Fitbit Flex 2 vs. Apple Watch vs. Casio G-Shock GBA800 vs. Pebble Core vs. Garmin Vivosmart 4

 
Flex 2
Watch
G-Shock GBA800
Core
Vivosmart 4
 FitbitFlex 2Remove Buy NowAppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleCoreRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$349$120$99$130
Release20162015201820162018

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days18 hours2 yearsNA7 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312NA48 x 128
Sizen/a1.5 inches or 1.65 inchesNA0.74 inches
Touchn/aNA
TypeLEDAMOLEDNAOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX720 ATMNA5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSNA
Apps
Music

All Wearables