Pebble Classic vs. Polar M400 vs. Sony SmartWatch 3 vs. Garmin 645 Music vs. Fitbit Alta HR

 
Classic
M400
SmartWatch 3
645 Music
Alta HR
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$99$200$250$450$150
Release20132014201420182017

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days2 days7 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
Resolution168 x 144n/a320 x 320240 x 240128 x 36
Size1.26 inchesn/a1.6 inches1.2 inches1.4 inches
Touch
Typee-papern/aTFT LCDMIPOLED

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 Wear
Apps
Music

All Wearables