Fitbit Surge vs. Pebble Time Round vs. Polar M600 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Surge
Time Round
M600
645 Music
Grayson
Grayson
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowPolarM600Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$200$330$450$350$350
Release201620152016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days2 days7 days24 hours24 hours
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 240240 x 240453 x 454453x454
Size1.26 inchesround1.3 inches1.2 inches1.39 inches1.39 inches
Touchn/a
TypeMonochrome LCDe-paperTFTMIPAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX7IPX85 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSAndroid WearAndroid WearAndroid Wear
Apps
Music

All Wearables