Samsung Gear S2 vs. Acer Liquid Leap vs. Garmin Forerunner 45 vs. Fitbit Inspire HR vs. Amazfit T-Rex

 
Gear S2
Liquid Leap
Forerunner 45
Inspire HR
T-Rex
 SamsungGear S2Remove Buy NowAcerLiquid LeapRemove Buy NowGarminForerunner 45Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$90$199$99$140
Release20152015201920192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 to 7 days7 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360128 x 32208 x 208139 x 60360 x 360
Size1.2 inches1 inch1.04 inches1.4 inches1.3 inches
Touch
TypeSuper AMOLEDOLEDLCDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IPX45 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenBuilt-inFitbit OSBuild-in
Apps
Music

All Wearables