Fitbit Surge vs. Pebble Time Round vs. Polar M600 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Surge
Time Round
M600
Grayson
Grayson
Vivosmart 4
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowPolarM600Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$250$200$330$350$350$130
Release201620152016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days2 days24 hours24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a240 x 240453 x 454453x45448 x 128
Size1.26 inchesround1.3 inches1.39 inches1.39 inches0.74 inches
Touchn/a
TypeMonochrome LCDe-paperTFTAMOLEDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IPX81 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables