Polar A360 vs. Casio G-Shock GBA800 vs. Pebble Core vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
A360
G-Shock GBA800
Core
Forerunner 45
T-Rex
 PolarA360Remove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleCoreRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$120$99$199$140
Release20152018201620192019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration12 days2 yearsNA7 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 80NA208 x 208360 x 360
Size1.18 inchesNA1.04 inches1.3 inches
TouchNA
Typen/aNALCDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR3020 ATMNA5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNABuilt-inBuild-in
Apps
Music

All Wearables