Fitbit Charge 2 vs. Fitbit One vs. Michael Kors Grayson vs. Garmin Forerunner 45 vs. Michael Kors Grayson vs. Amazfit GTS

 
Charge 2
One
Grayson
Forerunner 45
Grayson
GTS
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$100$350$199$350$150
Release201620122018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days24 hours7 days24 hours14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454208 x 208453x454348 x 442
Sizen/an/a1.39 inches1.04 inches1.39 inches1.65 inches
Touchn/a
TypeOLEDOLEDAMOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearBuilt-inAndroid WearWear OS
Apps
Music

All Wearables