Samsung Gear S2 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Huawei Band 2 vs. Apple Series 6

 
Gear S2
G-Shock GBA800
645 Music
Band 2
Series 6
 SamsungGear S2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowHuaweiBand 2Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$300$120$450$69.99$399
Release20152018201820172020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days2 years7 days21 daysNot yet
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360240 x 240128 x 32384 x 480
Size1.2 inches1.2 inches0.91 inches40mm
Touch
TypeSuper AMOLEDMIPPMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP6820 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenWatchOS 5
Apps
Music

All Wearables