Garmin Forerunner 225 vs. Fitbit Alta vs. Fitbit Ionic vs. Garmin 645 Music vs. Samsung Gear 2

 
Forerunner 225
Alta
Ionic
645 Music
Gear 2
 GarminForerunner 225Remove Buy NowFitbitAltaRemove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowSamsungGear 2Remove Buy Now

Basic Info

Suggested Price$300$130$299$450$300
Release20152016201720182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration10 hours to 4 weeks5 days4+ days7 days2-3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a348x250240 x 240320 x 320
Size1 inchn/a1.421.2 inches1.63 inches
Touchn/a
Typen/aOLEDOLEDMIPSuper AMOLED

Functions

Audio Speaker22Bluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a50m5 ATMIP67

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/aFitbit OSTizen OS
Appsn/a
Musicn/a

All Wearables