Amazfit Stratos vs. Casio G-Shock GBA800 vs. Pebble Time 2 vs. Fitbit Alta HR vs. Fitbit Charge 3

 
Stratos
G-Shock GBA800
Time 2
Alta HR
Charge 3
 AmazfitStratosRemove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleTime 2Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$199$120$199$150$150
Release20182018201620172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years10 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNANot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 300NA128 x 3666 x 18
Size1.34 inchesNA1.4 inches.721 inches
Touch
TypeOLEDe-paperOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryPebble OSNA
Apps
Music

All Wearables