Fitbit Surge vs. Pebble Time Round vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Amazfit GTS

 
Surge
Time Round
Grayson
Flex
Grayson
GTS
 FitbitSurgeRemove Buy NowPebbleTime RoundRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$200$350$100$350$150
Release201620152018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days2 days24 hours5 days24 hours14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454NA453x454348 x 442
Size1.26 inchesround1.39 inchesNA1.39 inches1.65 inches
TouchNA
TypeMonochrome LCDe-paperAMOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX71 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aPebble OSAndroid WearNAAndroid WearWear OS
Apps
Music

All Wearables