Fitbit Alta vs. Amazfit Stratos vs. Amazfit Cor vs. Garmin 645 Music vs. Fitbit Charge

 
Alta
Stratos
Cor
645 Music
Charge
 FitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$130$199$79.99$450$130
Release20162018201820182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days12 days7 days7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 30080 x 160240 x 240NA
Sizen/a1.34 inches1.23 inches1.2 inchesNA
Touchn/aNA
TypeOLEDOLEDIPS LCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryNA
Apps
Music

All Wearables