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

 
Alta
Flex 2
On Full Guard
Watch Series 4
VivoActive 4
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowAppleWatch Series 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$130$100$325$329$349
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 dayNot Yet8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a454 x 454384 x 480260 x 260
Sizen/an/a1.4 inches1.78 inches1.3ionches
Touchn/an/a
TypeOLEDLEDOMOLEDMicroLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP67Not Yet5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Watch OS 5Wear OS
Apps
Music

All Wearables