Withings Activite Sapphire vs. Polar Loop 2 vs. Fitbit Charge vs. Garmin Vivofit 4 vs. Samsung Gear Fit2 Pro

 
Activite Sapphire
Loop 2
Charge
Vivofit 4
Gear Fit2 Pro
 WithingsActivite SapphireRemove Buy NowPolarLoop 2Remove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$450$120$130$79.95$199.99
Release20142015201420182017

Activity & Fitness

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

Battery

Duration8 months8 days (without notifications)7-10 days1 year2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA88 x 88216 x 432
Size1.3 inchesn/aNANA1.5 inches
TouchNA
TypeAnalogLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNATizen OS
Apps
Music

All Wearables