Fitbit Alta vs. Amazfit Pace vs. Garmin 645 Music vs. Fitbit Charge 3 vs. Fitbit Flex

 
Alta
Pace
645 Music
Charge 3
Flex
 FitbitAltaRemove Buy NowAmazfitPaceRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$130$450$150$100
Release20162017201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 300240 x 24066 x 18NA
Sizen/a1.34 inches1.2 inches.721 inchesNA
Touchn/aNA
TypeOLEDTFT LCDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aIP675 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryNANA
Apps
Music

All Wearables