Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Pebble Core vs. Polar Loop vs. Amazfit T-Rex

 
Flex 2
G-Shock GBA800
Core
Loop
T-Rex
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowPebbleCoreRemove Buy NowPolarLoopRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$120$99$100$140
Release20162018201620132019

Activity & Fitness

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

Battery

Duration5 days2 yearsNA5 days20 days
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/aNANA360 x 360
Sizen/aNANA1.3 inches
Touchn/aNA
TypeLEDNALEDAMOLED

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATMNA2 ATM5 ATM

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aNANABuild-in
Apps
Music

All Wearables