Polar M430 vs. Michael Kors Grayson vs. Samsung Gear 2 vs. Michael Kors Grayson vs. Garmin VivoActive 4 vs. Apple Watch 7

 
M430
Grayson
Gear 2
Grayson
VivoActive 4
Watch 7
 PolarM430Remove Buy NowMichael KorsGraysonRemove Buy NowSamsungGear 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$255$350$300$350$349$429
Release201720182014201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration30 hours24 hours2-3 days24 hours8 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128x128453 x 454320 x 320453x454260 x 260396 x 484
Size1.4 inch1.39 inches1.63 inches1.39 inches1.3ionches1.9 inches
Touch
TypeLCDAMOLEDSuper AMOLEDAMOLEDMIPMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceWR301 ATMIP671 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearTizen OSAndroid WearWear OSWatchOS 8
Apps
Music

All Wearables