ASUS ZenWatch 3 WI503Q vs. Apple Watch SE (GPS) 2nd generation

Smartwatch Comparison, Reviews and Tests

In depth comparison and review of ASUS ZenWatch 3 WI503Q and Apple Watch SE (GPS) 2nd generation. Compare sizes, functions, displays, batteries and other important specifications and features to easily choose the right smartwatch for you. Our goal is to help you uncover differences between the products and find the watch that will best fit your needs.

Smartwatch Specifications Comparison

ASUS ZenWatch 3 WI503Q vs. Apple Watch SE (GPS) 2nd generation Comparison Chart
GENERAL ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Product Type Smart watch Smart watch
Operating System Android Wear WatchOS
Supported Host Device OS Android 4.3 (Jelly Bean) or later, iOS 8.2 or later iOS 16 or later
Wearing Style Watch style Watch style
Audio Input Microphone Microphone
Audio Output Speaker Speaker
Body Details Main unit: 60 g
Wrist strap: 20 g
Case only: 26.4 g
Body Material 316L stainless steel alloy Aluminium
Protection Waterproof Water-resistant
Clock Display Yes Yes
FEATURES ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Sensors Ambient light sensor, 6-axis accelerometer Accelerometer, ambient light sensor, digital compass, barometer, gyroscope, always-on altimeter, optical heart sensor (2d gen)
Tracking Data Distance, calories burned, activity, steps taken Distance, time, calories burned, activity, sleep activity, heart rate, sleep stages, menstrual cycle
Goal Setting Yes Yes
Features Call handling, camera remote control, phone unlocking Call handling, music remote handling, camera remote control, Fall detection, Emergency SOS, Family Setup support, International Emergency Calling, Crash Detection, noise monitoring, Compass Waypoint, brightness: 1000 nits
Notifications Calendar, SMS, Email Calendar, SMS, Email, high and low heart rate, irregular rhythm, cardio fitness
Vibrating Alert Yes Yes
Feedback Type - Audio alert, vibration alert, visual interface
Navigation (GPS) - GPS/GLONASS/Galileo/QZSS receiver
Payment Technology - Apple Pay
Internet of Things (IoT) Compatible - Yes
IoT Intelligent Assistant - Siri
IoT Voice Controlled - Direct
CONNECTIVITY ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Wireless Interface IEEE 802.11b/g/n, Bluetooth 4.1 IEEE 802.11b/g/n, Bluetooth 5.0
DISPLAY ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Type AMOLED - colour Retina LTPO OLED - colour
Resolution 400 x 400 pixels 324 x 394 pixels
Screen Size 1.39" -
Pixel Density 287 ppi -
Screen Protection Corning Gorilla Glass 3 (scratch resistant glass), 2.5D Arc Glass Ion-X glass
INPUT DEVICE ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Touchscreen Technology Capacitive -
Type Touch sensitive screen (multi-touch) Touch sensitive screen
CASE ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Case Size 45 mm 40 mm
Case Shape Round Rectangular
Case Back - Sapphire crystal and ceramic back
Case Details Gunmetal Midnight aluminium | Silver aluminium | Starlight aluminium
Crown Type - Digital with haptic feedback
BAND ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Band Type Band Sport band
Band Size - Regular
Band Width 22 mm -
Fits Wrist with Circumference - 130-200 mm
Changeable Yes Yes
Clasp Type - Pin-and-tuck
Band Material Leather Fluoroelastomer
Band Colour Dark brown Midnight | Starlight
STORAGE ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Storage Capacity 4 GB 32 GB
RAM ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
RAM Size 512 MB -
CPU ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Manufacturer Qualcomm Apple
CPU Type Snapdragon Wear 2100 S8 SiP
Features - W3 Apple wireless chip
BATTERY ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Technology Lithium polymer Lithium Ion
Capacity 340 mAh -
Battery Life - 18 hours
Rechargeable Battery - Yes
Wireless Charging - Yes
MISCELLANEOUS ASUS ZenWatch 3 WI503Q Apple Watch SE (GPS) 2nd generation
Included Accessories Power adapter, magnetic charging cable Magnetic charger to USB-C cable (1 m)
Preloaded Software Stopwatch, Alarm, Timer Apple Pay, GymKit
Compliant Standards IP67 -
SAR Value - 0.24 W/kg (head), 0.07 W/kg (limb)
Max Depth of Water Resistance 1 m 50 m
Manufacturer Model Number - A2722
Warranty 1-year warranty 1-year warranty
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