Garmin Forerunner 935 vs. Garmin 645 Music vs. Samsung Galaxy Watch vs. Fitbit Flex vs. Diesel On Full Guard 2.5

 
Forerunner 935
645 Music
Galaxy Watch
Flex
On Full Guard 2.5
 GarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowSamsungGalaxy WatchRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$500$450$330$100$325
Release20172018201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks7 days7 days5 days4 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240240 x 240360 x 360NA454x454
Size1.2 inches1.2 inches1.2 inches or 1.3 inchesNA1.39 inches
TouchNA
TypeLCDMIPAMOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizen OSNAWear OS
Apps
MusicSpotify

Wearables by Diesel

Diesel On Full Guard

All Wearables