Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Versa 2 vs. Xiaomi Mi Band 4 vs. Amazfit GTS

 
G-Shock GBA800
645 Music
Versa 2
Mi Band 4
GTS
 CasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitVersa 2Remove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$120$450$199$25$150
Release20182018201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 days5 days20 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240300 x 300120x240348 x 442
Size1.2 inches1.34 inches0.95 inches1.65 inches
Touch
TypeMIPAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuild-inAMAZFIT OSWear OS
Apps
Music

All Wearables