Fitbit Flex 2 vs. Huawei Watch 2 vs. Garmin Forerunner 235 vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Flex 2
Watch 2
Forerunner 235
Vivosmart 4
GTS
 FitbitFlex 2Remove Buy NowHuaweiWatch 2Remove Buy NowGarminForerunner 235Remove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$350$299.99$130$150
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours9 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a480 x 480215 x 18048 x 128348 x 442
Sizen/a1.38 inches1.23 inches0.74 inches1.65 inches
Touchn/a
TypeLEDP-OLEDMIPOLEDAMOLED

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 OS
Apps
Music

All Wearables