Motorola Moto 360 (2nd Gen) vs. Polar M600 vs. Withings Activite Sapphire vs. Withings Activite Steel vs. Xiaomi Mi Band 4

 
Moto 360 (2nd Gen)
M600
Activite Sapphire
Activite Steel
Mi Band 4
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowWithingsActivite SteelRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$300$330$450$170$25
Release20152016201420152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days2 days8 months8 months20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/an/a
Macn/an/an/a
Windowsn/an/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330240 x 240n/an/a120x240
Size1.37 inches or 1.56 inches1.3 inches1.3 inches1.3 inches0.95 inches
Touchn/a
TypeLCDTFTAnalogAnalogAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IPX85 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wearn/an/aAMAZFIT OS
Apps
Musicn/a

All Wearables