Fitbit Blaze vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
Blaze
Flex 2
Ionic
Charge 3
T-Rex
 FitbitBlazeRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$200$100$299$150$140
Release20162016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days4+ days7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x25066 x 18360 x 360
Sizen/an/a1.42.721 inches1.3 inches
Touchn/a
TypeLCDLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM50m5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSNABuild-in
Apps
Music

All Wearables