.

Cons

  • No built-in remote control. You can add remote control capabilities with an additional external device sold separately.
  • Single-room operation. The 877 can only clean one room at a time. It does come with a virtual lighthouse that will allow it to clean additional rooms though.
  • Sometimes Cleans Randomly. The device will often turn on outside of your pre-set schedule.

Roomba 890

Pros

  • Wi-Fi connectivity. You can control the robot from your smartphone even when you are not home. You do not need an additional remote-control device with the 890.
  • Multi-room operation. The device will clean every room in your home without an extra external control device.
  • Dual-mode virtual wall barriers. The barrier device lets you create virtual walls around sensitive areas in your home to restrict the movement of the vacuum.
  • This Roomba is pretty good for pet hair.

Cons

  • More expensive. The 890 comes at a higher cost than the 877 but only adds remote control functionality.

How to choose between them

You may find situations where the additional 890 features are useful. However, unless you want to use your smartphone to control your robot, you might be better off saving the money and just get the 877. Both devices have every you need in a quality robotic vacuum including good floor coverage, auto-docking, self-charging, and scheduling.

Teething Troubles

Like any home automation system, both models of iRobot Roomba must learn your home before it can effectively clean it. So, you might find that your new robot vacuum often has a full bin during the first few days of operation. However, both robots quickly learn your rooms, and the issue goes away quickly. The tangle-free brushes reduce the chance for teething even further by preventing any build up around the brushes. Still, you may want to keep a few filters around just in case. While you can go a few months without cleaning them, you still want to check on them as a normal part of your regular robot maintenance.

Conclusion

Robotic vacuum systems get better every year, but that does not mean you must go out and get the latest model with all the bells and whistles. Most people can just buy an older model and still get the great floor cleaning they desire. Both the iRobot Roomba 877 vs. Roomba 890 still bring a lot to the table and are close enough to each other that most of the time choosing one will come down to personal preference.

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