Samsung Gear S vs. Samsung Gear 2 vs. Garmin Forerunner 45 vs. Fitbit Inspire HR vs. Amazfit GTR

 
Gear S
Gear 2
Forerunner 45
Inspire HR
GTR
 SamsungGear SRemove Buy NowSamsungGear 2Remove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$300$199$99$199
Release20132014201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Durationn/a2-3 days7 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360320 x 320208 x 208139 x 60454 x 454
Size2 inches1.63 inches1.04 inches1.4 inches1.39 inches
Touch
TypeSuper AMOLEDSuper AMOLEDLCDOLEDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP675 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenTizen OSBuilt-inFitbit OSBuild-in
Apps
Music

All Wearables