Fitbit Charge 2 vs. Fitbit Zip vs. Garmin 645 Music vs. Michael Kors Access Sofie vs. Amazfit GTR

 
Charge 2
Zip
645 Music
Access Sofie
GTR
 FitbitCharge 2Remove Buy NowFitbitZipRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$60$450$395$199
Release20162012201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 days1 day24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240390 x 390 1.19 inches454 x 454
Sizen/an/a1.2 inches1.39 inches
Touchn/aAMOLDED
TypeOLEDn/aMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplash Resistant5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Build-in
Apps
Music

All Wearables