Fitbit Flex 2 vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45 vs. Garmin Vivosmart 4 vs. Garmin Venu

 
Flex 2
On Full Guard 2.5
Forerunner 45
Vivosmart 4
Venu
 FitbitFlex 2Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy NowGarminVivosmart 4Remove Buy NowGarminVenuRemove Buy Now

Basic Info

Suggested Price$100$325$199$130$299
Release20162018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days4 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454x454208 x 20848 x 128390 x 390
Sizen/a1.39 inches1.04 inches0.74 inches1.2 inches
Touchn/a
TypeLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSBuilt-inWear OS
Apps
Music

All Wearables