Pebble Time vs. Sony SmartWatch 3 vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Time
SmartWatch 3
Flex 2
Grayson
Grayson
Vivosmart 4
 PebbleTimeRemove Buy NowSonySmartWatch 3Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$150$250$100$350$350$130
Release201520142016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days5 days24 hours24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144320 x 320n/a453 x 454453x45448 x 128
Size1.26 inches1.6 inchesn/a1.39 inches1.39 inches0.74 inches
Touchn/a
Typee-paperTFT LCDLEDAMOLEDAMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aAndroid WearAndroid Wear
Apps
Music

All Wearables