Apple Watch Series 3 vs. Fitbit Flex 2 vs. Diesel On Full Guard vs. Garmin Vivoactive 3 vs. Fitbit Alta HR

 
Watch Series 3
Flex 2
On Full Guard
Vivoactive 3
Alta HR
 AppleWatch Series 3Remove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowGarminVivoactive 3Remove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$329$100$325$299$150
Release20172016201720172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days1 day7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/a454 x 454240 x 240128 x 36
Size1.5 inches or 1.65 inchesn/a1.4 inches1.2 inches1.4 inches
Touchn/a
TypeAMOLEDLEDOMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aAndroid Wear 2.0
Apps
Music

All Wearables