Fitbit Flex 2 vs. Apple Watch Series 2 vs. Diesel On Full Guard 2.5 vs. Garmin VivoActive 4 vs. Apple Series 6

 
Flex 2
Watch Series 2
On Full Guard 2.5
VivoActive 4
Series 6
 FitbitFlex 2Remove Buy NowAppleWatch Series 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminVivoActive 4Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$269$325$349$399
Release20162016201820192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours4 days8 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a340 x 272 or 390 x 312454x454260 x 260384 x 480
Sizen/a1.5 inches or 1.65 inches1.39 inches1.3ionches40mm
Touchn/a
TypeLEDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATM5ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSWear OSWear OSWatchOS 5
Apps
Music

All Wearables