Fitbit Alta vs. Amazfit Arc vs. Garmin 645 Music vs. Fitbit Flex vs. Diesel On Full Guard 2.5

 
Alta
Arc
645 Music
Flex
On Full Guard 2.5
 FitbitAltaRemove Buy NowAmazfitArcRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$130$69.99$450$100$325
Release20162016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days20 days7 days5 days4 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40240 x 240NA454x454
Sizen/a0.42 inches1.2 inchesNA1.39 inches
Touchn/aNA
TypeOLEDOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM1 ATM3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables