Sony SmartWatch 3 vs. Fitbit Alta vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
SmartWatch 3
Alta
Alta HR
Charge 3
T-Rex
 SonySmartWatch 3Remove Buy NowFitbitAltaRemove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$130$150$150$140
Release20142016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320n/a128 x 3666 x 18360 x 360
Size1.6 inchesn/a1.4 inches.721 inches1.3 inches
Touchn/a
TypeTFT LCDOLEDOLEDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aNABuild-in
Apps
Music

All Wearables