Fitbit Alta vs. Garmin Fenix 5s vs. Garmin 645 Music vs. Fitbit Charge vs. Amazfit T-Rex

 
Alta
Fenix 5s
645 Music
Charge
T-Rex
 FitbitAltaRemove Buy NowGarminFenix 5sRemove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$599.99$450$130$140
Release20162017201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 9 days7 days7-10 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a218x 218240 x 240NA360 x 360
Sizen/a1.1 inches1.2 inchesNA1.3 inches
Touchn/aNA
TypeOLEDnaMIPOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a10ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNABuild-in
Apps
Music

All Wearables