Samsung Gear S2 vs. Garmin Forerunner 935 vs. Casio G-Shock GBA800 vs. Pebble Core vs. Amazfit T-Rex

 
Gear S2
Forerunner 935
G-Shock GBA800
Core
T-Rex
 SamsungGear S2Remove Buy NowGarminForerunner 935Remove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleCoreRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$500$120$99$140
Release20152017201820162019

Activity & Fitness

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

Battery

Duration2-3 daysUp to 2 weeks2 yearsNA20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360240 x 240NA360 x 360
Size1.2 inches1.2 inchesNA1.3 inches
TouchNA
TypeSuper AMOLEDLCDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM20 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemTizenNABuild-in
Apps
Music

All Wearables