Samsung Gear S vs. Garmin 645 Music vs. Xiaomi Mi Band 4 vs. Huawei Band 3 Pro vs. Amazfit GTR

 
Gear S
645 Music
Mi Band 4
Band 3 Pro
GTR
 SamsungGear SRemove Buy NowGarmin645 MusicRemove Buy NowXiaomiMi Band 4Remove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$450$25$70$199
Release20132018201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a7 days20 days12 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360240 x 240120x240454 x 454454 x 454
Size2 inches1.2 inches0.95 inches1.39 inches1.39 inches
Touch
TypeSuper AMOLEDMIPAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAMAZFIT OSAMAZFIT OSBuild-in
Apps
Music

All Wearables