Fitbit Alta vs. Fitbit Flex 2 vs. Diesel On Full Guard vs. Garmin Forerunner 45 vs. Apple Watch 8

 
Alta
Flex 2
On Full Guard
Forerunner 45
Watch 8
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowDieselOn Full GuardRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$130$100$325$199$499
Release20162016201720192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days1 day7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a454 x 454208 x 208340 x 272 or 390 x 312
Sizen/an/a1.4 inches1.04 inches1.5 inches or 1.65 inches
Touchn/an/a
TypeOLEDLEDOMOLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP675 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Built-inWatchOS 9
Apps
Music

All Wearables