iRobot Roomba 671 vs iRobot Roomba S9

Votes 1 1
Rating 5 5
iRobot Roomba 671
vs
iRobot Roomba S9

It makes sense comparing iRobot Roomba 671 vs iRobot Roomba S9 because they both are able to give some premium features. Based on our rating, Roomba 671 has the overall rating of 6.7 out of 10 versus 9 for Roomba S9.

Advantages iRobot Roomba 671 over iRobot Roomba S9

  • Lower noise level, 64 dB vs 70 dB
  • Larger dust bin capacity, 600 ml vs 400 ml
  • Less charging time, 2 hrs vs 4 hrs

Advantages iRobot Roomba S9 over iRobot Roomba 671

  • Better suction power, 2000 PA vs 1000 PA
  • A Virtual Wall creates an invisible barrier that Roomba S9 won't cross
  • Roomba S9 has mapping function that can map your area and uses smart path planning to clean more efficient
  • When you want to give your area an intense clean, intensive mode will increase suction power
  • Voice control
  • Better battery capacity, 3300 mAH vs 2600 mAH
  • Better battery life, 120 min vs 60 min

Common features and specifications

  • Both robot vacuums are Wi-Fi enabled
  • Dry cleaning mode
  • One side brush
  • Single room mode

Dimensions

A noticeable difference between two models is the size, which is 34 x 8.8/13.4 x 3.5 (D x H) cm/inches for the Roomba 671 and 30.9 x 8.8/12.2 x 3.5 (D x H) cm/inches for the Roomba S9. The weight of the Roomba 671 is 2.2/5 kg/lbs, and for the Roomba S9 it is 3.6/8.1 kg/lbs.

Robot vacuums comparison chart

Overall
iRobot Roomba 671
6.7
iRobot Roomba S9
9
8
9
6
10
7
9
6
8
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Common

Product

iRobot Roomba 671
iRobot Roomba S9

Model

Roomba 671
Roomba S9

Brand

iRobot
iRobot

Reviews

1088
128

Spesifications

Suction, pa

1000
2000

Noise level, dB

64
70

Wi-Fi

Display

Cleaning

Dry cleaning

Wet cleaning

Dust bin capacity, ml

600
400

Mop system

Features

Virtual wall

Boundary strips

Time scheduling function

Cleaning map

Other features

Visual Navigation, Dirt Detect
Visual Navigation

Surfaces

Hard floor

Hardwood flor

Thin carpet

Thick carpet

Filtration

Air filter

Washable filter

Brushes

Side brushes

1
1

Brush-roll

Cleaning modes

Auto

Spot

Edge

Single room

Intensive

Protection

Drop sensor protection

Anti-collision

Protective bumpers

Control

Remote control

App control

Voice control

Battery

Battery capacity, mAH

2600
3300

Battery life, min

60
120

Charging time, hrs

2
4

Auto charging

User manual

Manual

Dimensions

Dimensions (D x H), cm/inches

34 x 8.8/13.4 x 3.5
30.9 x 8.8/12.2 x 3.5

Weight, kg/lbs

2.2/5
3.6/8.1
iRobot Roomba 671
iRobot Roomba S9
iRobot Roomba 671
iRobot Roomba S9

Robot vacuums CompareVacuumcleaner comparison rating

  • better
  • worse
  • 6.7
  • 9
  • 6.7iRobot Roomba 671
  • 9iRobot Roomba S9

The iRobot Roomba S9 is better robot vacuums in this comparison. Check iRobot Roomba S9 price