The Roomba i7+ and i8+ are two of iRobot’s premium robot vacuums, known for their advanced features and self-emptying capabilities. While they share many similarities, subtle differences in performance, exclusive features, and pricing can influence your decision. In this comprehensive comparison, we’ll break down the differences to help you choose the best option for your home.


Design and Build Quality

Sleek and Modern Aesthetics

Both models share a similar design language, offering a sleek, modern look.

Feature Roomba i7+ Roomba i8+
Dimensions 13.3 x 3.6 inches 13.3 x 3.6 inches
Weight 7.44 lbs 7.44 lbs
Finish Glossy Black Glossy Black with Bronze Accents

The main visual distinction is the bronze detailing on the i8+, giving it a slightly more refined appearance compared to the all-black i7+.


Cleaning Performance

Powerful Suction and Precision Brushes

Both the i7+ and i8+ feature iRobot’s powerful suction, delivering 10 times the suction power of the 600 series models. They are equipped with dual multi-surface rubber brushes that adapt to different floor types.

Feature Roomba i7+ Roomba i8+
Suction Power 10x (Standard) 10x (Standard)
Brush System Dual Rubber Brushes Dual Rubber Brushes

Performance Across Surfaces

Surface Type Roomba i7+ Performance Roomba i8+ Performance
Hardwood Floors Excellent Excellent
Low-Pile Carpets Excellent Excellent
High-Pile Carpets Very Good Excellent

While both models excel across all surfaces, the i8+ performs slightly better on high-pile carpets due to enhanced cleaning algorithms.


Navigation and Mapping

Advanced Smart Mapping

Both models use iRobot’s Imprint Smart Mapping, allowing them to learn and adapt to your home’s layout.

  • Roomba i7+: Stores up to 10 floor plans, making it ideal for multi-level homes.
  • Roomba i8+: Includes the same mapping capabilities but features improved efficiency in room-by-room navigation.
Feature Roomba i7+ Roomba i8+
Navigation System iAdapt 3.0 iAdapt 3.0
Smart Mapping Yes Yes
Keep-Out Zones Yes Yes

The i8+ may cover slightly more area per cleaning cycle due to optimized software, saving time in larger spaces.


Self-Emptying Clean Base

Convenience at Its Best

Both models include the Clean Base Automatic Dirt Disposal, allowing the robot to empty its dustbin into an enclosed bag that holds up to 60 days of debris.

Feature Roomba i7+ Roomba i8+
Clean Base Included Yes Yes
Bag Capacity 60 days 60 days

There are no notable differences in the self-emptying system between these two models.


Battery Life and Coverage

Long Runtime for Large Homes

Battery Aspect Roomba i7+ Roomba i8+
Runtime ~75 minutes ~90 minutes
Recharge and Resume Yes Yes

The i8+ has a longer runtime, making it better suited for larger homes or more extensive cleaning sessions. Both models feature Recharge and Resume, ensuring they complete the job even if they need to recharge mid-clean.


Smart Features

App and Voice Control

Both models integrate seamlessly with the iRobot Home App and support voice commands via Alexa and Google Assistant.

Feature Roomba i7+ Roomba i8+
Wi-Fi Compatibility Yes Yes
App Control Yes Yes
Voice Commands Alexa/Google Alexa/Google

The i8+ may offer faster response times in app controls due to minor firmware enhancements.


Price and Value

The i8+ is often priced slightly higher than the i7+ due to its enhanced battery life and software improvements.

Aspect Roomba i7+ Roomba i8+
Price Range Lower Higher
Value for Money Excellent Very Good

Who Should Choose Which?

User Type Recommended Model
Budget-Conscious Roomba i7+
Large Homes Roomba i8+
Pet Owners Both Are Excellent
Tech Enthusiasts Roomba i8+

Final Verdict

Both the Roomba i7+ and i8+ deliver exceptional cleaning performance, advanced navigation, and the convenience of self-emptying technology. The decision ultimately depends on your needs and budget:

  • Choose the Roomba i7+ if you’re looking for a premium robot vacuum with excellent features and a slightly lower price.
  • Opt for the Roomba i8+ if you need extended runtime, improved carpet cleaning, and minor enhancements for larger or more complex homes.

No matter which model you choose, both offer the intelligent cleaning power and convenience that iRobot is known for, ensuring your home stays spotless with minimal effort.