Fitbit Flex 2 vs. Garmin Vivosmart HR Plus vs. Polar A370 vs. Garmin Forerunner 45 vs. Fossil Gen 5 Smartwatch Carlyle

 
Flex 2
Vivosmart HR Plus
A370
Forerunner 45
Gen 5 Smartwatch Carlyle
 FitbitFlex 2Remove Buy NowGarminVivosmart HR PlusRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowFossilGen 5 Smartwatch CarlyleRemove Buy Now

Basic Info

Suggested Price$100$179$179.95$199$295
Release20162017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysUp to 3 days7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68160 x 80208 x 208328 x 328
Sizen/a0.5 inches x 0.8 inches1.18 inches1.04 inches1.3 inches
Touchn/a
TypeLEDLCDTFT LCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR305 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWear OS
Apps
Music

All Wearables