Apple Watch Series 2 vs. Diesel On Full Guard vs. Fitbit Flex vs. Garmin Vivosmart HR Plus vs. Garmin VivoActive 4

 
Watch Series 2
On Full Guard
Flex
Vivosmart HR Plus
VivoActive 4
 AppleWatch Series 2Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$269$325$100$179$349
Release20162017201320172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours1 day5 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312454 x 454NA160 x 68260 x 260
Size1.5 inches or 1.65 inches1.4 inchesNA0.5 inches x 0.8 inches1.3ionches
TouchNA
TypeAMOLEDOMOLEDLEDLCDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMIP671 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSAndroid Wear 2.0NANAWear OS
Apps
Music

All Wearables