Polar M400 vs. Withings Activite Steel vs. Withings Go vs. Samsung Gear 2 vs. Garmin Vivosmart 4

 
M400
Activite Steel
Go
Gear 2
Vivosmart 4
 PolarM400Remove Buy NowWithingsActivite SteelRemove Buy NowWithingsGoRemove Buy NowSamsungGear 2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$170$80$300$130
Release20142015201620142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months8 months2-3 days7 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a320 x 32048 x 128
Sizen/a1.3 inchesn/a1.63 inches0.74 inches
Touchn/a
Typen/aAnalogE-InkSuper AMOLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aTizen OS
Appsn/a
Music

All Wearables