Polar M600 vs. Sony SmartWatch 3 vs. Withings Activite Sapphire vs. Fitbit Charge 2

 
M600
SmartWatch 3
Activite Sapphire
Charge 2
 PolarM600Remove Buy NowSonySmartWatch 3Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitCharge 2Remove Buy Now

Basic Info

Suggested Price$330$250$450$150
Release2016201420142016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days8 months5 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 240320 x 320n/an/a
Size1.3 inches1.6 inches1.3 inchesn/a
Touchn/an/a
TypeTFTTFT LCDAnalogOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP685 ATMn/a

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wearn/an/a
Apps
Music

All Wearables