Polar Loop 2 vs. Withings Go vs. Samsung Galaxy Watch vs. Fitbit Charge vs. Garmin Vivofit 4

 
Loop 2
Go
Galaxy Watch
Charge
Vivofit 4
 PolarLoop 2Remove Buy NowWithingsGoRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$120$80$330$130$79.95
Release20152016201820142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)8 months7 days7-10 days1 year
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/aNA
Macn/an/a
Windowsn/an/a

Connectivity

Bluetoothn/a
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a360 x 360NA88 x 88
Sizen/an/a1.2 inches or 1.3 inchesNANA
Touchn/aNA
TypeLEDE-InkAMOLEDOLEDNA

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM5 ATM1 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aTizen OSNA
Appsn/a
MusicSpotify

All Wearables