Garmin Forerunner 225 vs. Pebble Classic vs. Polar M400 vs. Amazfit Stratos vs. Garmin Vivosmart 4

 
Forerunner 225
Classic
M400
Stratos
Vivosmart 4
 GarminForerunner 225Remove Buy NowPebbleClassicRemove Buy NowPolarM400Remove Buy NowAmazfitStratosRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$300$99$200$199$130
Release20152013201420182018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks5-7 days8 hours to 30 days5 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180168 x 144n/a320 x 30048 x 128
Size1 inch1.26 inchesn/a1.34 inches0.74 inches
Touch
Typen/ae-papern/aOLEDOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aPebble OSn/aProprietary
Appsn/a
Musicn/a

All Wearables