Garmin Fenix 3 vs. Garmin Vivosmart HR vs. Garmin 645 Music vs. Mobvoi TicWatch e2 vs. Amazfit GTR

 
Fenix 3
Vivosmart HR
645 Music
TicWatch e2
GTR
 GarminFenix 3Remove Buy NowGarminVivosmart HRRemove Buy NowGarmin645 MusicRemove Buy NowMobvoiTicWatch e2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$500$170$450$200$199
Release20152015201820192019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days7 days1 day24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218160 x 68240 x 240360 x 360454 x 454
Size1.2 inches1.08 inches1.2 inches1.2 inches1.39 inches
Touch
TypeChroma LEDn/aMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables