Fitbit Flex vs. Pebble Core vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45 vs. Garmin VivoActive 4

 
Flex
Core
On Full Guard 2.5
Forerunner 45
VivoActive 4
 FitbitFlexRemove Buy NowPebbleCoreRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$100$99$325$199$349
Release20132016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 daysNA4 days7 days8 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNANA454x454208 x 208260 x 260
SizeNANA1.39 inches1.04 inches1.3ionches
TouchNANA
TypeLEDNALCDMIP

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNA3 ATM5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNANAWear OSBuilt-inWear OS
Apps
Music

All Wearables