Amazfit Stratos vs. Garmin 645 Music vs. Michael Kors Access Sofie vs. Fitbit Alta HR vs. Fitbit Charge

 
Stratos
645 Music
Access Sofie
Alta HR
Charge
 AmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$199$450$395$150$130
Release20182018201720172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days1 day7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 300240 x 240390 x 390 1.19 inches128 x 36NA
Size1.34 inches1.2 inches1.4 inchesNA
TouchAMOLDEDNA
TypeOLEDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemProprietaryAndroid Wear 2.0NA
Apps
Music

All Wearables