Polar M600 vs. Withings Activite Sapphire vs. Fitbit Charge 2 vs. Polar Loop 2 vs. Amazfit Cor

 
M600
Activite Sapphire
Charge 2
Loop 2
Cor
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy NowPolarLoop 2Remove Buy NowAmazfitCorRemove Buy Now

Basic Info

Suggested Price$330$450$150$120$79.99
Release20162014201620152018

Activity & Fitness

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

Battery

Duration2 days8 months5 days8 days (without notifications)12 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/an/an/a80 x 160
Size1.3 inches1.3 inchesn/an/a1.23 inches
Touchn/an/a
TypeTFTAnalogOLEDLEDIPS LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMn/a2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/an/a
Apps
Music

All Wearables