Polar M400 vs. Withings Activite Steel vs. Casio G-Shock GBA800 vs. Samsung Gear 2 vs. Garmin Vivosmart 4

 
M400
Activite Steel
G-Shock GBA800
Gear 2
Vivosmart 4
 PolarM400Remove Buy NowWithingsActivite SteelRemove Buy NowCasioG-Shock GBA800Remove Buy NowSamsungGear 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$170$120$300$130
Release20142015201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months2 years2-3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 32048 x 128
Sizen/a1.3 inches1.63 inches0.74 inches
Touch
Typen/aAnalogSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM20 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OS
Apps
Music

All Wearables