Fitbit Alta vs. Amazfit Stratos vs. Diesel On Full Guard vs. Fitbit Charge HR vs. Amazfit T-Rex

 
Alta
Stratos
On Full Guard
Charge HR
T-Rex
 FitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$199$325$150$140
Release20162018201720152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300454 x 454NA360 x 360
Sizen/a1.34 inches1.4 inchesNA1.3 inches
Touchn/aNA
TypeOLEDOLEDOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP671 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryAndroid Wear 2.0NABuild-in
Apps
Music

All Wearables