Sony SmartBand 2 vs. Garmin 645 Music vs. Garmin Vivosmart 3 vs. Garmin VivoActive 4

 
SmartBand 2
645 Music
Vivosmart 3
VivoActive 4
 SonySmartBand 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart 3Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$130$450$139.99$349
Release2015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 days5 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 24064 x 128260 x 260
Sizen/a1.2 inchesNA1.3ionches
Touchn/a
Typen/aMIPOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OS
Apps
Music

All Wearables