Garmin 645 Music vs. Garmin Chronos vs. Fitbit Flex vs. Jawbone UP2 vs. Garmin Vivosmart 4

 
645 Music
Chronos
Flex
UP2
Vivosmart 4
 Garmin645 MusicRemove Buy NowGarminChronosRemove Buy NowFitbitFlexRemove Buy NowJawboneUP2Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$450$1500$100$100$130
Release20182018201320152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days8 days5 days7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240218 x 218NANA48 x 128
Size1.2 inches1.2 inchesNANA0.74 inches
TouchNANA
TypeMIPMIPLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATM1 ATMSplash resistant5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSNANA
Apps
Music

All Wearables