Samsung Gear S vs. Fitbit Alta vs. Fitbit One vs. Garmin 645 Music vs. Xiaomi Mi Band 4

 
Gear S
Alta
One
645 Music
Mi Band 4
 SamsungGear SRemove Buy NowFitbitAltaRemove Buy NowFitbitOneRemove Buy NowGarmin645 MusicRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$130$100$450$25
Release20132016201220182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days10-14 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/an/a240 x 240120x240
Size2 inchesn/an/a1.2 inches0.95 inches
Touchn/a
TypeSuper AMOLEDOLEDOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/aSplast Resistant5 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemTizenn/an/aAMAZFIT OS
Apps
Music

All Wearables