Garmin Vivoactive vs. Garmin Vivosmart HR vs. Fitbit Alta HR vs. Pebble Core vs. Amazfit T-Rex

 
Vivoactive
Vivosmart HR
Alta HR
Core
T-Rex
 GarminVivoactiveRemove Buy NowGarminVivosmart HRRemove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$170$150$99$140
Release20152015201720162019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration14 hours to 11 days5 days7 daysNA20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148160 x 68128 x 36NA360 x 360
Size1.38 inches1.08 inches1.4 inchesNA1.3 inches
TouchNA
TypeLCDn/aOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aNABuild-in
Apps
Music

All Wearables