Fitbit Flex 2 vs. Garmin Chronos vs. Samsung Gear Fit vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Flex 2
Chronos
Gear Fit
Forerunner 45
GTR
 FitbitFlex 2Remove Buy NowGarminChronosRemove Buy NowSamsungGear FitRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$1500$150$199$199
Release20162018201420192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days8 days2-3 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a218 x 218432 x 128208 x 208454 x 454
Sizen/a1.2 inches1.84 inches1.04 inches1.39 inches
Touchn/a
TypeLEDMIPSuper AMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATMIP675 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNABuilt-inBuild-in
Apps
Music

All Wearables