Polar V800 vs. Polar A370 vs. Huawei Band 3 Pro vs. Amazfit T-Rex vs. HTC re Grip

 
V800
A370
Band 3 Pro
T-Rex
re Grip
 PolarV800Remove Buy NowPolarA370Remove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitT-RexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$470$179.95$70$140$199
Release20142017201820192020

Activity & Fitness

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

Battery

Duration13 hours to 30 daysUp to 3 days12 days20 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80454 x 454360 x 360160 x 32
Sizen/a1.18 inches1.39 inches1.3 inches1.8 inches
Touch
Typen/aTFT LCDAMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMWR30IP685 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAMAZFIT OSBuild-inNA
Apps
Music

All Wearables