Fitbit Flex 2 vs. Garmin Vivosmart vs. Amazfit Stratos vs. Jawbone UP4 vs. Garmin Forerunner 45

 
Flex 2
Vivosmart
Stratos
UP4
Forerunner 45
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowAmazfitStratosRemove Buy NowJawboneUP4Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$170$199$200$199
Release20162014201820152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 daysNA7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16320 x 300NA208 x 208
Sizen/a1.41 inches1.34 inchesNA1.04 inches
Touchn/aNA
TypeLEDOLEDOLEDNALCD

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/an/aProprietaryNABuilt-in
Apps
MusicNA

All Wearables