Apple Watch Series 3 vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Amazfit T-Rex vs. Apple SE (2022)

 
Watch Series 3
Ionic
Charge 3
T-Rex
SE (2022)
 AppleWatch Series 3Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy NowAppleSE (2022)Remove Buy Now

Basic Info

Suggested Price$329$299$150$140$249
Release20172017201820192022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days7 days20 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color368 x 448 pixels
Resolution340 x 272 or 390 x 312348x25066 x 18360 x 36040mm
Size1.5 inches or 1.65 inches1.42.721 inches1.3 inches
TouchLTPO OLED Retina
TypeAMOLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter5 ATM
Ultraviolet Sensor
Water Resistance5 ATM50m5 ATM5 ATM

Notifications

Phone
EmailsWatchOS 8.1
Texts

Software

Operating SystemWatchOS 4Fitbit OSNABuild-in
Apps
Music

All Wearables