Fitbit Flex 2 vs. Huawei Watch 2 vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Flex 2
Watch 2
Watch Series 4
Forerunner 45
GTR
 FitbitFlex 2Remove Buy NowHuaweiWatch 2Remove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$350$329$199$199
Release20162017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hoursNot Yet7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 480384 x 480208 x 208454 x 454
Sizen/a1.38 inches1.78 inches1.04 inches1.39 inches
Touchn/a
TypeLEDP-OLEDMicroLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP68Not Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Watch OS 5Built-inBuild-in
Apps
Music

All Wearables