Polar V800 vs. Casio WSD-F20A vs. Samsung Gear 2 vs. Michael Kors Access Runway vs. Xiaomi Mi Band 4

 
V800
WSD-F20A
Gear 2
Access Runway
Mi Band 4
 PolarV800Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungGear 2Remove Buy NowMichael KorsAccess RunwayRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$470$399$300$350$25
Release20142018201420182019

Activity & Fitness

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

Battery

Duration13 hours to 30 days1 day2-3 days1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 320390 x 390120x240
Sizen/a1.32 inches1.63 inches1.19 inches0.95 inches
Touch
Typen/aLCDSuper AMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP673 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSTizen OSWear OSAMAZFIT OS
Apps
Music

All Wearables