Fitbit Ionic vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Apple Watch Series 5 vs. Amazfit T-Rex

 
Ionic
G-Shock GBA800
Flex
Watch Series 5
T-Rex
 FitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitFlexRemove Buy NowAppleWatch Series 5Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$120$100$329$140
Release20172018201320192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days2 years5 daysNot Yet20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250NA384 x 480360 x 360
Size1.42NA1.78 Inches1.3 inches
TouchNA
TypeOLEDLEDMicroLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m20 ATM1 ATMNot Yet5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSNAWatchOS 5Build-in
Apps
Music

All Wearables