Fitbit Flex 2 vs. Garmin Fenix 5 vs. Polar M430 vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
Flex 2
Fenix 5
M430
G-Shock GBA800
T-Rex
 FitbitFlex 2Remove Buy NowGarminFenix 5Remove Buy NowPolarM430Remove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$599.99$255$120$140
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 Weeks30 hours2 years20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240128x128360 x 360
Sizen/a1.2 inches1.4 inch1.3 inches
Touchn/a
TypeLEDnaLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM10 ATMWR3020 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aBuild-in
Apps
Music

All Wearables