Fitbit Flex 2 vs. Misfit Ray vs. Samsung Galaxy Watch vs. Polar A370 vs. Garmin Vivosmart 4

 
Flex 2
Ray
Galaxy Watch
A370
Vivosmart 4
 FitbitFlex 2Remove Buy NowMisfitRayRemove Buy NowSamsungGalaxy WatchRemove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$100$330$179.95$130
Release20162016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months7 daysUp to 3 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
CellularNA
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a360 x 360160 x 8048 x 128
Sizen/an/a1.2 inches or 1.3 inches1.18 inches0.74 inches
Touchn/an/a
TypeLEDLEDAMOLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizen OS
Apps
MusicSpotify

All Wearables