Polar M400 vs. Sony SmartBand Talk vs. Michael Kors Access Sofie vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Apple Watch 8

 
M400
SmartBand Talk
Access Sofie
Grayson
Grayson
Watch 8
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowMichael KorsAccess SofieRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$200$170$395$350$350$499
Release201420142017201820182022

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days1 day24 hours24 hours18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128390 x 390 1.19 inches453 x 454453x454340 x 272 or 390 x 312
Sizen/a1.4 inches1.39 inches1.39 inches1.5 inches or 1.65 inches
TouchAMOLDED
Typen/aE InkAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP681 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid Wear 2.0Android WearAndroid WearWatchOS 9
Apps
Music

All Wearables