Polar M600 vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Fitbit Flex vs. Pebble Core

 
M600
Forerunner 935
645 Music
Flex
Core
 PolarM600Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$330$500$450$100$99
Release20162017201820132016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration2 daysUp to 2 weeks7 days5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240240 x 240NANA
Size1.3 inches1.2 inches1.2 inchesNANA
Touchn/aNANA
TypeTFTLCDMIPLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid WearNANA
Apps
Music

All Wearables