Apple Watch Series 2 vs. Apple Watch vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Apple Series 6

 
Watch Series 2
Watch
G-Shock GBA800
645 Music
Series 6
 AppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$269$349$120$450$399
Release20162015201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours18 hours2 years7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312340 x 272 or 390 x 312240 x 240384 x 480
Size1.5 inches or 1.65 inches1.5 inches or 1.65 inches1.2 inches40mm
Touch
TypeAMOLEDAMOLEDMIPMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5ATMIPX720 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSWatch OSWatchOS 5
Apps
Music

All Wearables