Garmin Forerunner 225 vs. Fitbit Ionic vs. Garmin 645 Music vs. Samsung Gear 2 vs. Apple Watch Series 4

 
Forerunner 225
Ionic
645 Music
Gear 2
Watch Series 4
 GarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowSamsungGear 2Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$300$299$450$300$329
Release20152017201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration10 hours to 4 weeks4+ days7 days2-3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180348x250240 x 240320 x 320384 x 480
Size1 inch1.421.2 inches1.63 inches1.78 inches
Touch
Typen/aOLEDMIPSuper AMOLEDMicroLED

Functions

Audio Speaker22Bluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATMIP67Not Yet

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSTizen OSWatch OS 5
Appsn/a
Musicn/a

All Wearables