Garmin Vivoactive vs. Polar Loop 2 vs. Garmin Fenix 5X vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
Vivoactive
Loop 2
Fenix 5X
Forerunner 45
T-Rex
 GarminVivoactiveRemove Buy NowPolarLoop 2Remove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$120$699$199$140
Release20152015201720192019

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 days (without notifications)Up to 12 days7 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
Resolution205 x 148n/a240 x240208 x 208360 x 360
Size1.38 inchesn/a1.2 inches1.04 inches1.3 inches
Touch
TypeLCDLEDNALCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuilt-inBuild-in
Apps
Music

All Wearables