Fitbit Alta vs. Amazfit Stratos vs. Fitbit Versa vs. Garmin 645 Music vs. Fitbit Flex

 
Alta
Stratos
Versa
645 Music
Flex
 FitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowFitbitVersaRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$130$199$199.99$450$100
Release20162018201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days4 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300300 x300240 x 240NA
Sizen/a1.34 inches1.34 inches1.2 inchesNA
Touchn/aNA
TypeOLEDOLEDOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aProprietaryNA
Apps
Music

All Wearables