Casio G-Shock GBA800 vs. Samsung Gear 2 vs. Polar Loop vs. Fitbit Versa 2 vs. Amazfit T-Rex

 
G-Shock GBA800
Gear 2
Loop
Versa 2
T-Rex
 CasioG-Shock GBA800Remove Buy NowSamsungGear 2Remove Buy NowPolarLoopRemove Buy NowFitbitVersa 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$300$100$199$140
Release20182014201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration2 years2-3 days5 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA300 x 300360 x 360
Size1.63 inchesNA1.34 inches1.3 inches
Touch
TypeSuper AMOLEDLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATMIP672 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizen OSNABuild-inBuild-in
Apps
Music

All Wearables