Fitbit Alta vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Amazfit GTS vs. Apple Watch 7

 
Alta
Watch Series 2
G-Shock GBA800
GTS
Watch 7
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitGTSRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$269$120$150$429
Release20162016201820192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours2 years14 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312348 x 442396 x 484
Sizen/a1.5 inches or 1.65 inches1.65 inches1.9 inches
Touchn/a
TypeOLEDAMOLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM20 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSWear OSWatchOS 8
Apps
Music

All Wearables