Apple Watch Series 2 vs. Apple Watch Series 5 vs. Garmin Forerunner 45 vs. Amazfit GTR vs. Apple Series 6

 
Watch Series 2
Watch Series 5
Forerunner 45
GTR
Series 6
 AppleWatch Series 2Remove Buy NowAppleWatch Series 5Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$269$329$199$199$399
Release20162019201920192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hoursNot Yet7 days24 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312384 x 480208 x 208454 x 454384 x 480
Size1.5 inches or 1.65 inches1.78 Inches1.04 inches1.39 inches40mm
Touch
TypeAMOLEDMicroLEDLCDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5ATMNot Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWatchOS 5Built-inBuild-inWatchOS 5
Apps
Music

All Wearables