Garmin Forerunner 225 vs. Pebble 2 vs. Fitbit Ionic vs. Garmin 645 Music vs. Amazfit GTR

 
Forerunner 225
2
Ionic
645 Music
GTR
 GarminForerunner 225Remove Buy NowPebble2Remove Buy NowFitbitIonicRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$129$299$450$199
Release20152016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks7 days4+ days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/a348x250240 x 240454 x 454
Size1 inchn/a1.421.2 inches1.39 inches
Touch
Typen/ae-paperOLEDMIPAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM50m5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aPebble OSFitbit OSBuild-in
Appsn/a
Musicn/a

All Wearables