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

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

Basic Info

Suggested Price$100$120$300$299.99$199
Release20122018201420172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration10-14 days2 years2-3 days2 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320360 x 360454 x 454
Sizen/a1.63 inches1.2 inches1.39 inches
Touch
TypeOLEDSuper AMOLEDSuper AMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant20 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSTizen OSBuild-in
Apps
Music

All Wearables