Pebble 2 vs. Amazfit Cor vs. Casio WSD-F20A vs. Garmin Forerunner 45 vs. Amazfit T-Rex

 
2
Cor
WSD-F20A
Forerunner 45
T-Rex
 Pebble2Remove Buy NowAmazfitCorRemove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 45Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$129$79.99$399$199$140
Release20162018201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days12 days1 day7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a80 x 160320 x 320208 x 208360 x 360
Sizen/a1.23 inches1.32 inches1.04 inches1.3 inches
Touch
Typee-paperIPS LCDLCDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSBuilt-inBuild-in
Apps
Music

All Wearables