Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Pebble Core vs. Xiaomi Mi Band 3 vs. Xiaomi Mi Band 4

 
Moto 360 (2nd Gen)
M400
Core
Mi Band 3
Mi Band 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowPebbleCoreRemove Buy NowXiaomiMi Band 3Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$300$200$99$44.95$25
Release20152014201620182019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heartn/a
Oxygen
SleepNA
Steps
Swim

Battery

Duration1.5 days8 hours to 30 daysNA20 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/aNA128 x 80120x240
Size1.37 inches or 1.56 inchesn/aNA0.78 inches0.95 inches
TouchNA
TypeLCDn/aNAOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMNA5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aNAAMAZFIT OS
Apps
Musicn/a

All Wearables