iRobot Roomba i7 (7150) vs. S9 (9150): Robot Vacuums

In this buying guide, we’re going to be looking at the iRobot Roomba I7 7150, and the iRobot Roomba S9 9150. You are going to learn all about what these robot vacuums offer, and how they work.

iRobot Roomba i7 (7150) vs. S9 (9150)
Roomba i7

That way, you can determine which robot vacuum is the right one for you!



SmartCleaningTips is supported by readers. We don't want to annoy you with display ads, but we do include links to products. When you buy with our links, we may earn a commission.


Difference Between the iRobot Roomba i7 and S9

RoombaRoomba i7Roomba S9
Sensor Type camera, odometrycamera
Suction Power 1700 Pa2200 Pa
Сleaning Area 1991 ft22153 ft2
Dust Container500 ml400 ml
Noise68 db65 db
Battery Capacity 3300 mAh3300 mAh
Runing time 75 min120 min
Charging Time 120 min240 min
Rated Power54 W58 W
Weight 7.28 lbs7.43 lbs
Width 13.31 in13.34 in
Height 3.62 in3.63 in
ReleaseSep 2018May, 2019
PriceCheck priceCheck price


What Does The iRobot Roomba i7 7150 Offer?

The iRobot Roomba I7 7150 is a fairly elaborate robot vacuum that offers a number of excellent features and settings. To use this robot vacuum, you’ll be relying on your smartphone – or another Smart Device, such as Amazon Alexa or Google Assistant – and this gives you access to the features and settings that are offered.

On your smartphone, you can do things like create a custom schedule for the robot vacuum, change the cleaning mode, tell the robot vacuum to recharge, turn it on and off, and access a map of your home. Having access to that map is an incredibly useful feature, as it gives you the ability to see where the robot vacuum is, at all times.

iRobot Roomba i7 (7150)
Roomba i7

More importantly, it allows you to choose exactly where the robot vacuum cleans, and where it stays away from.

With the map, you can choose specific rooms and spaces that you want the robot vacuum to clean. So, if you want the robot vacuum to clean a bedroom, you can choose that bedroom on the map, and it will clean.

You can also choose spaces and areas that you don’t want the robot vacuum to clean, so that it will then stay away from them.

While having access to that level of control and functionality is excellent, this robot vacuum also offers some excellent performance. Through the use of a very powerful motor and an incredibly useful brushing system, this robot vacuum is able to easily vacuum on hard and soft floors.

If you are vacuuming on a hardwood floor, for example, then all of the dirt, dust, and small pieces of debris on that floor will be removed. And, even on a soft floor – such as a rug or carpet – where the surface is very thick and dense, the robot vacuum has no problems removing what’s on the surface.

If you are looking for an excellent robot vacuum that gives you complete control over the vacuuming process, and plenty of power, then the iRobot Roomba I7 7150 is a fantastic purchase!

iRobot Roomba i7 (7150) Robot Vacuum

What Does The iRobot Roomba S9 9150 Offer?

The iRobot Roomba S9 9150 offers many of the same basic features and design traits that the previous Roomba offers. But, it also offers greater suction power, stronger brushing power, and a very nice dirt disposal feature.

iRobot Roomba S9 (9150) vs. i7 (7150)
Roomba S9

To use this robot vacuum, you can use your smartphone – or an Amazon Alexa or Google Assistant device – and you have access to all of the features and settings that are offered.

This includes things like creating a custom schedule and telling the vacuum to recharge, as well as the mapping feature that the I7 7150 offered. That way, you can determine where the robot vacuum goes and what, specifically, it vacuums up.

What really sets this robot vacuum apart, though, is the fact that it has an automatic dirt disposal feature.

When the vacuum has a full dirt-tank, it will then go over to a dirt disposal dock, where all of the dirt that is in the tank will be removed. Then, the robot vacuum will go back to vacuuming.

This is such a convenient feature, as it ensures that the entire vacuuming process is completely automated.

iRobot Roomba S9 (9150)
Roomba S9

There is no need for you to do anything except turn the vacuum on and allow it to work, because the vacuums works on its own and is capable of performing all of those little functions by itself.

As for the power and efficiency that this robot vacuum offers, it offers a significant amount more than the I7 7150. This is easily one of the most powerful robot vacuums on the market, and all of this power allows this robot vacuum to easily remove just about anything on any surface.

For example, if you need to vacuum up pet hairs from a thick rug, then you can use this robot vacuum to do just that. It doesn’t matter how dense the surface is, or how messy your home is, this robot vacuum can easily vacuum it!

Ultimately, if you are looking for power, efficiency, and convenience, and you don’t mind spending a fair amount of money for it, then the iRobot Roomba S9 9150 is fantastic!

iRobot Roomba S9 (9150) Robot Vacuum

Our Recommended Robot Vacuums

Best of the Best!
Also Great
Budget Option
iRobot Roomba i7+ (7550) Robot Vacuum with...
Roborock S4 Robot Vacuum, Precision Navigation,...
eufy by Anker, BoostIQ RoboVac 11S (Slim), Robot...
Roomba i7+
Roborock S4
Eufy 11S (Slim)
• "Continuous" Runtime
• 150min Runtime
• 100min Runtime
• 1800Pa
• 2000Pa
• 1300Pa
Empties on its own - you don’t have to think about vacuuming for months at a time. Clean Base Automatic Dirt Disposal with AllergenLock bag holds 60 days of dirt, dust and hair.
A high-precision laser navigation system scans your room at 300RPM, creating a real-time map of your home.
Re-engineered to be the slimmest RoboVac (2.85") but with quiet operation and increased suction at 1300Pa for up to 100 minutes.
Best of the Best!
iRobot Roomba i7+ (7550) Robot Vacuum with...
Roomba i7+
• "Continuous" Runtime
• 1800Pa
Empties on its own - you don’t have to think about vacuuming for months at a time. Clean Base Automatic Dirt Disposal with AllergenLock bag holds 60 days of dirt, dust and hair.
Also Great
Roborock S4 Robot Vacuum, Precision Navigation,...
Roborock S4
• 150min Runtime
• 2000Pa
A high-precision laser navigation system scans your room at 300RPM, creating a real-time map of your home.
Budget Option
eufy by Anker, BoostIQ RoboVac 11S (Slim), Robot...
Eufy 11S (Slim)
• 100min Runtime
• 1300Pa
Re-engineered to be the slimmest RoboVac (2.85") but with quiet operation and increased suction at 1300Pa for up to 100 minutes.

Robot Vacuums

A robot vacuum cleaner is a great addition to your home and provides you with more time to do the things you enjoy most. Robot vacuums are compact and will not take up too much additional space in your home and are a great addition to your home cleaning arsenal.

Robot Vacuum Type

Best Automatic Dirt Disposal Robot Vacuums
MOOSOO Robot Vacuum

Robot Vacuum Reviews

iRobot Roomba i3
Roborock S6 Pure

Robot Vacuum Comparison

Roomba e5 vs i7
Roomba 675 vs e5

Robot Vacuum Related Articles

Best Robot Vacuum and Mops



Last update on 2020-10-01 / Most affiliate links and/or Images from Amazon Product Advertising API

Leave a Comment