Fitbit Flex vs. Apple Watch Series 4 vs. Xiaomi Mi Band 4 vs. Huawei Band 3 Pro vs. Amazfit GTR

 
Flex
Watch Series 4
Mi Band 4
Band 3 Pro
GTR
 FitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowXiaomiMi Band 4Remove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$329$25$70$199
Release20132018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNot Yet20 days12 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
ResolutionNA384 x 480120x240454 x 454454 x 454
SizeNA1.78 inches0.95 inches1.39 inches1.39 inches
TouchNA
TypeLEDMicroLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNot Yet5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatch OS 5AMAZFIT OSAMAZFIT OSBuild-in
Apps
Music

All Wearables