Casio WSD-F20A vs. Fitbit Versa vs. Pebble Core vs. Mobvoi TicWatch S2 vs. Amazfit T-Rex

 
WSD-F20A
Versa
Core
TicWatch S2
T-Rex
 CasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowPebbleCoreRemove Buy NowMobvoiTicWatch S2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$199.99$99$180$140
Release20182018201620192019

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration1 day4 daysNA2 DAYS20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320300 x300NA400 x 400360 x 360
Size1.32 inches1.34 inchesNA1.39 inches1.3 inches
TouchNA
TypeLCDOLEDNAOLEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMNA5 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWear OSNAWear OSBuild-in
Apps
Music

All Wearables