Sony SmartWatch 3 vs. Fitbit Alta vs. Garmin 645 Music vs. Apple Watch Series 4

 
SmartWatch 3
Alta
645 Music
Watch Series 4
 SonySmartWatch 3Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$250$130$450$329
Release2014201620182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days7 daysNot Yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a240 x 240384 x 480
Size1.6 inchesn/a1.2 inches1.78 inches
Touchn/a
TypeTFT LCDOLEDMIPMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68n/a5 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aWatch OS 5
Apps
Music

All Wearables