Sony SmartBand 2 vs. Garmin 645 Music vs. Michael Kors Access Sofie HR vs. Fitbit Inspire HR vs. Amazfit GTR

 
SmartBand 2
645 Music
Access Sofie HR
Inspire HR
GTR
 SonySmartBand 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$130$450$395$99$199
Release20152018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days7 days2 days5 days24 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 240390 x 390139 x 60454 x 454
Sizen/a1.2 inches1.19 inches1.4 inches1.39 inches
Touchn/a
Typen/aMIPOMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP585 ATM0.3 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSFitbit OSBuild-in
Apps
Music

All Wearables