Garmin Fenix 3 vs. Garmin Vivosmart HR vs. Apple Watch Series 2 vs. Garmin Chronos vs. Amazfit T-Rex

 
Fenix 3
Vivosmart HR
Watch Series 2
Chronos
T-Rex
 GarminFenix 3Remove Buy NowGarminVivosmart HRRemove Buy NowAppleWatch Series 2Remove Buy NowGarminChronosRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$500$170$269$1500$140
Release20152015201620182019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days18 hours8 days20 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 68340 x 272 or 390 x 312218 x 218360 x 360
Size1.2 inches1.08 inches1.5 inches or 1.65 inches1.2 inches1.3 inches
Touch
TypeChroma LEDn/aAMOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSWear OSBuild-in
Apps
Music

All Wearables