Fitbit Alta vs. Fitbit One vs. Michael Kors Grayson vs. Garmin Instinct vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Alta
One
Grayson
Instinct
Grayson
T-Rex
 FitbitAltaRemove Buy NowFitbitOneRemove Buy NowMichael KorsGraysonRemove Buy NowGarminInstinctRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$100$350$300$350$140
Release201620122018201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days24 hours14 days24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454128 x 128453x454360 x 360
Sizen/an/a1.39 inches0.9 inches1.39 inches1.3 inches
Touchn/a
TypeOLEDOLEDAMOLEDOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant1 ATM10 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearBuild-in
Apps
Music

All Wearables