Polar Loop 2 vs. Garmin Fenix 5X vs. Fitbit Flex vs. Fitbit Versa 2 vs. Amazfit T-Rex

 
Loop 2
Fenix 5X
Flex
Versa 2
T-Rex
 PolarLoop 2Remove Buy NowGarminFenix 5XRemove Buy NowFitbitFlexRemove Buy NowFitbitVersa 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$699$100$199$140
Release20152017201320192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 12 days5 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x240NA300 x 300360 x 360
Sizen/a1.2 inchesNA1.34 inches1.3 inches
TouchNA
TypeLEDNALEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM10 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-inBuild-in
Apps
Music

All Wearables