Fitbit Alta vs. Garmin Fenix 5 vs. Garmin Fenix 5s vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
Alta
Fenix 5
Fenix 5s
Vivosmart 3
T-Rex
 FitbitAltaRemove Buy NowGarminFenix 5Remove Buy NowGarminFenix 5sRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$599.99$599.99$139.99$140
Release20162017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 WeeksUp to 9 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240218x 21864 x 128360 x 360
Sizen/a1.2 inches1.1 inchesNA1.3 inches
Touchn/a
TypeOLEDnanaOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a10 ATM10ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables