Polar M400 vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Garmin Fenix 5x Plus vs. Mobvoi TicWatch S

 
M400
Flex 2
ZenWatch 3
Fenix 5x Plus
TicWatch S
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarminFenix 5x PlusRemove Buy NowMobvoiTicWatch SRemove Buy Now

Basic Info

Suggested Price$200$100$229$850$199
Release20142016201720182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days48 hours20 days1.5-2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400240 x 240400 x 400
Sizen/an/a1.39 inches1.2 inches1.4 inches
Touchn/a
Typen/aLEDAMOLEDMIPOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM10 ATMIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OSAndroid Wear 2.0
Apps
Music

All Wearables