Fitbit Flex 2 vs. Samsung Galaxy Watch vs. Polar A370 vs. Garmin Forerunner 45

 
Flex 2
Galaxy Watch
A370
Forerunner 45
 FitbitFlex 2Remove Buy NowSamsungGalaxy WatchRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$100$330$179.95$199
Release2016201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 360160 x 80208 x 208
Sizen/a1.2 inches or 1.3 inches1.18 inches1.04 inches
Touchn/a
TypeLEDAMOLEDTFT LCDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSBuilt-in
Apps
MusicSpotify

All Wearables