Garmin Fenix 3 vs. Fitbit Alta vs. Garmin 645 Music vs. Samsung Gear 2 vs. Amazfit GTS

 
Fenix 3
Alta
645 Music
Gear 2
GTS
 GarminFenix 3Remove Buy NowFitbitAltaRemove Buy NowGarmin645 MusicRemove Buy NowSamsungGear 2Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$500$130$450$300$150
Release20152016201820142019

Activity & Fitness

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

Battery

Duration50 hours to 6 weeks5 days7 days2-3 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution218 x 218n/a240 x 240320 x 320348 x 442
Size1.2 inchesn/a1.2 inches1.63 inches1.65 inches
Touchn/a
TypeChroma LEDOLEDMIPSuper AMOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance10 ATMn/a5 ATMIP675 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aTizen OSWear OS
Apps
Music

All Wearables