Samsung Gear S vs. Polar Loop 2 vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Amazfit GTS

 
Gear S
Loop 2
Forerunner 935
645 Music
GTS
 SamsungGear SRemove Buy NowPolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$120$500$450$150
Release20132015201720182019

Activity & Fitness

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

Battery

Durationn/a8 days (without notifications)Up to 2 weeks7 days14 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/a240 x 240240 x 240348 x 442
Size2 inchesn/a1.2 inches1.2 inches1.65 inches
Touch
TypeSuper AMOLEDLEDLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP672 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OS
Apps
Music

All Wearables