Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Alta vs. Fitbit Flex vs. Fossil Gen 5 Smartwatch Carlyle

 
Forerunner 225
M400
Alta
Flex
Gen 5 Smartwatch Carlyle
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitAltaRemove Buy NowFitbitFlexRemove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$300$200$130$100$295
Release20152014201620132019

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 days5 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180n/an/aNA328 x 328
Size1 inchn/an/aNA1.3 inches
Touchn/aNA
Typen/an/aOLEDLEDAMOLED

Functions

Audio Speaker22Alerts only
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMn/a1 ATM3 ATM

Notifications

Phonen/a
Emailsn/an/a
Textsn/a

Software

Operating Systemn/an/an/aNAWear OS
Appsn/a
Musicn/a

All Wearables