Xiaomi Mi Band 2 vs. Samsung Gear Sport vs. Polar A370 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Mi Band 2
Gear Sport
A370
Inspire HR
T-Rex
 XiaomiMi Band 2Remove Buy NowSamsungGear SportRemove Buy NowPolarA370Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$23$299.99$179.95$99$140
Release20162017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration20 hours2 daysUp to 3 days5 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a360 x 360160 x 80139 x 60360 x 360
Size0.42 inches1.2 inches1.18 inches1.4 inches1.3 inches
Touch
TypeOLEDSuper AMOLEDTFT LCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMWR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizen OSFitbit OSBuild-in
Apps
Music

All Wearables