Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Xiaomi Mi Band 4 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Flex 2
Forerunner 235
Mi Band 4
Inspire HR
T-Rex
 FitbitFlex 2Remove Buy NowGarminForerunner 235Remove Buy NowXiaomiMi Band 4Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$299.99$25$99$140
Release20162017201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days9 days20 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a215 x 180120x240139 x 60360 x 360
Sizen/a1.23 inches0.95 inches1.4 inches1.3 inches
Touchn/a
TypeLEDMIPAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAMAZFIT OSFitbit OSBuild-in
Apps
Music

All Wearables