iRobot Roomba S9 vs iRobot Roomba i3

Cleaning

iRobot Roomba S9iRobot Roomba i3
Cleaning typeDryDry
Suction power

2200 Pa

1700 Pa

Cleaning area

200 m²

170 m²

Number of side brushes

1 piece(s)

1 piece(s)

Overcoming the thresholds

up to 2 cm

up to 2 cm

Self cleaning baseYesYes, sold separately
Noise level

62 dB

68 dB

Turbo brushYesYes
Usage AreaHard Floor+CarpetHard Floor+Carpet
Powern/a

26 W

Keep Out ZonesVacuumn/a
Cleaning zone limiterMobile ApplicationVirtual wall
Climbing Threshold

20 mm

20 mm

Wet Moppingn/aNo
Vibrating mopping padNoNo
Cleaning time calculationYesNo
3-Point Cleaning SystemYesYes
Edge CleaningYesYes
Effective on Animal Hairn/aYes
Bump Preventionn/aYes
SPOT ModeYesYes

Technical specifications

iRobot Roomba S9iRobot Roomba i3
Product TypeRobot VacuumRobot Vacuum
Wi-fiYesYes
Time SchedulingYesYes

Navigation

iRobot Roomba S9iRobot Roomba i3
MappingYesNo
Mapping TypeVSLAMn/a
Smart NavigationYesn/a
Manual robot control (from the app)YesYes
Gyro Navigationn/aYes
Selective Room CleaningYesYes
Setting the suction power and water level for each roomNoNo
Storing multiple cleaning maps in memory (cleaning multiple floors)YesNo

Control

iRobot Roomba S9iRobot Roomba i3
Voice promptsYesYes
Voice Assistant Support
  • Amazon Alexa
  • Google Assistant
  • Amazon Alexa
  • Google Assistant
Scheduled cleaningYesYes
Manual control (from the button on the vacuum cleaner)NoYes
Control from smartphoneYesYes
Remote controlNoNo

Integration with cloud services

iRobot Roomba S9iRobot Roomba i3
Amazon AlexaYesYes
Google HomeYesYes
Samsung SmartThingsNoNo
Xiaomi Mi HomeNoNo

Sensors

iRobot Roomba S9iRobot Roomba i3
Carpet detectionNoNo
Dirt detectionYesYes
Cliff SensorYesYes

Battery

iRobot Roomba S9iRobot Roomba i3
Battery typeLi-ionLi-ion
Battery Capacity

3300 mAh

1800 mAh

Battery life up to

120 Minutes

90 Minutes

Charging time

3 Hours

2.5 Hours

Fast chargingNon/a
Battery Voltagen/a

14.4 V

Auto RechargeYesYes

Bin

iRobot Roomba S9iRobot Roomba i3
Dustbin Capacity

400 ml

390 ml

Bin StationNoNo
Dust collector filling indicatorYesYes
Washable DustbinYesYes

Filters

iRobot Roomba S9iRobot Roomba i3
Cyclone FilterNon/a
Other FiltersAeroForceAeroForce

Dimensions and equipment

iRobot Roomba S9iRobot Roomba i3
Width

311 mm

336 mm

Height

89 mm

92 mm

Depth

311 mm

336 mm

Weight

3.9 kg

3.3 kg

ColorGoldGrey
Included Equipment
  • robot vacuum
  • AC cord
  • charging dock
  • dual-mode virtual barrier
  • HEPA filter
  • extra side-brush
  • iRobot® Roomba® i3 Robot Vacuum
  • 1 Home Base® Charging Station
  • 1 Extra High-Efficiency Filter
Additionally
  • PerfectEdge Technology
  • Corner Cleaning
  • Error Detection
  • Anti-Allergen System
  • iAdapt Navigation
  • Anti Tangle
  • iAdapt Navigation
  • Anti Tangle
  • Solid Rubber Brush
  • Imprint Link Technology