TomTom Adventurer vs. Polar Loop 2 vs. Fitbit Charge HR vs. Garmin Vivosmart 4 vs. Amazfit GTR

 
Adventurer
Loop 2
Charge HR
Vivosmart 4
GTR
 TomTomAdventurerRemove Buy NowPolarLoop 2Remove Buy NowFitbitCharge HRRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$350$120$150$130$199
Release20162015201520182019

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)5 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA48 x 128454 x 454
Sizen/an/aNA0.74 inches1.39 inches
TouchNA
Typen/aLEDOLEDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables