Samsung Gear S3 vs. Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 7

 
Gear S3
Flex 2
Vivosmart HR
Grayson
Grayson
Watch 7
 SamsungGear S3Remove Buy NowFitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$350$100$170$350$350$429
Release201620162015201820182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleepn/a
Steps
Swim

Battery

Duration4 days5 days5 days24 hours24 hours18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a160 x 68453 x 454453x454396 x 484
Size1.3 inchesn/a1.08 inches1.39 inches1.39 inches1.9 inches
Touchn/a
TypeFullcolor AODLEDn/aAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATM1 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aAndroid WearAndroid WearWatchOS 8
Apps
Music

All Wearables