Apple Watch Series 3 vs. Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Garmin Fenix 5x Plus vs. Fitbit Flex

 
Watch Series 3
Moto 360 (2nd Gen)
M400
Fenix 5x Plus
Flex
 AppleWatch Series 3Remove Buy NowMotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$329$300$200$850$100
Release20172015201420182013

Activity & Fitness

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

Battery

Duration18 hours1.5 days8 hours to 30 days20 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312360 x 325 or 360 x 330n/a240 x 240NA
Size1.5 inches or 1.65 inches1.37 inches or 1.56 inchesn/a1.2 inchesNA
TouchNA
TypeAMOLEDLCDn/aMIPLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP673 ATM10 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android Wearn/aWear OSNA
Apps
Musicn/a

All Wearables