Fitbit One vs. Casio G-Shock GBA800 vs. Samsung Gear 2 vs. Amazfit GTR

 
One
G-Shock GBA800
Gear 2
GTR
 FitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowSamsungGear 2Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$120$300$199
Release2012201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration10-14 days2 years2-3 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320454 x 454
Sizen/a1.63 inches1.39 inches
Touch
TypeOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant20 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSBuild-in
Apps
Music

All Wearables