Polar M400 vs. Apple Watch Series 2 vs. Garmin Fenix 5x Plus vs. Fitbit Flex vs. Mobvoi TicWatch e2

 
M400
Watch Series 2
Fenix 5x Plus
Flex
TicWatch e2
 PolarM400Remove Buy NowAppleWatch Series 2Remove Buy NowGarminFenix 5x PlusRemove Buy NowFitbitFlexRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$269$850$100$200
Release20142016201820132019

Activity & Fitness

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

Battery

Duration8 hours to 30 days18 hours20 days5 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312240 x 240NA360 x 360
Sizen/a1.5 inches or 1.65 inches1.2 inchesNA1.2 inches
TouchNA
Typen/aAMOLEDMIPLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5ATM10 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSNAWear OS
Apps
Music

All Wearables