Samsung Gear S vs. Fitbit Flex 2 vs. Garmin 645 Music vs. Michael Kors Access Sofie HR vs. Amazfit GTR

 
Gear S
Flex 2
645 Music
Access Sofie HR
GTR
 SamsungGear SRemove Buy NowFitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$100$450$395$199
Release20132016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days2 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution480 x 360n/a240 x 240390 x 390454 x 454
Size2 inchesn/a1.2 inches1.19 inches1.39 inches
Touchn/a
TypeSuper AMOLEDLEDMIPOMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATM0.3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSBuild-in
Apps
Music

All Wearables