When it comes to robotic vacuums, iRobot has consistently set the standard for innovation and performance. Two models that stand out in their range are the Roomba i7 and the newer Roomba J8. Both are packed with smart features, powerful cleaning systems, and solid performance, but they cater to slightly different needs. In this detailed comparison, we will examine the features, strengths, and key differences between the Roomba i7 and J8 to help you determine which vacuum is best suited for your home.


Design and Build Quality

Size, Weight, and Appearance

Both the Roomba i7 and J8 share a similar design, featuring a sleek, round, and compact build that allows them to easily navigate under furniture and around obstacles. They both come in a sleek black finish, with subtle touches of gold and silver on the J8, giving it a more modern, high-end feel. The i7, while still stylish, maintains a more traditional look.

Feature Roomba i7 Roomba J8
Dimensions 13.4 x 3.63 inches 13.4 x 3.6 inches
Weight 7.44 lbs 7.45 lbs
Finish Black Black/Gold Accent

Both vacuums are almost identical in terms of size and weight, with the J8 offering just a slight aesthetic upgrade. Their low-profile design ensures that both robots can reach tight spots and clean under furniture with ease.


Cleaning Performance

Suction Power and Cleaning System

The Roomba i7 and J8 both feature iRobot’s AeroForce® 3-Stage Cleaning System, which includes dual multi-surface brushes and a powerful suction motor designed to pick up dirt, debris, and pet hair. However, the J8 comes equipped with upgraded sensors and an improved cleaning system, making it slightly more efficient on carpets, particularly when dealing with pet hair.

Cleaning Aspect Roomba i7 Roomba J8
Suction Power High High
Brush System AeroForce® Dual Brushes AeroForce® Dual Brushes
Performance on Carpets Excellent Excellent (Pet Hair)

Both models perform excellently on hard floors and low-pile carpets, but the J8 is designed with more advanced pet hair handling capabilities, making it ideal for homes with pets. It boasts a more robust suction system that is especially effective on high-pile carpets.

Performance on Various Surfaces

Surface Type Roomba i7 Performance Roomba J8 Performance
Hardwood Floors Excellent Excellent
Low-Pile Carpets Excellent Excellent
Medium-Pile Carpets Excellent Excellent
High-Pile Carpets Good Excellent
Pet Hair Excellent Excellent

The Roomba J8 shines in homes with high-pile carpets and heavy pet shedding. Its improved suction and brush system make it better at grabbing stubborn dirt and pet hair, even from deeper carpet fibers.


Navigation and Mapping

Advanced Navigation and Mapping Features

The Roomba i7 uses iAdapt® 3.0 Navigation with Visual Localization, which allows the vacuum to create detailed maps of your home, remember multiple floor plans, and clean more strategically. It can also create no-go zones, making it highly customizable.

The Roomba J8 also uses advanced navigation and features the same Visual Localization system, but it adds even more precision with upgraded obstacle detection. The J8 is equipped with a front-facing camera that helps it avoid common household obstacles like shoes, cords, and furniture, making it ideal for homes with lots of clutter.

Navigation Feature Roomba i7 Roomba J8
Navigation System iAdapt® 3.0 with Visual Localization iAdapt® 3.0 with Visual Localization + Obstacle Avoidance
Mapping Capability Yes Yes
No-Go Zones Yes Yes

The Roomba J8’s ability to navigate around obstacles more efficiently and detect areas that might cause issues (like tangled cords) sets it apart from the i7, especially for users in homes that require extra care in navigation.


Battery Life and Runtime

Runtime and Recharge Features

Both the Roomba i7 and J8 provide up to 90 minutes of continuous cleaning on a single charge. They both feature the “Recharge and Resume” function, which ensures that when their battery is low, they will automatically return to their charging station, recharge, and continue cleaning from where they left off.

Battery Aspect Roomba i7 Roomba J8
Runtime ~90 minutes ~90 minutes
Recharge and Resume Yes Yes

Both models have similar runtime, but the J8’s improved navigation system allows it to cover more ground efficiently in less time, especially in larger homes.


Smart Features

Wi-Fi Connectivity and Voice Control

Both the Roomba i7 and J8 are equipped with Wi-Fi connectivity, allowing you to control them remotely via the iRobot Home app. This feature enables scheduling, monitoring, and the ability to customize cleaning preferences. Both models also support Amazon Alexa and Google Assistant voice control, allowing you to start, stop, or schedule cleanings with voice commands.

Feature Roomba i7 Roomba J8
Wi-Fi Compatibility Yes Yes
App Control Yes Yes
Voice Commands Alexa/Google Alexa/Google

While both vacuums offer the same level of smart connectivity, the Roomba J8 takes it a step further by integrating advanced obstacle avoidance into the app’s features. This means that users can set up custom cleaning routines to avoid problem areas, which is perfect for homes with a lot of furniture or pets.


Maintenance and Accessories

Dustbin Capacity and Filter System

Both vacuums come with a 600 ml dustbin, which is enough to handle cleaning tasks in medium-sized homes. The filters in both the i7 and J8 are designed to capture dust, allergens, and fine particles, but the J8’s filtration system includes an anti-allergen filter, which is particularly beneficial for users who suffer from allergies or asthma.

Maintenance Aspect Roomba i7 Roomba J8
Dustbin Capacity 600 ml 600 ml
Filter Type High-Efficiency High-Efficiency + Anti-Allergen

Both vacuums are easy to maintain, but the J8’s anti-allergen filter gives it an edge in terms of air quality and overall cleanliness, particularly in households with sensitive respiratory conditions.


Price and Value

Aspect Roomba i7 Roomba J8
Price Range Premium Premium
Value for Money Excellent Excellent

Both the Roomba i7 and J8 are premium models, so they come with a higher price tag. However, they provide excellent value for money with their powerful suction, smart features, and advanced navigation systems. The J8’s enhanced obstacle avoidance and anti-allergen features may justify the extra cost for some users, particularly those with pets or homes requiring advanced navigation.


Who Should Choose Which?

User Type Recommended Model
Pet Owners Roomba J8
Homes with Clutter Roomba J8
Allergy Sufferers Roomba J8
Standard Cleaners Roomba i7

Final Verdict

Both the Roomba i7 and J8 are exceptional robotic vacuums, offering top-tier cleaning performance, smart features, and efficient navigation. However, they cater to different needs.

  • Choose the Roomba i7 if you want a highly efficient vacuum with advanced mapping, great suction, and solid performance on a variety of surfaces. It is perfect for homes that don’t have significant obstacles or clutter.
  • Opt for the Roomba J8 if you have a home with heavy pet hair, a lot of clutter, or obstacles that need to be carefully avoided. The J8’s enhanced obstacle detection, anti-allergen filtration, and ability to clean more efficiently in challenging environments make it a superior choice for those with specific needs.

Both vacuums provide excellent cleaning performance, but the J8’s added features make it a more versatile option for users who need extra precision and care during their cleaning routines.