Garmin Forerunner 225 vs. Samsung Gear S2 vs. Garmin 645 Music vs. LG G Watch R vs. Amazfit GTS

 
Forerunner 225
Gear S2
645 Music
G Watch R
GTS
 GarminForerunner 225Remove Buy NowSamsungGear S2Remove Buy NowGarmin645 MusicRemove Buy NowLGG Watch RRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$300$450$300$150
Release20152015201820142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10 hours to 4 weeks2-3 days7 days2 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution180 x 180360 x 360240 x 240320 x 320348 x 442
Size1 inch1.2 inches1.2 inches1.3 inches1.65 inches
Touch
Typen/aSuper AMOLEDMIPP-OLEDAMOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATMIP675 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aTizenAndroid WearWear OS
Appsn/a
Musicn/a

All Wearables