Fitbit Alta vs. Casio G-Shock GBA800 vs. Fitbit Charge vs. Amazfit GTS vs. Apple Series 6

 
Alta
G-Shock GBA800
Charge
GTS
Series 6
 FitbitAltaRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy NowAmazfitGTSRemove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$130$120$130$150$399
Release20162018201420192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years7-10 days14 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA348 x 442384 x 480
Sizen/aNA1.65 inches40mm
Touchn/aNA
TypeOLEDOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistancen/a20 ATM1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aNAWear OSWatchOS 5
Apps
Music

All Wearables