Fitbit Flex 2 vs. Samsung Gear Fit2 vs. Fitbit Alta HR vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Flex 2
Gear Fit2
Alta HR
Forerunner 45
GTR
 FitbitFlex 2Remove Buy NowSamsungGear Fit2Remove Buy NowFitbitAlta HRRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$180$150$199$199
Release20162016201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3-4 days7 days7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a432 x 216128 x 36208 x 208454 x 454
Sizen/a1.5 inches1.4 inches1.04 inches1.39 inches
Touchn/a
TypeLEDSuper AMOLEDOLEDLCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenBuilt-inBuild-in
Apps
Music

All Wearables