Fitbit Surge vs. Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Amazfit GTS

 
Surge
Alta
ZenWatch 3
Flex
GTS
 FitbitSurgeRemove Buy NowFitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$250$130$229$100$150
Release20162016201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days48 hours5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a400 x 400NA348 x 442
Size1.26 inchesn/a1.39 inchesNA1.65 inches
Touchn/aNA
TypeMonochrome LCDOLEDAMOLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMn/a1 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aAndroid Wear 2NAWear OS
Apps
Music

All Wearables