Garmin Fenix 5X vs. Garmin Forerunner 45 vs. Amazfit T-Rex vs. Apple Watch 8 vs. Apple Watch Ultra

 
Fenix 5X
Forerunner 45
T-Rex
Watch 8
Watch Ultra
 GarminFenix 5XRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 8Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$699$199$140$499$799
Release20172019201920222022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

DurationUp to 12 days7 days20 days18 hrs36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x240208 x 208360 x 360340 x 272 or 390 x 312502x410 pixels
Size1.2 inches1.04 inches1.3 inches1.5 inches or 1.65 inches1.92 inches
Touch
TypeNALCDAMOLEDAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATM5 ATM5 ATM5 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating SystemBuilt-inBuild-inWatchOS 9WatchOS 9
Apps
Music

All Wearables