Garmin Vivosmart HR vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Polar A370 vs. Garmin Forerunner 45 vs. Michael Kors Grayson

 
Vivosmart HR
Watch Series 2
Grayson
A370
Forerunner 45
Grayson
 GarminVivosmart HRRemove Buy NowAppleWatch Series 2Remove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$170$269$350$179.95$199$350
Release201520162018201720192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours24 hoursUp to 3 days7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution160 x 68340 x 272 or 390 x 312453 x 454160 x 80208 x 208453x454
Size1.08 inches1.5 inches or 1.65 inches1.39 inches1.18 inches1.04 inches1.39 inches
Touch
Typen/aAMOLEDAMOLEDTFT LCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5ATM1 ATMWR305 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid WearBuilt-inAndroid Wear
Apps
Music

All Wearables