iRobot Roomba 981 vs Lefant M501B

Cleaning

iRobot Roomba 981Lefant M501B
Cleaning typeDryDry
Suction powern/a

2000 Pa

Cleaning area

185 m²

150 m²

Number of side brushes

1 piece(s)

2 piece(s)

Overcoming the thresholds

up to 2 cm

up to 2 cm

Self cleaning baseNon/a
Noise level

61 dB

50 dB

Turbo brushYesYes
Usage AreaHard Floor+CarpetHard Floor+Carpet
Power

33 W

20 W

Keep Out ZonesVacuumn/a
Cleaning zone limiterVirtual Walln/a
Climbing Threshold

20 mm

n/a
Wet MoppingNoNo
Vibrating mopping padNoNo
Cleaning time calculationNoNo
Point Cleaningn/aYes
3-Point Cleaning SystemYesn/a
Cleaning Brushn/aYes
Edge CleaningYesYes
Effective on Animal Hairn/aYes
Bump PreventionYesYes
SPOT ModeYesYes

Technical specifications

iRobot Roomba 981Lefant M501B
Product TypeRobot VacuumRobot Vacuum
Wi-fiYesYes
Weekly ScheduleYesn/a
Voice Announcementsn/aYes
Modes

3 mode(s)

3 mode(s)

Time SchedulingYesn/a

Navigation

iRobot Roomba 981Lefant M501B
MappingYesNo
Smart NavigationYesn/a
Manual robot control (from the app)YesYes
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 981Lefant M501B
Voice promptsYesYes
Voice Assistant Support
  • Amazon Alexa
  • Google Home
Amazon Alexa
Scheduled cleaningYesYes
Manual control (from the button on the vacuum cleaner)YesYes
Control from smartphoneYesYes
Remote controlNoYes
Suction Controln/a
  • Automatic
  • By IR Remote Control

Integration with cloud services

iRobot Roomba 981Lefant M501B
Amazon AlexaYesYes
Google HomeYesYes
Samsung SmartThingsNoNo
Xiaomi Mi HomeNoNo

Sensors

iRobot Roomba 981Lefant M501B
Number of Sensors

42 piece(s)

n/a
Carpet detectionNoNo
Dirt detectionYesNo
Cliff SensorYesYes

Battery

iRobot Roomba 981Lefant M501B
Battery typeLi-ionLi-ion
Battery Capacity

3300 mAh

2600 mAh

Battery life up to

75 min

120 min

Charging time

3 Hours

5 Hours

Auto RechargeYesYes

Bin

iRobot Roomba 981Lefant M501B
Dustbin Capacity

600 ml

600 ml

Bin StationNoNo
Dust collector filling indicatorYesNo

Filters

iRobot Roomba 981Lefant M501B
HEPA Filtern/aYes
Cyclone FilterNoNo
Other FiltersAeroForcen/a

Dimensions and equipment

iRobot Roomba 981Lefant M501B
Width

351 mm

320 mm

Height

92 mm

82 mm

Depth

351 mm

320 mm

Weight

4 kg

2 kg

ColorGreyBlack
Included Equipment
  • 1 Roomba® 981 Robot Vacuum
  • 1 Home Base® Charging Station
  • M501-B robot vacuum
  • LCD remote control (2 AAA batteries included)
  • charging base
  • AC power adapter
  • cleaning tool
  • 2 sets of high-performance filters
  • 2 filter sponge
  • 4 side brushes
  • user manual
Additionally
  • Error Detection
  • iAdapt Navigation
  • Anti Tangle
n/a

Lefant M501B