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

 
Watch Series 3
Fenix 3
Vivofit 3
Vivosmart HR
T-Rex
 AppleWatch Series 3Remove Buy NowGarminFenix 3Remove Buy NowGarminVivofit 3Remove Buy NowGarminVivosmart HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$329$500$100$170$140
Release20172015201620152019

Activity & Fitness

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

Battery

Duration18 hours50 hours to 6 weeks1 year5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312218 x 21864 x 64160 x 68360 x 360
Size1.5 inches or 1.65 inches1.2 inches0.55 inches1.08 inches1.3 inches
Touch
TypeAMOLEDChroma LEDn/an/aAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/an/aBuild-in
Apps
Music

All Wearables