Fitbit Flex 2 vs. Garmin 645 Music vs. Garmin Fenix 5X vs. Garmin Forerunner 235 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Flex 2
645 Music
Fenix 5X
Forerunner 235
Grayson
Grayson
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminFenix 5XRemove Buy NowGarminForerunner 235Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$450$699$299.99$350$350
Release201620182017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysUp to 12 days9 days24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240240 x240215 x 180453 x 454453x454
Sizen/a1.2 inches1.2 inches1.23 inches1.39 inches1.39 inches
Touchn/a
TypeLEDMIPNAMIPAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM5 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear
Apps
Music

All Wearables