Samsung Gear S2 vs. Fitbit Flex 2 vs. Garmin Forerunner 45 vs. Huawei Band 3 Pro vs. Amazfit GTR

 
Gear S2
Flex 2
Forerunner 45
Band 3 Pro
GTR
 SamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowGarminForerunner 45Remove Buy NowHuaweiBand 3 ProRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$100$199$70$199
Release20152016201920182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days7 days12 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a208 x 208454 x 454454 x 454
Size1.2 inchesn/a1.04 inches1.39 inches1.39 inches
Touchn/a
TypeSuper AMOLEDLEDLCDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM5 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aBuilt-inAMAZFIT OSBuild-in
Apps
Music

All Wearables