Fitbit Ionic vs. Amazfit Pace vs. Apple Watch Series 4 vs. Amazfit GTS vs. Amazfit T-Rex

 
Ionic
Pace
Watch Series 4
GTS
T-Rex
 FitbitIonicRemove Buy NowAmazfitPaceRemove Buy NowAppleWatch Series 4Remove Buy NowAmazfitGTSRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$299$130$329$150$140
Release20172017201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 daysNot Yet14 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250320 x 300384 x 480348 x 442360 x 360
Size1.421.34 inches1.78 inches1.65 inches1.3 inches
Touch
TypeOLEDTFT LCDMicroLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP67Not Yet5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSProprietaryWatch OS 5Wear OSBuild-in
Apps
Music

All Wearables