Fitbit Flex 2 vs. Polar A370 vs. Garmin Forerunner 45 vs. Huawei Band 3 Pro vs. Amazfit GTR

 
Flex 2
A370
Forerunner 45
Band 3 Pro
GTR
 FitbitFlex 2Remove Buy NowPolarA370Remove Buy NowGarminForerunner 45Remove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$100$179.95$199$70$199
Release20162017201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 3 days7 days12 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 80208 x 208454 x 454454 x 454
Sizen/a1.18 inches1.04 inches1.39 inches1.39 inches
Touchn/a
TypeLEDTFT LCDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMWR305 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuilt-inAMAZFIT OSBuild-in
Apps
Music

All Wearables