Samsung Gear S2 vs. TomTom Spark vs. Garmin 645 Music vs. Samsung Live vs. Fitbit Alta HR

 
Gear S2
Spark
645 Music
Live
Alta HR
 SamsungGear S2Remove Buy NowTomTomSparkRemove Buy NowGarmin645 MusicRemove Buy NowSamsungLiveRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$300$150$450$200$150
Release20152015201820142017

Activity & Fitness

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

Battery

Duration2-3 daysn/a7 days1 Day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a240 x 240320 x 320128 x 36
Size1.2 inchesn/a1.2 inches1.63 inches1.4 inches
Touch
TypeSuper AMOLEDLCDMIPSuper AMOLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATMIP67

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemTizenn/aAndroid Wear
Apps
Music

All Wearables