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iRobot Roomba i7 vs iRobot Roomba i3

Side-by-Side Comparison

    Top
    Main Differences
    Design
      Build QualityUser MaintenanceRecurring CostDimensionsInternal Dirt CompartmentStation Maintenance CapabilitiesIn The BoxBatteryQuality-Of-Life FeaturesBrushroll And Tools
    Performance
      Hard Floor PickupHigh-Pile Carpet PickupLow-Pile Carpet PickupPet Hair PickupAirflowNoiseHousehold AdaptabilityObstacle AvoidanceHeight ClearanceThreshold ClearanceAir QualityCracksStainsWater
    Automation
      Physical AutomationCompanion App Automation
    To Be Deleted
    Comments

Products

iRobot Roomba i7
iRobot Roomba i3

Tested using Methodology v1.0

Updated Jun 04, 2025 09:50 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.0

Updated Jun 25, 2025 01:42 PM

SEE PRICE
Amazon.com
iRobot Roomba i7 Picture
iRobot Roomba i3 Picture
Wet Compatible
No
Lowest Height Cleared
9.5 cm (3.7'')
Obstacle Avoidance Technology
Light-Based
Max Threshold Height
1.9 cm (0.7")
Anti-Allergy Filter (HEPA)
Yes
Wet Compatible
No
Lowest Height Cleared
9.5 cm (3.7'')
Obstacle Avoidance Technology
Light-Based
Max Threshold Height
1.9 cm (0.7")
Anti-Allergy Filter (HEPA)
Yes
  1. Recommended in 1 article:
  2. iRobot

Our Verdict

iRobot Roomba i7

iRobot Roomba i3

The iRobot Roomba i7 is a slightly better vacuum than the iRobot Roomba i3. The i7 has better sensors and more automation choices in the app, but these two models perform pretty similarly.

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Variants

  • Roomba i7+ (Black)
  • Roomba i7 (Black)
  • Roomba i3+ EVO (Woven Neutral)
  • Roomba i3 EVO (Woven Neutral)

Review

See iRobot Roomba i7 Review
See iRobot Roomba i3 Review
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Check Price

Black
Roomba i7+
Searching
Finding store
Woven Neutral
Roomba i3+ EVO
Searching
Finding store
Black
Roomba i7
Searching
Finding store
Woven Neutral
Roomba i3 EVO
Searching
Finding store

Main Differences for
Multi-Surface Household

Threshold 

0.10

Multi-Surface Household 

6.2
6.4
No major differences between these robot vacuums for multi-surface household. See full list of tests below.

Full Comparison

Design

Build Quality 
 

8.0
8.0

Build Quality Picture  

iRobot Roomba i7 Build Quality Picture
iRobot Roomba i3 Build Quality Picture

Vacuum & Mop Combo 
 

No
No
Show Text 

User Maintenance 
 

7.5
7.5

Maintenance Picture  

iRobot Roomba i7 Maintenance Picture
iRobot Roomba i3 Maintenance Picture

Brushroll Cleaning Video  

Show Text 

Recurring Cost 
 

3.0
3.0

Recurring Cost Picture  

iRobot Roomba i7 Recurring Cost Picture
iRobot Roomba i3 Recurring Cost Picture

Bag Part Number  

4640235
4640235

Filter Part Number  

4639161
4639161

HEPA Filter Part Number  

4639161
4639161
Show Text 

Dimensions 
 

Robot Vacuum Dimensions  

iRobot Roomba i7 Robot Vacuum Dimensions
iRobot Roomba i3 Robot Vacuum Dimensions

Robot Vacuum Height  

9.1 cm (3.6")
9.4 cm (3.7")

Robot Vacuum Width  

33.9 cm (13.3")
33.9 cm (13.3")

Robot Vacuum Depth  

34.1 cm (13.4")
34.3 cm (13.5")

Docking Station Dimensions  

iRobot Roomba i7 Docking Station Dimensions
iRobot Roomba i3 Docking Station Dimensions

Docking Station Height  

48.4 cm (19.1")
48.4 cm (19.1")

Docking Station Width  

31.1 cm (12.2")
31.1 cm (12.2")

Docking Station Depth  

38.9 cm (15.3")
38.9 cm (15.3")
Show Text 

Internal Dirt Compartment 
 

6.1
6.1

Dirt Compartment Photo  

iRobot Roomba i7 Dirt Compartment Photo
iRobot Roomba i3 Dirt Compartment Photo

Dirt Compartment Capacity 
 

0.25 L
0.25 L

Full Indicator 
 

Yes
Yes
Show Text 

Station Maintenance Capabilities 
 

6.4
6.4

Station Photo  

iRobot Roomba i7 Station Photo
iRobot Roomba i3 Station Photo

Auto Empty 
 

Yes
Yes

Bagless Station 
 

No
No

Dirt Compartment Capacity 
 

2.40 L
2.40 L

Automatic Tank Refill 
 

No
No

Mop Washing 
 

No
No

Mop Drying 
 

No
No
Show Text 

In The Box 
 

In The Box Picture  

iRobot Roomba i7 In The Box Picture
iRobot Roomba i3 In The Box Picture
Show Text 

Battery 
 

8.7
8.9

Minimum Battery Life 
 

74 min
87 min

Maximum Battery Life 
 

74 min
87 min

Recharge Time 
 

87 min
94 min

Removable Batteries 
 

Yes
Yes
Show Text 

Quality-Of-Life Features 
 

Picture Of Controls  

iRobot Roomba i7 Picture Of Controls
iRobot Roomba i3 Picture Of Controls

Power Adjustment 
 

No
No

Easy On/Off 
 

Yes
Yes

Surface Type Adjustment 
 

Only Automatic
Only Automatic
Show Text 

Brushroll And Tools 
 

Brushroll And Tools Photo  

iRobot Roomba i7 Brushroll And Tools Photo
iRobot Roomba i3 Brushroll And Tools Photo

Brushroll Setup 
 

Dual
Dual

Brushroll Type 
 

Rubber
Rubber

Side Brush Setup 
 

Single
Single

Side Brush Type 
 

Fixed
Fixed
Performance

Hard Floor Pickup 
 

6.5
6.5

Hard Floor Pickup Video  

Hard Floor Pickup Post Test  

iRobot Roomba i7 Hard Floor Pickup Post Test
iRobot Roomba i3 Hard Floor Pickup Post Test
Show Text 

High-Pile Carpet Pickup 
 

7.0
7.5

High-Pile Carpet Pickup Video  

High-Pile Carpet Pickup Post Test  

iRobot Roomba i7 High-Pile Carpet Pickup Post Test
iRobot Roomba i3 High-Pile Carpet Pickup Post Test
Show Text 

Low-Pile Carpet Pickup 
 

7.0
7.0

Low-Pile Carpet Pickup Video  

Low-Pile Carpet Pickup Post Test  

iRobot Roomba i7 Low-Pile Carpet Pickup Post Test
iRobot Roomba i3 Low-Pile Carpet Pickup Post Test
Show Text 

Pet Hair Pickup 
 

7.5
8.0

Pet Hair Pickup Video  

Pet Hair Pickup Post Test  

iRobot Roomba i7 Pet Hair Pickup Post Test
iRobot Roomba i3 Pet Hair Pickup Post Test
Show Text 

Airflow 
 

4.3
5.7

Maximum Airflow Video  

Maximum Head Airflow 
 

3.1 CFM (0.1 m³/min)
5.8 CFM (0.2 m³/min)
Show Text 

Noise 
 

7.2
7.6

Noise Video 
 

Bare Floor 
 

63.9 dBA
63.8 dBA

Low-Pile Carpet 
 

65.2 dBA
59.5 dBA
Show Text 

Household Adaptability 
 

8.0
8.0

Household Adaptability  

Show Text 

Obstacle Avoidance 
 

3.5
3.5

Obstacle Avoidance Technology 
 

Light-Based
Light-Based

Object Recognition 
 

No
No

Obstacle Video  

Bare Floor: Avoidance Rate 
 

0%
0%

Bare Floor: Intervention Rate 
 

20%
20%

Carpet: Avoidance Rate 
 

0%
0%

Carpet: Intervention Rate 
 

25%
25%

Always Avoided Pet Waste 
 

No
No

Height Clearance 
 

7.0
7.0

Height Clearance Video  

Lowest Height Cleared 
 

9.5 cm (3.7'')
9.5 cm (3.7'')

Threshold Clearance 
 

7.0
7.0

Low Threshold Video  

High Threshold Video  

Max Threshold Height 
 

1.9 cm (0.7")
1.9 cm (0.7")

Air Quality 
 

Sealing Quality Video  

Anti-Allergy Filter (HEPA) 
 

Yes
Yes
Show Text 

Cracks 
 

4.5
4.5

Cracks Video  

Wood Cracks Post Test  

iRobot Roomba i7 Wood Cracks Post Test
iRobot Roomba i3 Wood Cracks Post Test
Show Text 

Stains 
 

1.0
1.0

Stain Video  

Stain Pickup Post Test  

iRobot Roomba i7 Stain Pickup Post Test
iRobot Roomba i3 Stain Pickup Post Test
Show Text 

Water 
 

0.0
0.0

Wet Compatible 
 

No
No

Water Video  

Water Pickup Post Test  

iRobot Roomba i7 Water Pickup Post Test
iRobot Roomba i3 Water Pickup Post Test
Show Text 
Automation

Physical Automation 
 

8.9
8.9

Recharge And Resume 
 

Yes
Yes

Pathing Algorithm 
 

Smart
Smart

Physical Boundary Markers 
 

Yes
No

Scheduled Start Buttons 
 

No
No

Cycle Control Buttons 
 

On-Board Only
On-Board Only

Navigation Control Buttons 
 

Return To Base Only
Return To Base Only
Show Text 

Companion App Automation 
 

8.0
8.0

Companion App Screen Grabs  

iRobot Roomba i7 Companion App Screen Grabs
iRobot Roomba i3 Companion App Screen Grabs

App Name 
 

iRobot HOME
iRobot HOME

Software Boundary Markers (No-Go Zones) 
 

Yes
No

App Scheduled Start 
 

Yes
Yes

App Cycle Control 
 

Yes
Yes

Navigation Control Within App 
 

No
No
Show Text 
To Be Deleted

Check Price

Black
Roomba i7+
Searching
Finding store
Woven Neutral
Roomba i3+ EVO
Searching
Finding store
Black
Roomba i7
Searching
Finding store
Woven Neutral
Roomba i3 EVO
Searching
Finding store
Back to Top

iRobot Roomba i7

iRobot Roomba i3

Comments

  1. Comparison
 • Posted 1 year ago

iRobot Roomba i7 vs iRobot Roomba i3: Main Discussion

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