Polar M400 vs. Amazfit Stratos vs. Garmin Fenix 5x Plus vs. Mobvoi TicWatch S vs. Fitbit Flex

 
M400
Stratos
Fenix 5x Plus
TicWatch S
Flex
 PolarM400Remove Buy NowAmazfitStratosRemove Buy NowGarminFenix 5x PlusRemove Buy NowMobvoiTicWatch SRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$200$199$850$199$100
Release20142018201820172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days20 days1.5-2 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300240 x 240400 x 400NA
Sizen/a1.34 inches1.2 inches1.4 inchesNA
TouchNA
Typen/aOLEDMIPOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM10 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryWear OSAndroid Wear 2.0NA
Apps
Music

All Wearables