Fitbit Charge 2 vs. Fitbit One vs. Garmin Chronos vs. Garmin Forerunner 235 vs. Amazfit GTR

 
Charge 2
One
Chronos
Forerunner 235
GTR
 FitbitCharge 2Remove Buy NowFitbitOneRemove Buy NowGarminChronosRemove Buy NowGarminForerunner 235Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$150$100$1500$299.99$199
Release20162012201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days8 days9 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a218 x 218215 x 180454 x 454
Sizen/an/a1.2 inches1.23 inches1.39 inches
Touchn/a
TypeOLEDOLEDMIPMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aSplast Resistant10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSBuild-in
Apps
Music

All Wearables