Polar Loop 2 vs. Samsung Galaxy Watch vs. Samsung Gear Sport vs. Fitbit Flex vs. Amazfit GTR

 
Loop 2
Galaxy Watch
Gear Sport
Flex
GTR
 PolarLoop 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowSamsungGear SportRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$120$330$299.99$100$199
Release20152018201720132019

Activity & Fitness

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

Battery

Duration8 days (without notifications)7 days2 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360360 x 360NA454 x 454
Sizen/a1.2 inches or 1.3 inches1.2 inchesNA1.39 inches
TouchNA
TypeLEDAMOLEDSuper AMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSTizen OSNABuild-in
Apps
MusicSpotify

All Wearables