Fitbit Flex 2 vs. Garmin Forerunner 45 vs. Garmin Instinct vs. Amazfit T-Rex vs. Apple Watch 8

 
Flex 2
Forerunner 45
Instinct
T-Rex
Watch 8
 FitbitFlex 2Remove Buy NowGarminForerunner 45Remove Buy NowGarminInstinctRemove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$199$300$140$499
Release20162019201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days14 days20 days18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a208 x 208128 x 128360 x 360340 x 272 or 390 x 312
Sizen/a1.04 inches0.9 inches1.3 inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDLCDOMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM10 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inBuild-inWatchOS 9
Apps
Music

All Wearables