Fitbit Flex 2 vs. Amazfit Stratos vs. Garmin 645 Music vs. Jawbone UP4 vs. Fitbit Inspire 3

 
Flex 2
Stratos
645 Music
UP4
Inspire 3
 FitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowGarmin645 MusicRemove Buy NowJawboneUP4Remove Buy NowFitbitInspire 3Remove Buy Now

Basic Info

Suggested Price$100$199$450$200$100
Release20162018201820152022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days7 daysNA10 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 300240 x 240NA32x18
Sizen/a1.34 inches1.2 inchesNA46 inches
Touchn/aNA
TypeLEDOLEDMIPNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryNA
Apps
MusicNA

All Wearables