Apple Watch Series 3 vs. Garmin Forerunner 225 vs. Fitbit Flex vs. Garmin VivoActive 4 vs. HTC re Grip

 
Watch Series 3
Forerunner 225
Flex
VivoActive 4
re Grip
 AppleWatch Series 3Remove Buy NowGarminForerunner 225Remove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$329$300$100$349$199
Release20172015201320192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours10 hours to 4 weeks5 days8 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312180 x 180NA260 x 260160 x 32
Size1.5 inches or 1.65 inches1 inchNA1.3ionches1.8 inches
TouchNA
TypeAMOLEDn/aLEDMIPPMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATMIP57

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatchOS 4n/aNAWear OSNA
Appsn/a
Musicn/a

All Wearables