Polar Loop 2 vs. Apple Watch vs. Casio G-Shock GBA800 vs. Garmin Fenix 5X vs. Amazfit T-Rex

 
Loop 2
Watch
G-Shock GBA800
Fenix 5X
T-Rex
 PolarLoop 2Remove Buy NowAppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarminFenix 5XRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$349$120$699$140
Release20152015201820172019

Activity & Fitness

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

Battery

Duration8 days (without notifications)18 hours2 yearsUp to 12 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x240360 x 360
Sizen/a1.5 inches or 1.65 inches1.2 inches1.3 inches
Touch
TypeLEDAMOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIPX720 ATM10 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSBuild-in
Apps
Music

All Wearables