Apple Watch Series 3 vs. Polar M400 vs. Fossil Q Dreamer vs. Fitbit Charge 3 vs. Apple Watch Series 4

 
Watch Series 3
M400
Q Dreamer
Charge 3
Watch Series 4
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowFossilQ DreamerRemove Buy NowFitbitCharge 3Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$329$200$125$150$329
Release20172014201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours8 hours to 30 days7 days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/a66 x 18384 x 480
Size1.5 inches or 1.65 inchesn/an/a.721 inches1.78 inches
Touchn/a
TypeAMOLEDn/an/aOLEDMicroLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP675 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/an/aNAWatch OS 5
Apps
Music

All Wearables