iRobot Roomba 770 vs iRobot Roomba 981

Cleaning

iRobot Roomba 770iRobot Roomba 981
Cleaning typeDryDry
Cleaning area

80 m²

185 m²

Number of side brushes

1 piece(s)

1 piece(s)

Overcoming the thresholds

up to 1.6 cm

up to 2 cm

Self cleaning baseNoNo
Noise level

70 dB

61 dB

Turbo brushYesYes
Usage AreaHard Floor+CarpetHard Floor+Carpet
Power

30 W

33 W

Keep Out ZonesVacuumVacuum
Cleaning zone limiterVirtual WallVirtual Wall
Climbing Threshold

15 mm

20 mm

Wet MoppingNoNo
Vibrating mopping padNoNo
Cleaning time calculationNoNo
3-Point Cleaning SystemYesYes
Edge Cleaningn/aYes
Bump PreventionYesYes
SPOT ModeYesYes

Technical specifications

iRobot Roomba 770iRobot Roomba 981
Product TypeRobot VacuumRobot Vacuum
Wi-fiYesYes
Weekly ScheduleYesYes
Voice AnnouncementsNon/a
Modes

3 mode(s)

3 mode(s)

Time SchedulingYesYes

Navigation

iRobot Roomba 770iRobot Roomba 981
MappingNoYes
Mapping TypeNonen/a
Smart NavigationYesYes
Manual robot control (from the app)NoYes
Selective Room CleaningNoNo
Setting the suction power and water level for each roomNoNo
Storing multiple cleaning maps in memory (cleaning multiple floors)NoNo

Control

iRobot Roomba 770iRobot Roomba 981
Voice promptsYesYes
Voice Assistant Supportn/a
  • Amazon Alexa
  • Google Home
Scheduled cleaningn/aYes
Manual control (from the button on the vacuum cleaner)YesYes
Control from smartphoneNoYes
Remote controlYesNo

Integration with cloud services

iRobot Roomba 770iRobot Roomba 981
Amazon AlexaNoYes
Google HomeNoYes
Samsung SmartThingsNoNo
Xiaomi Mi HomeNoNo

Sensors

iRobot Roomba 770iRobot Roomba 981
Number of Sensorsn/a

42 piece(s)

Carpet detectionNoNo
Dirt detectionYesYes
Cliff SensorYesYes

Battery

iRobot Roomba 770iRobot Roomba 981
Battery typeNiMHLi-ion
Battery Capacity

3000 mAh

3300 mAh

Battery life up to

90 min

75 min

Charging time

3 Hours

3 Hours

Auto RechargeYesYes

Bin

iRobot Roomba 770iRobot Roomba 981
Dustbin Capacity

260 ml

600 ml

Bin StationNoNo
Dust collector filling indicatorYesYes

Filters

iRobot Roomba 770iRobot Roomba 981
HEPA FilterYesn/a
Cyclone FilterNoNo
Other Filtersn/aAeroForce

Dimensions and equipment

iRobot Roomba 770iRobot Roomba 981
Width

350 mm

351 mm

Height

94 mm

92 mm

Depth

350 mm

351 mm

Weight

3.8 kg

4 kg

ColorBlackGrey
Included Equipment
  • Roomba 770
  • rechargeable battery, charger, charging base
  • cleaning accessories
  • virtual wall - 1 pc
  • additional HEPA filters - 2 pcs
  • remote control
  • 1 Roomba® 981 Robot Vacuum
  • 1 Home Base® Charging Station
Additionally
  • iAdapt Navigation
  • Error Detection
  • iAdapt Navigation
  • Anti Tangle