Fitbit Flex 2 vs. Polar Loop 2 vs. ASUS ZenWatch 3 vs. Garmin 645 Music vs. Pebble Core

 
Flex 2
Loop 2
ZenWatch 3
645 Music
Core
 FitbitFlex 2Remove Buy NowPolarLoop 2Remove Buy NowASUSZenWatch 3Remove Buy NowGarmin645 MusicRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$100$120$229$450$99
Release20162015201720182016

Activity & Fitness

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

Battery

Duration5 days8 days (without notifications)48 hours7 daysNA
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400240 x 240NA
Sizen/an/a1.39 inches1.2 inchesNA
Touchn/aNA
TypeLEDLEDAMOLEDMIPNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM2 ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear 2NA
Apps
Music

All Wearables