Garmin Forerunner 225 vs. Fitbit Flex vs. Diesel On Full Guard 2.5 vs. Garmin Forerunner 45 vs. Apple Watch 7

 
Forerunner 225
Flex
On Full Guard 2.5
Forerunner 45
Watch 7
 GarminForerunner 225Remove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$300$100$325$199$429
Release20152013201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks5 days4 days7 days18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution180 x 180NA454x454208 x 208396 x 484
Size1 inchNA1.39 inches1.04 inches1.9 inches
TouchNA
Typen/aLEDLCDMicroLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM3 ATM5 ATMwater resistant but not waterproof

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aNAWear OSBuilt-inWatchOS 8
Appsn/a
Musicn/a

All Wearables