When it comes to robotic vacuums, the Roomba i3 and Roomba i7 represent two standout models in iRobot’s lineup. The i3 is positioned as an affordable yet highly capable vacuum, while the i7 offers advanced features such as Smart Mapping and greater customization. In this detailed comparison, we’ll dive into their features, performance, and suitability to help you make the right choice for your home.
Key Specifications: Roomba i3 vs i7
| Feature | Roomba i3 | Roomba i7 |
|---|---|---|
| Dimensions | 13.34 x 3.63 inches | 13.34 x 3.63 inches |
| Weight | 7.44 lbs | 7.44 lbs |
| Suction Power | 10x Gen 1 models | 10x Gen 1 models |
| Navigation System | Reactive Sensor Technology | iAdapt® 3.0 Navigation with Smart Mapping |
| Mapping | No | Yes |
| Virtual Boundaries | No | Yes |
| Battery Life | ~75 minutes | ~75 minutes |
| Clean Base™ Compatibility | Yes (optional) | Yes (optional) |
| Wi-Fi Connectivity | Yes | Yes |
| Price | Budget-Friendly | Premium |
Design and Build Quality
Roomba i3: Simple and Functional
The Roomba i3 has a modern, minimalist design featuring a textured gray top that resists fingerprints. Its build is sturdy and compact, making it easy to fit under furniture. It lacks a camera for advanced navigation, relying instead on sensors to detect obstacles.
Roomba i7: Sleek and Advanced
The i7 shares a similar size and weight to the i3 but adds a camera for mapping capabilities. The polished finish and more premium materials give it a slightly upscale feel. Its additional sensors allow for enhanced navigation and detailed mapping.
| Design Aspect | Roomba i3 | Roomba i7 |
|---|---|---|
| Aesthetic | Minimalist | Premium |
| Build Quality | Durable | Premium finish |
| Special Features | Reactive Sensor Technology | Smart Mapping with Camera |
Cleaning Performance
Suction and Brushes
Both the i3 and i7 deliver 10x the suction power of iRobot’s baseline models, making them excellent for various floor types. They feature dual multi-surface rubber brushes, which are ideal for picking up dirt, debris, and pet hair without tangling.
Performance Across Surfaces
Both models perform exceptionally well on hardwood floors and low- to medium-pile carpets. However, the i7 has the edge when it comes to cleaning efficiency, thanks to its ability to customize cleaning patterns and focus on high-traffic areas.
| Cleaning Aspect | Roomba i3 | Roomba i7 |
|---|---|---|
| Suction Power | Excellent | Excellent |
| Pet Hair | Great | Great |
| Edge Cleaning | Standard | Standard |
| Performance on Carpets | Excellent | Excellent |
Navigation and Mapping
Roomba i3: Reactive Sensors
The i3 uses Reactive Sensor Technology, which helps it avoid obstacles but lacks the ability to create detailed maps of your home. While it cleans efficiently, it may revisit areas unnecessarily, which can slightly prolong cleaning times.
Roomba i7: Smart Mapping
The i7 uses iAdapt® 3.0 Navigation with a camera to create Imprint Smart Maps. This allows it to remember your home’s layout, clean specific rooms on demand, and avoid restricted areas using virtual boundaries set through the app.
| Navigation Feature | Roomba i3 | Roomba i7 |
|---|---|---|
| Obstacle Avoidance | Standard | Advanced |
| Smart Mapping | No | Yes |
| Virtual No-Go Zones | No | Yes |
Smart Features and Connectivity
Both vacuums are equipped with Wi-Fi, allowing you to control them via the iRobot Home app. You can schedule cleanings, view cleaning history, and receive maintenance alerts for both models. They also integrate with Amazon Alexa and Google Assistant for hands-free voice control.
| Smart Feature | Roomba i3 | Roomba i7 |
|---|---|---|
| Wi-Fi Connectivity | Yes | Yes |
| App Control | Yes | Yes |
| Voice Commands | Yes | Yes |
| Custom Cleaning | No | Yes |
Maintenance and Clean Base™ Compatibility
Both models are compatible with the Clean Base™ Automatic Dirt Disposal, allowing them to empty their dustbins automatically. However, the Clean Base™ is an optional accessory and increases the overall cost.
| Maintenance Aspect | Roomba i3 | Roomba i7 |
|---|---|---|
| Clean Base™ | Compatible | Compatible |
| Dustbin Capacity | Medium | Medium |
Battery Life and Runtime
Both models offer a runtime of approximately 75 minutes and feature the Recharge and Resume function. This ensures they return to their dock to recharge and continue cleaning where they left off.
| Battery Feature | Roomba i3 | Roomba i7 |
|---|---|---|
| Runtime | ~75 minutes | ~75 minutes |
| Recharge and Resume | Yes | Yes |
Price and Value
| Aspect | Roomba i3 | Roomba i7 |
|---|---|---|
| Price Range | Budget-Friendly | Premium |
| Best For | General cleaning, budget-conscious buyers | Advanced cleaning, smart mapping |
The i3 is a more affordable option with robust cleaning power, while the i7 justifies its premium price with advanced navigation and mapping capabilities.
Final Verdict: Roomba i3 or i7?
- Choose the Roomba i3 if you’re looking for an affordable, reliable robot vacuum with strong cleaning performance. It’s ideal for homes without the need for advanced mapping or custom cleaning options.
- Choose the Roomba i7 if you value precision and customization. Its Smart Mapping and virtual boundaries make it perfect for homes with specific cleaning needs or multiple rooms requiring targeted cleaning.
Ultimately, both the i3 and i7 offer excellent cleaning performance, but the i7 shines when it comes to intelligence and control. The right choice depends on your budget and the level of smart functionality you need.