Huawei Watch vs. Fitbit Flex 2 vs. Fitbit One vs. Casio G-Shock GBA800 vs. Amazfit T-Rex

 
Watch
Flex 2
One
G-Shock GBA800
T-Rex
 HuaweiWatchRemove Buy NowFitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$349$100$100$120$140
Release20152016201220182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days10-14 days2 years20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution400 x 400n/an/a360 x 360
Size1.4 inchesn/an/a1.3 inches
Touchn/a
TypeAMOLEDLEDOLEDAMOLED

Functions

Audio Speakern/a
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMSplast Resistant20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aBuild-in
Apps
Musicn/a

All Wearables