Apple Watch SE 3 vs Apple Watch Series 9 GPS comparison

Show Only Differences Highlight Differences	Apple Watch SE 3	Apple Watch Series 9 GPS
key specs
Dial Shape	Square	Rectangle
Ideal For	Unisex	Unisex
Strap Material	-	Silicone
Display Type	-	OLED Retina
general
Brand	Apple	Apple
Model	Watch SE 3	Watch Series 9 GPS
Release date	September 9, 2025	September 12, 2023
Model Name	Watch SE 3	Watch Series 9 GPS
Dial Shape	Square	Rectangle
Size	Regular	Regular
Interchangeable Strap	Yes	Yes
Dial Material	Aluminum	-
Ideal For	Unisex	Unisex
Strap Material	-	Silicone
Touchscreen	-	Yes
Water Resistant	-	Yes
Water Resistance Depth	-	5ATM
Usage	-	Fitness & Outdoor
product details
Compatible Device	iPhone 11 and above	iOS
Battery Life	Up to 24 hours	18 hours
Charger Type	Wireless	-
Sensor	-	Compass, Always-On Altimeter, optical heart rate sensor, Accelerometer, Gyroscope and Ambient light sensor
Notification	-	Yes
Rechargeable Battery	-	Yes
connectivity features
Call Function	Yes	Yes
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Messaging Support	Yes	Yes
Bluetooth	-	Yes
Email Support	-	Yes
Call Features	-	International Emergency Calling
Other Connectivity Features	-	Emergency SOS
platform and storage features
Operating System	WatchOS 26	watchOS
Processor Name	Apple S10	S9
Number of Cores	-	dual-core
Internal Memory	-	64GB
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Compass	Yes	Yes
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Date & Time Display	Yes	Yes
Heart Rate Monitor	-	Yes
Altimeter	-	Yes
Language	-	English
Number of Buttons	-	2
Other Fitness Features	-	Blood Oxgen Sensor, ECG sensor
camera and display features
Display Type	-	OLED Retina
Backlight Display	-	Yes
Other Display Features	-	LTPO OLED Always-On Retina display, up to 2000 nits of peak brightness
audio and video features
Speaker	-	Yes
Gesture Control	-	Yes
Microphone	-	Yes
Voice Control	-	Yes

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