Samsung Gear S2 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Flex vs. Apple SE (2022)

 
Gear S2
G-Shock GBA800
645 Music
Flex
SE (2022)
 SamsungGear S2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$300$120$450$100$249
Release20152018201820132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days2 years7 days5 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color368 x 448 pixels
Resolution360 x 360240 x 240NA40mm
Size1.2 inches1.2 inchesNA
TouchNALTPO OLED Retina
TypeSuper AMOLEDMIPLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water ResistanceIP6820 ATM5 ATM1 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemTizenNA
Apps
Music

All Wearables