Image of a Watch Series 3
Image of a Vivoactive HR
Image of a G-Shock GBA800
Image of a Charge 3
Image of a Alta HR
 AppleWatch Series 3Remove Buy NowGarminVivoactive HRRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge 3Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$250$120$150$150
Release20172016201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours13 hours to 8 days2 years7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312148 x 20566 x 18128 x 36
Size1.5 inches or 1.65 inches1.38 inches.721 inches1.4 inches
Touch
TypeAMOLEDn/aOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNA
Apps
Music

All Wearables