Garmin Vivoactive vs. Polar M400 vs. Amazfit Stratos vs. Samsung Gear 2 vs. Garmin VivoActive 4

 
Vivoactive
M400
Stratos
Gear 2
VivoActive 4
 GarminVivoactiveRemove Buy NowPolarM400Remove Buy NowAmazfitStratosRemove Buy NowSamsungGear 2Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$250$200$199$300$349
Release20152014201820142019

Activity & Fitness

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

Battery

Duration14 hours to 11 days8 hours to 30 days5 days2-3 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution205 x 148n/a320 x 300320 x 320260 x 260
Size1.38 inchesn/a1.34 inches1.63 inches1.3ionches
Touch
TypeLCDn/aOLEDSuper AMOLEDMIP

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aProprietaryTizen OSWear OS
Apps
Music

All Wearables