Huawei Fit vs. Polar V800 vs. Fitbit Alta HR vs. Xiaomi Mi Band 4 vs. Amazfit T-Rex

 
Fit
V800
Alta HR
Mi Band 4
T-Rex
 HuaweiFitRemove Buy NowPolarV800Remove Buy NowFitbitAlta HRRemove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$130$470$150$25$140
Release20162014201720192019

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration6 days13 hours to 30 days7 days20 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution208 x 208n/a128 x 36120x240360 x 360
Size1.04 inchesn/a1.4 inches0.95 inches1.3 inches
Touch
TypeMemory LCDn/aOLEDAMOLEDAMOLED

Functions

Audio Speakern/aAlerts only
Clock
Phone 5 ATM
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP683 ATM5 ATM5 ATM

Notifications

Phone 5 ATM
Emails
Textsn/a

Software

Operating Systemn/an/aAMAZFIT OSBuild-in
Appsn/a
Musicn/a

All Wearables