Fitbit Flex 2 vs. Garmin 645 Music vs. Diesel On Full Guard 2.5 vs. Fitbit Versa 2 vs. Amazfit GTS

 
Flex 2
645 Music
On Full Guard 2.5
Versa 2
GTS
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowFitbitVersa 2Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$450$325$199$150
Release20162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days4 days5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240454x454300 x 300348 x 442
Sizen/a1.2 inches1.39 inches1.34 inches1.65 inches
Touchn/a
TypeLEDMIPAMOLEDAMOLED

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/aWear OSBuild-inWear OS
Apps
Music

All Wearables