Sony SmartWatch 3 vs. Withings Activite Steel vs. Fitbit Ionic vs. Fitbit Alta HR vs. Amazfit T-Rex

 
SmartWatch 3
Activite Steel
Ionic
Alta HR
T-Rex
 SonySmartWatch 3Remove Buy NowWithingsActivite SteelRemove Buy NowFitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$170$299$150$140
Release20142015201720172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months4+ days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a348x250128 x 36360 x 360
Size1.6 inches1.3 inches1.421.4 inches1.3 inches
Touch
TypeTFT LCDAnalogOLEDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM50m5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aFitbit OSBuild-in
Apps
Music

All Wearables