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Apple Watch Series 12 vs Apple Watch Series 3 GPS Smartwatch

Apple Watch Series 12 vs Apple Watch Series 3 GPS Smartwatch comparison

Show Only Differences Highlight Differences	Apple Watch Series 12	Apple Watch Series 3 GPS Smartwatch
ratings
Overall NDTV Rating	Read Review	-
Design and comfort Rating		-
Tracking accuracy Rating		-
Companion app Rating		-
Software and ecosystem Rating		-
Battery life Rating		-
key specs
Display Size	46mm	42mm
Dial Shape	Rectangle	Rectangle
Display Type	OLED Retina	OLED Retina
Ideal For	Unisex	Unisex
Strap Colour	-	Space Grey
Compatible OS	-	iOS 10 and Above
Strap Material	-	Silicone
general
Brand	Apple	Apple
Model	Watch Series 12	Watch Series 3 GPS Smartwatch
Release date	September 9, 2026	-
Dial Shape	Rectangle	Rectangle
Usage	Regular, Sports	Fitness & Outdoor
Ideal For	Unisex	Unisex
Model Number	-	MR362HN/A
Model Name	-	Watch Series 3 GPS
Strap Material	-	Silicone
Size	-	Regular
Touchscreen	-	Yes
Water Resistant	-	Yes
Water Resistance Depth	-	50 m
Dial Material	-	Aluminum
Strap Colour	-	Space Grey
Dial Colour	-	Grey
product details
Sensor	New optical and electrical heart sensors, optical heart sensor	Barometric Altimeter, Heart Rate Sensor, Accelerometer, Gyroscope, Ambient Light Sensor, Built-In Gps And Glonass
Compatible Device	iPhone 11 or later, or iPhone SE (2nd generation or later), with iOS 27 or later	Iphone 5, 5C, 5S, Se, 6, 6 Plus, 6S, 6S Plus, 7 , 7 Plus, 8, 8 Plus, X And Ios 10 Or Later
Battery Life	24 hours	Upto 18 hours
Charger Type	Magnetic charging port	-
Rechargeable Battery	Yes	Yes
Other Features	Readiness score, Siri AI	-
Notification	-	Messages, Calendar, Mail
Battery Type	-	Lithium Ion
Charge Time	-	90 min
connectivity features
Call Function	Yes	No
Bluetooth	Yes	Yes
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth Version	-	v4.2
Other Connectivity Features	-	Wi-Fi (802.11B/G/N)
platform and storage features
Operating System	watchOS 27	4
Processor Name	Apple S11 chip	S3 Dual Core Processor
Compatible Operating System	-	iOS 10 and Above
Internal Memory	-	8 GB
camera and display features
Display Resolution	416 × 496	312 x 390 Pixels
Display Size	46mm	42mm
Display Type	OLED Retina	OLED Retina
Scratch Resistant	Ceramic Shield 2 on aluminium models	Yes
Other Display Features	Up to 2,000 nits brightness, LTPO3, Always-On display	Ion-X (Strengthened Glass), Support Force Touch
fitness and watch functions
Step Count	Yes	Yes
Calorie Count	Yes	Yes
Heart Rate Monitor	Yes	Yes
Altimeter	Yes	Yes
Compass	Yes	-
Calendar	Yes	Yes
Alarm Clock	Yes	Yes
Chronograph	Yes	-
Date & Time Display	Yes	Yes
Language	English	-
Number of Buttons	2	2
Other Fitness Features	ECG, sleep tracking, sleep score, sleep apnoea notifications, heart rate notifications, HRV, readiness score, VO2 max, heart rate zones, Training Load, workout tracking, cycle tracking, step tracking, GPS, elevation tracking	Built In Fitness Tracker: Steps Count, Distance And Calories Burned
audio and video features
Speaker	Yes	-
Gesture Control	Yes	-
Microphone	Yes	-
Voice Control	Siri AI	-

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