We’ll compare Roomba 780 and 650 and list the difference between them below.

Roomba 650 vs 780
images from manufacturer

Price:
The Roomba 650 is $200 cheaper than the 780. The Roomba 650 is priced at $399.99, while the price of the 780 is $699.99.

Control Panel:
Roomba 780 features touchpad controls whereas the 650 uses buttons.

Control Accessory:
The Roomba 780 comes with a control kit that allows you to control Roomba around your room, while the 650 doesn’t include the romote control.

Virtual Wall vs. Virtual Wall Lighthouses:
Roomba 650 comes with 1 Virtual Wall whereas the Roomba 780 comes with 2 Virtual Wall Lighthouses.
The virtual wall lighthouse has a navigation ability which the virtual wall doesn’t have.

Filter:
The Roomba 780 features dual HEPA filters to trap small particles.
Roomba 650 uses AeroVac filter.
And the 780 comes with 1 additional set of HEPA filters ( 2 filters ).
Roomba 650 comes with an extra AeroVac filter.

Bin Type:
The Roomba 780 comes with AeroVac Series 2 bin while Roomba 650 comes with AeroVac bin.
The Aerovac bin helps optimizing airflow to pull hair and other stuff off the Roomba’s brushes, and guide them into the back of the bin.

Full Bin Indicator:
The Roomba 780 has a full bin indicator whereas Roomba 650 doesn’t.

Dirt Detect Technology:
The 650 features the Dirt Detect Technology to locate dirty spots while the 780 features Dirt Detect Series 2.

Persistent Pass Cleaning Pattern:
Roomba 780 features the Persistent Pass Cleaning that uses a back-and-forth cleaning motion to clean dirty spots whereas the 650 doesn’t have this feature.

Weight:
The Roomba 780 weighs 8.4 lbs. while Roomba 650 weighs 7.9 lbs.

Dimensions:
The Roomba 780 Dimensions are 13.9 inches in diameter, 3.6 inches in height,
while Dimensions of Roomba 650 are 13.39 inches in diameter, 3.62 inches in height.

Performance:
iRobot claim that the 780 pick up pet hair and debris better than the 650.

Simlarities:
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• They both have the on-board scheduling feature that lets you schedule them to run whenever you want.
• Can returns to the charging base automatically to dock and recharge.
• can self-adjust between different floors.
• features Soft-Touch Bumper to protect household items.

If you know other difference between roomba 650 and 780, please share below.

We will compare and show you some difference between Roomba 790 and 650 below.

Roomba 790 VS 650
images from manufacturer

Price:
The Roomba 650 is much cheaper than the 790.
The 790 is priced at $699.99 whereas the 650 has a price of 399.99 on irobot.com (on 2013-02-05). So, the $300 cheaper than the 790.
You can visit irobot.com and compare the price yourself.

Control Accessory:
The Roomba 790 comes with a wireless command center while the 650 doesn’t. You can use the wireless command center to control and steer the 790 without touching it, and you can also use it to schedule the robot to automatically vacuum at any time you want it to run.

Virtual Wall Vs Virtual Wall Lighthouses:
The Roomba 790 comes with 3 virtual wall lighthouses whereas the 650 comes with 1 virtual wall.
The virtual wall lighthouses have more abilities. It not only confine the robot in a specific room, but also navigate it to clean another room after cleaning the previous room. While the virtual wall cannot direct it to another room.

Full Bin Indicator:
The 790 have a full bin indicator that the 650 doesn’t include.

Control Panel:
The 650 uses buttons to control while the 790 features a touchpad control other than buttons.

Dirt Detect Technology:
The 650 features the Dirt Detect Technology while the 790 features Dirt Detect Series 2 with Persistent Pass.
The Dirt Detect Technology Series 2 uses an acoustic and optical sensors to find dirty spots and spend more time vacuuming there, the series 1 only use the acoustic sensors.

Filter Type:
The Roomba 790 use Dual HEPA air filters capture small particles while the 650 uses AeroVac filter.

Bin Type:
The Roomba 790 use AeroVac Series 2 bin while the 650 uses AeroVac bin. The AeroVac Series 2 Bin holds more.

Amount of Extra Filters:
The 650 comes with 1 extra AeroVac filter while the 790 comes with 3 extra sets of dual HEPA filters.

Extra Brush Sets:
The 790 comes with 3 extra side brushes, 2 extra bristle brushes, 2 extra beater brushes whereas the 650 has no extra brush.

Screwdriver:
The Roomba 790 comes with a screwdriver while the 650 doesn’t.

Storage Case:
The 790 package includes a carrying case which the 650 doesn’t comes with.

Weight:
The Roomba 790 weighs 8.4 pounds while the 650 weighs 7.9 pounds.

Dimensions:
Dimensions of the 790 are 13.9″ in diameter, 3.6″ in height.
Dimensions of the 650 are 13.39″ in diameter, 3.62″ in height

Pet Environment and Debris Pick Up:
iRobot claims that the 790 has better performance than the Roomba 650.

Simlarities:
• Both can return to the charging base to dock and recharge itself automatically between cleanings.
• They both have the on-board scheduling which allows you to preset them to clean floors.
• Both can self-adjust between different kinds of floors.

If you know more difference between roomba 650 and 790, please share below to help others to make a right purchasing decision.