Polar Loop 2 vs. Diesel On Full Guard vs. Sony SmartBand vs. Huawei Band 3 Pro vs. Amazfit T-Rex

 
Loop 2
On Full Guard
SmartBand
Band 3 Pro
T-Rex
 PolarLoop 2Remove Buy NowDieselOn Full GuardRemove Buy NowSonySmartBandRemove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$120$325$100$70$140
Release20152017201420182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day5 days12 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a454 x 454NA454 x 454360 x 360
Sizen/a1.4 inchesNA1.39 inches1.3 inches
TouchNA
TypeLEDOMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP67IP58IP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NAAMAZFIT OSBuild-in
Apps
Music

All Wearables