Apple Watch Series 3 vs. Polar M400 vs. Garmin Fenix 5X vs. Sony SmartBand vs. Amazfit GTR

 
Watch Series 3
M400
Fenix 5X
SmartBand
GTR
 AppleWatch Series 3Remove Buy NowPolarM400Remove Buy NowGarminFenix 5XRemove Buy NowSonySmartBandRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$329$200$699$100$199
Release20172014201720142019

Activity & Fitness

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

Battery

Duration18 hours8 hours to 30 daysUp to 12 days5 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution340 x 272 or 390 x 312n/a240 x240NA454 x 454
Size1.5 inches or 1.65 inchesn/a1.2 inchesNA1.39 inches
TouchNA
TypeAMOLEDn/aNANAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM10 ATMIP585 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNABuild-in
Apps
Music

All Wearables