Polar M400 vs. Samsung Gear S vs. Casio WSD-F20A vs. Jawbone UP2 vs. Jawbone UP24

 
M400
Gear S
WSD-F20A
UP2
UP24
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowCasioWSD-F20ARemove Buy NowJawboneUP2Remove Buy NowJawboneUP24Remove Buy Now

Basic Info

Suggested Price$200$250$399$100$130
Release20142013201820152013

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a1 day7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360320 x 320NANA
Sizen/a2 inches1.32 inchesNANA
TouchNANA
Typen/aSuper AMOLEDLCDNANA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATMSplash resistantSplash Resistant

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenWear OSNANA
Apps
Music

All Wearables