Polar Loop 2 vs. Garmin Forerunner 935 vs. Jawbone UP3 vs. Fitbit Versa 2 vs. Amazfit T-Rex

 
Loop 2
Forerunner 935
UP3
Versa 2
T-Rex
 PolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowJawboneUP3Remove Buy NowFitbitVersa 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$500$180$199$140
Release20152017201320192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 2 weeks7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240NA300 x 300360 x 360
Sizen/a1.2 inchesNA1.34 inches1.3 inches
TouchNA
TypeLEDLCDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMNA5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-inBuild-in
Apps
MusicNA

All Wearables