Polar M400 vs. Samsung Gear S2 vs. Skagen Falster 2 vs. Mobvoi TicWatch C2 vs. Xiaomi Mi Band 4

 
M400
Gear S2
Falster 2
TicWatch C2
Mi Band 4
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowSkagenFalster 2Remove Buy NowMobvoiTicWatch C2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$200$300$199$200$25
Release20142015201920182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 days1 day2 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360320 x 320360 x 360120x240
Sizen/a1.2 inches1.19 inches1.3 inches0.95 inches
Touch
Typen/aSuper AMOLEDOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP683 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWear OSWear OSAMAZFIT OS
Apps
Music

All Wearables