Samsung Gear S vs. TomTom Spark vs. Microsoft Band 2 vs. Xiaomi Mi Band 4

 
Gear S
Spark
Band 2
Mi Band 4
 SamsungGear SRemove Buy NowTomTomSparkRemove Buy NowMicrosoftBand 2Remove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$250$150$250$25
Release2013201520152019

Activity & Fitness

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

Battery

Durationn/an/a48 hours (without GPS)20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution480 x 360n/a320 x 128120x240
Size2 inchesn/a1.36 inches0.95 inches
Touch
TypeSuper AMOLEDLCDCapacitative TFTAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIPX75 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemTizenn/an/aAMAZFIT OS
Apps
Music

All Wearables