Pebble Time Round vs. Fitbit Charge 2 vs. Michael Kors Grayson vs. Garmin Vivosmart HR Plus vs. Michael Kors Grayson vs. Amazfit GTR

 
Time Round
Charge 2
Grayson
Vivosmart HR Plus
Grayson
GTR
 PebbleTime RoundRemove Buy NowFitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$150$350$179$350$199
Release201520162018201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days24 hours5 days24 hours24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454160 x 68453x454454 x 454
Sizeroundn/a1.39 inches0.5 inches x 0.8 inches1.39 inches1.39 inches
Touchn/a
Typee-paperOLEDAMOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7n/a1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables