Pebble Time vs. Polar M600 vs. Polar Loop 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin VivoActive 4

 
Time
M600
Loop 2
Grayson
Grayson
VivoActive 4
 PebbleTimeRemove Buy NowPolarM600Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$150$330$120$350$350$349
Release201520162015201820182019

Activity & Fitness

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

Battery

Duration7 days2 days8 days (without notifications)24 hours24 hours8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144240 x 240n/a453 x 454453x454260 x 260
Size1.26 inches1.3 inchesn/a1.39 inches1.39 inches1.3ionches
Touchn/a
Typee-paperTFTLEDAMOLEDAMOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX82 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSAndroid Wearn/aAndroid WearAndroid WearWear OS
Apps
Music

All Wearables