Garmin Forerunner 935 vs. Diesel On Full Guard vs. Garmin 645 Music vs. Fitbit Flex vs. Fitbit Sense 2

 
Forerunner 935
On Full Guard
645 Music
Flex
Sense 2
 GarminForerunner 935Remove Buy NowDieselOn Full GuardRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$500$325$450$100$300
Release20172017201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 2 weeks1 day7 days5 days6 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240454 x 454240 x 240NA336x336
Size1.2 inches1.4 inches1.2 inchesNA1.59 inches
TouchNA
TypeLCDOMOLEDMIPLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP675 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2.0NA
Apps
Music

All Wearables