Fitbit Flex 2 vs. Garmin Vivosmart vs. Apple Watch vs. Diesel On Full Guard vs. Garmin Forerunner 45

 
Flex 2
Vivosmart
Watch
On Full Guard
Forerunner 45
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowAppleWatchRemove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$170$349$325$199
Release20162014201520172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days18 hours1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16340 x 272 or 390 x 312454 x 454208 x 208
Sizen/a1.41 inches1.5 inches or 1.65 inches1.4 inches1.04 inches
Touchn/a
TypeLEDOLEDAMOLEDOMOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIPX7IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWatch OSAndroid Wear 2.0Built-in
Apps
Music

All Wearables