Fitbit Flex 2 vs. Garmin Vivosmart HR Plus vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45 vs. Amazfit GTS

 
Flex 2
Vivosmart HR Plus
On Full Guard 2.5
Forerunner 45
GTS
 FitbitFlex 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$179$325$199$150
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68454x454208 x 208348 x 442
Sizen/a0.5 inches x 0.8 inches1.39 inches1.04 inches1.65 inches
Touchn/a
TypeLEDLCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSBuilt-inWear OS
Apps
Music

All Wearables