Fitbit Surge vs. Amazfit Stratos vs. Asus ZenWatch vs. Fitbit Flex vs. Amazfit GTS

 
Surge
Stratos
ZenWatch
Flex
GTS
 FitbitSurgeRemove Buy NowAmazfitStratosRemove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$199$150$100$150
Release20162018201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysNA5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300320 x 320NA348 x 442
Size1.26 inches1.34 inches1.63 inchesNA1.65 inches
TouchNA
TypeMonochrome LCDOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP551 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aProprietaryAndroid WearNAWear OS
Apps
Music

All Wearables