Fitbit One vs. Garmin Forerunner 235 vs. Fitbit Alta HR vs. Garmin Vivosmart 3 vs. Amazfit T-Rex

 
One
Forerunner 235
Alta HR
Vivosmart 3
T-Rex
 FitbitOneRemove Buy NowGarminForerunner 235Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$299.99$150$139.99$140
Release20122017201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days9 days7 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a215 x 180128 x 3664 x 128360 x 360
Sizen/a1.23 inches1.4 inchesNA1.3 inches
Touch
TypeOLEDMIPOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables