Samsung Gear S vs. Fitbit Charge 2 vs. TomTom Touch vs. Garmin 645 Music vs. Amazfit GTR

 
Gear S
Charge 2
Touch
645 Music
GTR
 SamsungGear SRemove Buy NowFitbitCharge 2Remove Buy NowTomTomTouchRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$150$130$450$199
Release20132016201620182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/an/a240 x 240454 x 454
Size2 inchesn/a0.91 inches1.2 inches1.39 inches
Touchn/a
TypeSuper AMOLEDOLEDn/aMIPAMOLED

Functions

Audio Speaker
Clockn/a
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/aIPX75 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/an/aBuild-in
Apps
Music

All Wearables