Casio WSD-F20A vs. Pebble Time 2 vs. Pebble Core vs. Polar Loop vs. Amazfit T-Rex

 
WSD-F20A
Time 2
Core
Loop
T-Rex
 CasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$399$199$99$100$140
Release20182016201620132019

Activity & Fitness

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

Battery

Duration1 day10 daysNA5 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NANANA360 x 360
Size1.32 inchesNANANA1.3 inches
TouchNA
TypeLCDe-paperNALEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMNA2 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWear OSPebble OSNANABuild-in
Apps
Music

All Wearables