Polar M400 vs. Sony SmartBand 2 vs. Garmin 645 Music vs. Pebble Time 2 vs. Misfit Vapor 2

 
M400
SmartBand 2
645 Music
Time 2
Vapor 2
 PolarM400Remove Buy NowSonySmartBand 2Remove Buy NowGarmin645 MusicRemove Buy NowPebbleTime 2Remove Buy NowMisfitVapor 2Remove Buy Now

Basic Info

Suggested Price$200$130$450$199$250
Release20142015201820162018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days7 days10 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a240 x 240NA454 x 454
Sizen/an/a1.2 inchesNA1.42 inches
Touchn/a
Typen/an/aMIPe-paperAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP585 ATM3 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aPebble OSWear OS
Apps
Music

All Wearables