Fitbit Alta vs. Garmin Vivofit 3 vs. Fitbit Ionic vs. Fitbit Charge HR vs. Amazfit T-Rex

 
Alta
Vivofit 3
Ionic
Charge HR
T-Rex
 FitbitAltaRemove Buy NowGarminVivofit 3Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$100$299$150$140
Release20162016201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 year4+ days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a64 x 64348x250NA360 x 360
Sizen/a0.55 inches1.42NA1.3 inches
Touchn/aNA
TypeOLEDn/aOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM50m1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aFitbit OSNABuild-in
Apps
Music

All Wearables