Fitbit Flex 2 vs. Polar M430 vs. Amazfit Bip vs. Garmin Forerunner 45 vs. Apple Watch 8

 
Flex 2
M430
Bip
Forerunner 45
Watch 8
 FitbitFlex 2Remove Buy NowPolarM430Remove Buy NowAmazfitBipRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$255$99.99$199$499
Release20162017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours30 days7 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128x128176 x 176208 x 208340 x 272 or 390 x 312
Sizen/a1.4 inch1.28 inches1.04 inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDLCDNALCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR30IP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inWatchOS 9
Apps
Music

All Wearables