Garmin Vivoactive vs. Polar Loop 2 vs. Pebble Time 2 vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Vivoactive
Loop 2
Time 2
Vivosmart 4
T-Rex
 GarminVivoactiveRemove Buy NowPolarLoop 2Remove Buy NowPebbleTime 2Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$120$199$130$140
Release20152015201620182019

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 days (without notifications)10 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148n/aNA48 x 128360 x 360
Size1.38 inchesn/aNA0.74 inches1.3 inches
Touch
TypeLCDLEDe-paperOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OSBuild-in
Apps
Music

All Wearables