Apple Watch Series 3 vs. Polar A360 vs. Amazfit Stratos vs. Garmin 645 Music vs. Garmin Fenix 5x Plus

 
Watch Series 3
A360
Stratos
645 Music
Fenix 5x Plus
 AppleWatch Series 3Remove Buy NowPolarA360Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5x PlusRemove Buy Now

Basic Info

Suggested Price$329$200$199$450$850
Release20172015201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours12 days5 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312160 x 80320 x 300240 x 240240 x 240
Size1.5 inches or 1.65 inches1.18 inches1.34 inches1.2 inches1.2 inches
Touch
TypeAMOLEDn/aOLEDMIPMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATM5 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aProprietaryWear OS
Apps
Music

All Wearables