Polar Loop 2 vs. Jawbone UP4 vs. Polar Loop vs. Garmin Instinct vs. Amazfit T-Rex

 
Loop 2
UP4
Loop
Instinct
T-Rex
 PolarLoop 2Remove Buy NowJawboneUP4Remove Buy NowPolarLoopRemove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$200$100$300$140
Release20152015201320182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)NA5 days14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA128 x 128360 x 360
Sizen/aNANA0.9 inches1.3 inches
TouchNA
TypeLEDNALEDOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMNA2 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANABuild-in
Apps
MusicNA

All Wearables