Polar Loop 2 vs. Garmin Fenix 5X vs. Jawbone UP2 vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Loop 2
Fenix 5X
UP2
T-Rex
VivoActive 4
 PolarLoop 2Remove Buy NowGarminFenix 5XRemove Buy NowJawboneUP2Remove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$120$699$100$140$349
Release20152017201520192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 12 days7 days20 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x240NA360 x 360260 x 260
Sizen/a1.2 inchesNA1.3 inches1.3ionches
TouchNA
TypeLEDNANAAMOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM10 ATMSplash resistant5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-inWear OS
Apps
Music

All Wearables