Pebble Classic vs. Polar M400 vs. Sony SmartWatch 3 vs. Amazfit Stratos

 
Classic
M400
SmartWatch 3
Stratos
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowAmazfitStratosRemove Buy Now

Basic Info

Suggested Price$99$200$250$199
Release2013201420142018

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days2 days5 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
Resolution168 x 144n/a320 x 320320 x 300
Size1.26 inchesn/a1.6 inches1.34 inches
Touch
Typee-papern/aTFT LCDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearProprietary
Apps
Music

All Wearables