Huawei Watch 2 vs. Diesel On Full Guard vs. Polar A370 vs. Xiaomi Mi Band 4 vs. Amazfit T-Rex

 
Watch 2
On Full Guard
A370
Mi Band 4
T-Rex
 HuaweiWatch 2Remove Buy NowDieselOn Full GuardRemove Buy NowPolarA370Remove Buy NowXiaomiMi Band 4Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$325$179.95$25$140
Release20172017201720192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours1 dayUp to 3 days20 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 480454 x 454160 x 80120x240360 x 360
Size1.38 inches1.4 inches1.18 inches0.95 inches1.3 inches
Touch
TypeP-OLEDOMOLEDTFT LCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP67WR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Android Wear 2.0AMAZFIT OSBuild-in
Apps
Music

All Wearables