Garmin Forerunner 235 vs. Fitbit Flex vs. Apple Watch Series 4 vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Forerunner 235
Flex
Watch Series 4
Forerunner 45
GTR
 GarminForerunner 235Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 4Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$299.99$100$329$199$199
Release20172013201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration9 days5 daysNot Yet7 days24 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution215 x 180NA384 x 480208 x 208454 x 454
Size1.23 inchesNA1.78 inches1.04 inches1.39 inches
TouchNA
TypeMIPLEDMicroLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemNAWatch OS 5Built-inBuild-in
Apps
Music

All Wearables