Fitbit Flex 2 vs. Huawei Watch 2 vs. Casio WSD-F20A vs. Garmin Forerunner 235 vs. Amazfit T-Rex

 
Flex 2
Watch 2
WSD-F20A
Forerunner 235
T-Rex
 FitbitFlex 2Remove Buy NowHuaweiWatch 2Remove Buy NowCasioWSD-F20ARemove Buy NowGarminForerunner 235Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$350$399$299.99$140
Release20162017201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours1 day9 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 480320 x 320215 x 180360 x 360
Sizen/a1.38 inches1.32 inches1.23 inches1.3 inches
Touchn/a
TypeLEDP-OLEDLCDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP685 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSBuild-in
Apps
Music

All Wearables