Samsung Gear S vs. Sony SmartWatch 3 vs. Fitbit Flex 2 vs. Garmin Forerunner 45 vs. Amazfit GTR

 
Gear S
SmartWatch 3
Flex 2
Forerunner 45
GTR
 SamsungGear SRemove Buy NowSonySmartWatch 3Remove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 45Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$250$250$100$199$199
Release20132014201620192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2 days5 days7 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution480 x 360320 x 320n/a208 x 208454 x 454
Size2 inches1.6 inchesn/a1.04 inches1.39 inches
Touchn/a
TypeSuper AMOLEDTFT LCDLEDLCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenAndroid Wearn/aBuilt-inBuild-in
Apps
Music

All Wearables