Polar Loop 2 vs. ASUS ZenWatch 3 vs. Garmin Fenix 5X vs. Fitbit Versa 2 vs. Amazfit T-Rex

 
Loop 2
ZenWatch 3
Fenix 5X
Versa 2
T-Rex
 PolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5XRemove Buy NowFitbitVersa 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$229$699$199$140
Release20152017201720192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hoursUp to 12 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400240 x240300 x 300360 x 360
Sizen/a1.39 inches1.2 inches1.34 inches1.3 inches
Touch
TypeLEDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Build-inBuild-in
Apps
Music

All Wearables