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Roomba 870 Versus 880

Updated on July 29, 2014

iRobot Roomba 870 and 880

Are you wanting to buy a state of the art Robot vacuum cleaner & are trying to decide between the Roomba 870 and 880 as well as a bit of clarification over their exact differences? Well if so, this comparison account will definitely be able to help you out. Firstly, you can identify the immediate differences through the extensive Roomba 870 & 880 comparison table.

We will then go on to feature by feature, detail the variations between the robot vacuums and ultimately come up with a conclusion as to whether you should invest in the Roomba 870 or 880 model.

Comparison of the Roomba 870 Versus 880

 
Roomba 870
Roomba 880
Price
$600
$700
Cleaning Process
AeroForce
AeroForce
Dimensions
13.9 x 13.9 x 3.6 inches
13.9 x 13.9 x 3.6 inches
X Life Battery
Yes
Yes
Filter Systems
Dual HEPA
Dual HEPA
Navigation
iAdapt
iAdapt
Dirt Detect
Series 2
Series 2
24/7 Scheduling
Yes
Yes
Remote Control
No
Yes
Virtual Walls
Yes (Two)
No
Virtual Lighthouses
No
Yes (Two)
Floor Adjust
Yes
Yes
Restart Mode
Yes
Yes
Multi Floor
Yes
Yes
Rating
*****
*****
A comparison between the Roomba 870 and Roomba 880.

Note: the prices listed above are the 'recommend listed prices', however if you do a bit of savvy shopping, you will definitely be able to find the Roomba vacuums for a fair bit cheaper (Amazon often hosts some of the best prices overall with the Roomba range).

What's the Difference Between the Roomba 870 and 880?

Let's get straight into what the differences are between these two revolutionary robot vacuums. From first look, these two robot vacuums are very similar, but there are two major differences to be had.

#1 Infra-Red Remote Control: the roomba 880 comes with an infra red remote control, so you can alter settings via your sofa (saving you the hassle of getting up) whereas with the 870, you have to go the vacuum itself and alter settings via the interface.

#2 Virtual Walls Vs Virtual Lighthouses: this is the second major difference. Virtual walls basically allow you to contain the Roomba 870 within a restricted cleaning zone without the need for a physical barrier. Virtual lighthouses actually do the same as a virtual wall as well, but they also provide the platform for a major advantage for the Roomba 880. They act as GPS navigators for the 880 to essentially commit to room to room cleaning.

Where with the Roomba 870 you will need to set it up each time, the Roomba has finished a room. With the 880 though it will go on from one room where a lighthouse is, to the next room where another lighthouse is set up. So can essentially get even more done with your interference (you can buy more lighthouses and walls separately for use on your Roomba as well).

All the other features to do with the Roomba vacuums you can see are exactly the same (apart from a a slightly different design finish).

Ultra Powerful Cleaning System

They are fitted with what iRobot term as an AeroForce cleaning system that is 50 percent more powerful than the previous (& already very effective) 700 Roomba series and 70% more efficient than the Roomba 600 series (see here for how the 650 compares to the 770). This is because they have completely re-configured the three cleaning elements that work in unison for effective cleaning: a vastly more powerful & efficient vacuum (500% better than the Roomba 770), tangle free aeroforce extractors and an airflow accelerator which basically acts to create a vacuum seal with the floor.

Dirt Detect Series 2 & Persistent Pass

They both also share the intelligent dirt detect cleaning system which identifies particularly dirty patches with an acoustic and optical sensor. They will then trigger the persistent pass mechanism that basically performs multiple passes (going back to and over) the dirty area until it is satisfied with the outcome.

Furthermore, the cleaning brushes now adapt to the type of floor it is cleaning. They will lower for hard based floors to minimize the air leakage and allow for a more optimal cleaning performance and the same same applies for soft floors (instead the brush bars will raise).

Navigation System

They still have the iAdapt responsive technology that formulates an efficient cleaning path for the Roomba to take, but the software has been updated radically making it far more intelligent in their approach to cleaning.

Extended Battery Life

They also have a new battery integrated that allows them to not only power a more consuming robot vacuum, but for it to last for longer too. It can last up to 2 hours without a single charge. However, what I really like about these Roomba vacuums is that when they detect that they are running out of power and they are halfway into a job, they will automatically take themselves back to their charging docking station (get charged) and return back to the job, where they left off and resume. Pretty darn impressive.

Practical Specifications

They are slightly larger & heavier than previous Roomba models (e.g. see Roomba 770 Vs 780 specs), this is mainly due to the fact that they have a larger motor and 60% larger bin capacity (meaning less trips to empty the bin). As with the 700 series, the 870 and 880 also have dual HEPA filters integrated so they will catch 99.97% of particles (as small as 0.3 microns) so are certified to be allergy and asthma safe.

Moreover, they still come with my favorite feature, the scheduling program. It allows you to set your Roomba to essentially clean when your not there (e.g. at work or on holiday), so you don't have to see or even listen to the Roomba cleaning and you can return to a nice clean floor.

Which Do You Think is the Better Investment the Roomba 870 or 880?

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Which Roomba Should You Buy the 870 or 880?

Well there's a difference in price of about $100. So the question is what are you getting for this extra cash? The answer to that is the virtual lighthouses (allowing you to perform room to room cleaning) as well as a remote control. For me, that makes the 880 the winner, as the lighthouses do make the whole cleaning process just that bit more automated, saving you more time and messing about (which you would have to do with the Roomba 870). Ultimately, though it is up to you decide, let me know which you'd go for.

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