Sony SmartBand 2 vs. Amazfit Cor vs. Garmin 645 Music vs. Apple Watch Series 4 vs. Apple Series 6

 
SmartBand 2
Cor
645 Music
Watch Series 4
Series 6
 SonySmartBand 2Remove Buy NowAmazfitCorRemove Buy NowGarmin645 MusicRemove Buy NowAppleWatch Series 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$79.99$450$329$399
Release20152018201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days12 days7 daysNot YetNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a80 x 160240 x 240384 x 480384 x 480
Sizen/a1.23 inches1.2 inches1.78 inches40mm
Touchn/a
Typen/aIPS LCDMIPMicroLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP585 ATM5 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OS 5WatchOS 5
Apps
Music

All Wearables