Fitbit Charge 2 vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Xiaomi Mi Band 3 vs. Apple Watch 7

 
Charge 2
G-Shock GBA800
Flex
Mi Band 3
Watch 7
 FitbitCharge 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowXiaomiMi Band 3Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$150$120$100$44.95$429
Release20162018201320182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years5 days20 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNA128 x 80396 x 484
Sizen/aNA0.78 inches1.9 inches
Touchn/aNA
TypeOLEDLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a20 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWatchOS 8
Apps
Music

All Wearables