Garmin Forerunner 225 vs. Fitbit Alta vs. Amazfit Cor vs. Garmin Vivosmart 4 vs. Apple Series 6

 
Forerunner 225
Alta
Cor
Vivosmart 4
Series 6
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowAmazfitCorRemove Buy NowGarminVivosmart 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$300$130$79.99$130$399
Release20152016201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days12 days7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a80 x 16048 x 128384 x 480
Size1 inchn/a1.23 inches0.74 inches40mm
Touchn/a
Typen/aOLEDIPS LCDOLEDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMn/a5 ATM5 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/aWatchOS 5
Appsn/a
Musicn/a

All Wearables