Fitbit Charge 2 vs. Garmin Vivosmart HR vs. Polar Loop 2 vs. Mobvoi TicWatch S2 vs. Amazfit GTR

 
Charge 2
Vivosmart HR
Loop 2
TicWatch S2
GTR
 FitbitCharge 2Remove Buy NowGarminVivosmart HRRemove Buy NowPolarLoop 2Remove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$170$120$180$199
Release20162015201520192019

Activity & Fitness

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

Battery

Duration5 days5 days8 days (without notifications)2 DAYS24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 68n/a400 x 400454 x 454
Sizen/a1.08 inchesn/a1.39 inches1.39 inches
Touchn/a
TypeOLEDn/aLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM2 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSBuild-in
Apps
Music

All Wearables