Amazfit Arc vs. Garmin Forerunner 45 vs. Amazfit T-Rex vs. Apple Watch 7 vs. Apple Watch 8

 
Arc
Forerunner 45
T-Rex
Watch 7
Watch 8
 AmazfitArcRemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy NowAppleWatch 7Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$69.99$199$140$429$499
Release20162019201920212022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days7 days20 days18 Hours18 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40208 x 208360 x 360396 x 484340 x 272 or 390 x 312
Size0.42 inches1.04 inches1.3 inches1.9 inches1.5 inches or 1.65 inches
Touch
TypeOLEDLCDAMOLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMwater resistant but not waterproof5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuilt-inBuild-inWatchOS 8WatchOS 9
Apps
Music

All Wearables