Polar Loop 2 vs. Garmin Fenix 5 vs. Microsoft Band vs. Garmin Vivosmart 4 vs. Amazfit T-Rex

 
Loop 2
Fenix 5
Band
Vivosmart 4
T-Rex
 PolarLoop 2Remove Buy NowGarminFenix 5Remove Buy NowMicrosoftBandRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$599.99$200$130$140
Release20152017201420182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)2 Weeks2 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 10648 x 128360 x 360
Sizen/a1.2 inches1.37 inches0.74 inches1.3 inches
Touch
TypeLEDnaCapacitative TFTOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM10 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-in
Apps
Music

All Wearables