Fitbit Flex vs. Samsung Gear Fit vs. Garmin Forerunner 45 vs. Xiaomi Mi Band 4 vs. Amazfit GTR

 
Flex
Gear Fit
Forerunner 45
Mi Band 4
GTR
 FitbitFlexRemove Buy NowSamsungGear FitRemove Buy NowGarminForerunner 45Remove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$150$199$25$199
Release20132014201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2-3 days7 days20 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA432 x 128208 x 208120x240454 x 454
SizeNA1.84 inches1.04 inches0.95 inches1.39 inches
TouchNA
TypeLEDSuper AMOLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMIP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNANABuilt-inAMAZFIT OSBuild-in
Apps
Music

All Wearables