Fitbit Flex 2 vs. Garmin 645 Music vs. Fitbit Alta HR vs. Pebble Core vs. Fossil Gen 5 Smartwatch Carlyle

 
Flex 2
645 Music
Alta HR
Core
Gen 5 Smartwatch Carlyle
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitAlta HRRemove Buy NowPebbleCoreRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$100$450$150$99$295
Release20162018201720162019

Activity & Fitness

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

Battery

Duration5 days7 days7 daysNA1 day
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240128 x 36NA328 x 328
Sizen/a1.2 inches1.4 inchesNA1.3 inches
Touchn/aNA
TypeLEDMIPOLEDNAAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNA3 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNAWear OS
Apps
Music

All Wearables