Fitbit One vs. Amazfit Arc vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Apple Watch 8

 
One
Arc
Flex
Forerunner 45
Watch 8
 FitbitOneRemove Buy NowAmazfitArcRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$69.99$100$199$499
Release20122016201320192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days20 days5 days7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a72 x40NA208 x 208340 x 272 or 390 x 312
Sizen/a0.42 inchesNA1.04 inches1.5 inches or 1.65 inches
TouchNA
TypeOLEDOLEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP671 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuilt-inWatchOS 9
Apps
Music

All Wearables