Here is a simple comparison of the iRobot Roomba 700 Series:
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| Model |
760
|
770
|
780
|
790
|
| Price (2013-02-06) |
$449.99
|
$499.99
|
$599.99
|
$699.99
|
| Onboard Scheduling |
Yes
|
Yes
|
Yes
|
Yes
|
| Virtual Walls |
2
|
2
|
Not Included
|
Not Included
|
| Virtual Wall Lighthouses |
Not Available
|
Not Available
|
2
|
3
|
| Extra Brushes |
Not Included
|
Not Included
|
1 Extra Bristle Brush, Flexible Brush and Side Brush
|
3 Extra Side Brushes, 2 Extra Beater Brushes, 2 Extra Bristle Brushes
|
| Brush Cleaning Tool |
2
|
2
|
2
|
2
|
| Extra Filters |
1
|
1
|
1
|
3
|
| Bin Type |
AeroVac Series 2
|
AeroVac Series 2
|
AeroVac Series 2
|
AeroVac Series 2
|
| Full Bin Indicator |
No
|
Yes
|
Yes
|
Yes
|
| Infrared Remote Control |
1
|
1
|
1
|
Not Included
|
| Wireless Command Center |
Not Included
|
Not Included
|
Not Included
|
1
|
| Persistent Pass Cleaning |
Yes
|
|||
| Fiter Type |
HEPA
|
|||
| Weight |
8.4 lbs
|
|||
| Dimensions |
13.9 inches in diameter, 3.6 inches in height
|
|||
| Dirt Sensoring |
Dirt Detect
|
Dirt Detect Series 2
|
Dirt Detect Series 2
|
Dirt Detect Series 2
|
| Control Panel |
Buttons
|
Buttons
|
Touchpad Control
|
Touchpad Control
|
| More Accessories | Carrying Case, Screwdriver | |||
To learn more, you can download the Roomba 700 series manual pdf file: http://www.irobot.com/images/homesupport/Manuals/00256.0111_RoombaManual.700Series.pdf
If the link does not work, you can visit irobot.com to do a search to find the user manual.
Below is the Roomba 700 series quick start guide video from iRobot, you can have a quick glance and learn how the Roomba works.