Fossil Q Grant vs. Amazfit Stratos vs. Garmin 645 Music vs. Fitbit Charge 3 vs. Fitbit Flex

 
Q Grant
Stratos
645 Music
Charge 3
Flex
 FossilQ GrantRemove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$175$199$450$150$100
Release20152018201820182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days7 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300240 x 24066 x 18NA
Sizen/a1.34 inches1.2 inches.721 inchesNA
Touchn/aNA
Typen/aOLEDMIPOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNANA
Apps
Music

All Wearables