Samsung Gear S2 vs. Samsung Gear Fit2 vs. Garmin Forerunner 935 vs. Garmin 645 Music vs. Amazfit GTS

 
Gear S2
Gear Fit2
Forerunner 935
645 Music
GTS
 SamsungGear S2Remove Buy NowSamsungGear Fit2Remove Buy NowGarminForerunner 935Remove Buy NowGarmin645 MusicRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$300$180$500$450$150
Release20152016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days3-4 daysUp to 2 weeks7 days14 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360432 x 216240 x 240240 x 240348 x 442
Size1.2 inches1.5 inches1.2 inches1.2 inches1.65 inches
Touch
TypeSuper AMOLEDSuper AMOLEDLCDMIPAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizenWear OS
Apps
Music

All Wearables