Fitbit Surge vs. Fitbit Alta vs. Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
Surge
Alta
Flex 2
G-Shock GBA800
Grayson
Grayson
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$250$130$100$120$350$350
Release201620162016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days5 days2 years24 hours24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a453 x 454453x454
Size1.26 inchesn/an/a1.39 inches1.39 inches
Touchn/an/a
TypeMonochrome LCDOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a5 ATM20 ATM1 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables