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iRobot Roomba 770 Versus 780

Updated on July 29, 2014

iRobot Roomba 770 & 780 Comparison

Are you interested in investing in a iRobot Roomba robot vacuum, specifically either the 770 or 780, however are a little unsure over the exact differences between them? Don't worry you definitely aren't alone, they can get somewhat confusing to compare, hence I've drawn up this comparison guide of the Roomba 770 Vs 780 so it will be able to help you out & provide a clear overview as to what each Roomba can offer you, where they differ and ultimately which is the best one for you to go for.

You can see from the Roomba 770 and 780 comparison table just below the immediate differences between the two. The remaining aspects will go on to explain the features & how the Roomba 770 and 780 differ from one another -- then the concluding section will highlight the key differences between them and which represents the best overall investment.

Comparison Table of the Roomba 770 Versus 780

 
Roomba 770
Roomba 780
Price
$500
$600
Dimensions
13.9" x 3.6" (Diameter x H)
13.9" x 3.6" (Diameter x H)
Weight
8.4 lbs
8.4 lbs
Battery Performance
Run Time: 90 Mins
Run Time: 90 Mins
Charge Time
3 Hours
3 Hours
Control Panel
Physical
Touch Pad
Clean Up
Dirt, Pet Hair & Debris
Dirt, Pet Hair & Debris
Multi Floor
Yes
Yes
Cleaning Process
3 Stage (series 2)
3 Stage (series 2)
Filtration System
Dual HEPA
Dual HEPA
Technology
Dirt Detect Series 2 & Persistent Pass
Dirt Detect Series 2 & Persistent Pass
Navigation
iAdapt Responsive
iAdapt Responsive
Scheduling
Yes
Yes
Virtual Walls
Yes
Yes
Remote Control
Yes
Yes
Bin Indicator
Visual & Audio
Visual & Audio
Warranty
12 months
12 months
Color
Black
Grey
A comparison of the major differences between the iRobot Roomba 770 and 780 -- feature by feature and specifications.

Note: the prices above are their recommended retail price -- if you are a savvy shopper though you will be able to find prices much cheaper than this for both the Roomba 770 and 780 -- the best prices actually tend to be on Amazon (overall) with free delivery etc.

What's the Difference Between the Roomba 770 and 780?

So as you can see from the table the 770 and 780 are actually almost identical, there are only two real aspects that separate them (and what can be considered improvements from the 770 to the 780).

#1 Touch Pad Control: this feature basically allows you to operate the 780 without that of manual buttons and everything can be done via a touchpad? Is this an improvement though? I wouldn't say so, I much prefer the 770 model as the touchpad seems way too sensitive on the 780.

#2 Extra Brushes: what isn't mentioned above in the specs comparison table above is the 'what come's in the box?' for both the Roomba 770 and 780. They both come with the actual robot vacuum itself, a rechargeable battery, two sets of two HEPA filters, a self charging homebase, a set of two virtual walls, an infra red remote control, two cleaning maintenance brush tool. The Roomba 780 on the other also comes with brush bar replacements, a bristle brush, flexible brush and a side brush as well.

They obviously also come in different finish designs (770 is black & 780 is grey).

All the remaining features between the Roomba 770 and 780 are actually exactly the same and we will just run them through with you now.

Cleaning System

They both use what iRobot describe as a three stage cleaning process, this basically involves three separate elements: an aero vacuum (providing the suction), side and frontal brush bars to gather the dirt from your flooring (it works very well on all floor types: wood, carpet, tiles etc.). Many customers think that the shape of the Roombas isn't right, as they won't be able to get right to the edges, but they have a special edge cleaning brush technology -- that allows them to get right up personal to your skirting and sides of rooms.

Cleaning Technology

They are integrated with Dirt-detect series 2, which has optical and acoustic sensors to basically seek out particularly dirty patches (big clumps of debris) on your flooring and then will innitiate the persistent pass feature: which is basically where the Roomba will perform multiple passes over the dirty area until its satisfied that it's clean (much like you would do with a standard vacuum cleaner).

Control System

The difference between the Roomba 770 and 780 here is that one is button press and the other is touch pad control. They both however, come with a remote control for you to change settings of the Roomba without having to get up from your sofa. Moreover, they also both come with the awesome 7 days a week scheduling system whereby you can essentially set your Roomba to clean whilst you are out of the house either at work or on holiday, so you can never hear or see the robot vacuum get to work, but you can come back to a nice clean home.

Moreover, they both come with a set of virtual walls. These basically allow you to set up invisible barriers, so you can keep the Roomba cleaning with a specified area without the need for a physical presence. It works in conjunction with the intelligent iAdapt responsive navigation technology which is responsible for the Roomba setting out an efficient cleaning path of a room whilst taking into account obstacles (e.g. cliff drop offs, leg chairs and so on). It even has an escape mechanism to help release itself from getting trapped in wires.

Which iRobot Will You Get the Roomba 770 or 780?

See results

Which Should You Buy the Roomba 770 or 780?

Well if you are going to ask which is the best overall package, then obviously it is the Roomba 780. However, that is disregarding a very important factor and that is price. I believe for roughly an extra $75 to $100, all you are getting with the 780 is a worse control panel (certainly the opinion with the majority of Roomba users) and a few extra brushes (which amount to about $30 to $50 if all bought separately). So clearly, I reckon you should go with the 770 model given it is cheaper and in practical terms is no worse off than the 780 (plus I like the all black finish to it), but which model you go for -- the Roomba 770 or 780 -- is for you to decide.

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