Fitbit Alta vs. Fitbit Ionic vs. Garmin Forerunner 235 vs. Samsung Galaxy Watch vs. Amazfit T-Rex

 
Alta
Ionic
Forerunner 235
Galaxy Watch
T-Rex
 FitbitAltaRemove Buy NowFitbitIonicRemove Buy NowGarminForerunner 235Remove Buy NowSamsungGalaxy WatchRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$299$299.99$330$140
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4+ days9 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250215 x 180360 x 360360 x 360
Sizen/a1.421.23 inches1.2 inches or 1.3 inches1.3 inches
Touchn/a
TypeOLEDOLEDMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATM5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aFitbit OSTizen OSBuild-in
Apps
MusicSpotify

All Wearables