Samsung Gear S2 vs. Huawei Talkband B2 vs. Casio WSD-F20A vs. Garmin Forerunner 45

 
Gear S2
Talkband B2
WSD-F20A
Forerunner 45
 SamsungGear S2Remove Buy NowHuaweiTalkband B2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$300$180$399$199
Release2015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days3 days1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360128 x 88320 x 320208 x 208
Size1.2 inches0.73 inches1.32 inches1.04 inches
Touch
TypeSuper AMOLEDPMOLEDLCDLCD

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68IP575 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSBuilt-in
Apps
Music

All Wearables