Fitbit Surge vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Garmin Forerunner 45 vs. Apple Watch 7

 
Surge
ZenWatch 3
Flex
Forerunner 45
Watch 7
 FitbitSurgeRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$250$229$100$199$429
Release20162017201320192021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days48 hours5 days7 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400NA208 x 208396 x 484
Size1.26 inches1.39 inchesNA1.04 inches1.9 inches
TouchNA
TypeMonochrome LCDAMOLEDLEDLCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NABuilt-inWatchOS 8
Apps
Music

All Wearables