Sony SmartWatch 3 vs. Withings Activite Sapphire vs. Apple Watch Series 4 vs. Amazfit T-Rex

 
SmartWatch 3
Activite Sapphire
Watch Series 4
T-Rex
 SonySmartWatch 3Remove Buy NowWithingsActivite SapphireRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$450$329$140
Release2014201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 monthsNot Yet20 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/a384 x 480360 x 360
Size1.6 inches1.3 inches1.78 inches1.3 inches
Touch
TypeTFT LCDAnalogMicroLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWatch OS 5Build-in
Apps
Music

All Wearables