Samsung Gear S2 vs. Polar Loop 2 vs. Casio WSD-F20A vs. Garmin Vivosmart 4 vs. HTC re Grip

 
Gear S2
Loop 2
WSD-F20A
Vivosmart 4
re Grip
 SamsungGear S2Remove Buy NowPolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminVivosmart 4Remove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$300$120$399$130$199
Release20152015201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days8 days (without notifications)1 day7 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a320 x 32048 x 128160 x 32
Size1.2 inchesn/a1.32 inches0.74 inches1.8 inches
Touch
TypeSuper AMOLEDLEDLCDOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP682 ATM5 ATM5 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSNA
Apps
Music

All Wearables