Apple Watch Series 3 vs. Apple Watch Series 2 vs. Fitbit Alta HR vs. Pebble Core vs. Apple Watch Series 4

 
Watch Series 3
Watch Series 2
Alta HR
Core
Watch Series 4
 AppleWatch Series 3Remove Buy NowAppleWatch Series 2Remove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$329$269$150$99$329
Release20172016201720162018

Activity & Fitness

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

Battery

Duration18 hours18 hours7 daysNANot Yet
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312128 x 36NA384 x 480
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.4 inchesNA1.78 inches
TouchNA
TypeAMOLEDAMOLEDOLEDNAMicroLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATMNANot Yet

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4Watch OSNAWatch OS 5
Apps
Music

All Wearables