Apple Watch SE 3 vs. Series 12 Buyer's Guide: Which Should You Buy?

The Apple Watch SE 3 starts astatine $249, portion the Apple Watch Series 12 starts astatine $399. The $150 quality buys a much precocious wellness sensing system, a larger display, longer artillery life, and much options for tracking grooming and recovery.


The 2 watches inactive stock galore features, including an always-on display, wrist somesthesia sensing, slumber apnea notifications, retrospective ovulation estimates, 5G connectivity connected cellular models, media playback, and 64GB of storage. Our usher helps to reply the question of however to determine which of these 2 Apple Watch models is champion for you. The differences betwixt the 2 models are arsenic follows:







‌Apple Watch SE 3‌
Apple Watch Series 12

Same plan arsenic Apple Watch Series 4, 5, and 6	Refined plan with a thinner casing, show with much rounded edges and a wider facet ratio, and beforehand solid that extends further implicit the sides for a higher screen-to-body ratio
40mm oregon 44mm case	42mm oregon 46mm case
Aluminum case	Aluminum, titanium, oregon ceramic case
40mm: 40 by 34 by 10.7mm 44mm: 44 by 38 by 10.7mm	42mm aluminum/titanium: 42 by 37 by 9.7mm 46mm aluminum/titanium: 46 by 40 by 9.7mm 42mm ceramic: 43 by 37 by 9.85mm 46mm ceramic: 47 by 41 by 9.85mm
Aluminum GPS weight: 26.3 grams (40mm) oregon 32.9 grams (44mm)	Aluminum GPS weight: 32.2 grams (42mm) oregon 39.5 grams (46mm)
Ion-X beforehand glass	Ceramic Shield 2 beforehand connected aluminum models; sapphire crystal beforehand connected titanium and ceramic models
No published IP6X rating	IP6X particulate resistance
LTPO OLED display	LTPO3 show with a 1Hz always-on refresh rate, allowing a unrecorded ticking seconds manus connected supported ticker faces
‌OLED‌ display	Wide-angle ‌OLED‌ display
40mm: 324 by 394 pixels 44mm: 368 by 448 pixels	42mm: 374 by 446 pixels 46mm: 416 by 496 pixels
40mm: 759 sq mm show area 44mm: 977 sq mm show area	42mm: 970 sq mm show area 46mm: 1,196 sq mm show area
Up to 1,000 nits brightness	Up to 2,000 nits brightness
2 nits minimum brightness	1 nit minimum brightness
Nylon composite and sapphire crystal back	Aluminum oregon titanium and zirconia back; ceramic and zirconia backmost connected ceramic models
S10 spot (2024)	S11 spot (2026)
2GB RAM	4GB RAM
Second-generation optical bosom sensor	Always-on optical bosom sensor
Standard inheritance bosom complaint tracking	Background bosom complaint readings each 5 seconds
Heart complaint variability tracking	Recovery HRV and much predominant wide HRV readings
Vitals app with bosom rate, respiratory rate, wrist temperature, and slumber duration	Vitals app with bosom rate, respiratory rate, wrist temperature, slumber duration, HRV, and a daytime view
	Readiness app
	Electrical bosom sensor and ECG app
	Blood oxygen sensor and Blood Oxygen app
	Hypertension notifications
Standard measurement tracking	Improved measurement tracking
	Real-time bosom complaint and steps ticker look complications
	Water somesthesia sensor
	Depth gauge to 6 meters and Depth app
	Oceanic+ app for snorkeling to 6 meters, disposable connected the App Store
	Audio Intelligence features including Siri Recap, Sound Recognition, and Shazam
	Live Rewind and ‌Siri‌ Recap, owed successful beta successful precocious 2026
Microphone	Microphone with Voice Isolation
Single, elongated talker openings	Individual talker holes
2.4GHz Wi-Fi 4	2.4GHz and 5GHz Wi-Fi 4
L1 GPS	Precision L1 GPS
	Second-generation Ultra Wideband chip
Find iPhone	Precision Finding for iPhone, with region and absorption guidance
HomePod playback controls	‌HomePod‌ playback controls and proximity-based media suggestions with a compatible Ultra Wideband ‌HomePod‌
Up to 18 hours of mean use	Up to 24 hours of mean use
Up to 32 hours successful Low Power Mode	Up to 38 hours successful Low Power Mode
Up to 7 hours of workout tracking	Up to 10 hours of workout tracking
Charges from 0 to 80% successful astir 45 minutes	Charges from 0 to 80% successful astir 30 minutes
15 minutes of charging for up to 8 hours of mean use	15 minutes of charging for up to 12 hours of mean use
8 minutes of charging for up to 8 hours of slumber tracking	5 minutes of charging for up to 10 hours of slumber tracking
Midnight and Starlight aluminum finishes	Dark Bronze, Light Gold, Black, and Space Gray aluminum finishes
	Radiant Gold and Natural titanium finishes
	Pearl White and Night Blue ceramic finishes
	Silver and Radiant Gold titanium Hermès models
40mm: $249 GPS oregon $299 GPS + Cellular 44mm: $279 GPS oregon $329 GPS + Cellular	Aluminum 42mm: $399 GPS oregon $499 GPS + Cellular Aluminum 46mm: $449 GPS oregon $549 GPS + Cellular
	Titanium models commencement astatine $699; ceramic models commencement astatine $899

If you chiefly privation a astute ticker for notifications, modular workout and slumber tracking, and an always-on display, the ‌Apple Watch SE 3‌ remains the amended value. Although it is present a twelvemonth old, it inactive represents fantabulous worth for wealth astatine $249, offering astir of the Apple Watch's halfway features for $150 little than the entry-level Series 12.

The Apple Watch Series 12 has a overmuch stronger lawsuit for anyone who uses their instrumentality to travel wellness and betterment trends. Its caller Health Sensing System enables predominant bosom complaint readings, Recovery HRV, and a Readiness people that draws connected caller activity, grooming load, vitals, and sleep. ECG, humor oxygen monitoring, and hypertension notifications adhd further capabilities unavailable connected the ‌Apple Watch SE 3‌.

Battery beingness whitethorn beryllium a decisive factor. The Apple Watch Series 12 is rated for six much hours of mean usage and 3 much hours of outdoor workout tracking. It besides charges faster, which is peculiarly utile if you deterioration your ticker overnight for slumber tracking.

The Series 12 besides offers a larger and brighter display, which makes a noticeable quality successful regular use, on with 5GHz Wi-Fi, Precision Finding for a misplaced iPhone, and premium titanium and ceramic lawsuit options. Its Audio Intelligence features see ‌Siri‌ Recap, Sound Recognition, and always-on Shazam.

If you similar the Series 12's broader wellness tracking capabilities, longer artillery life, show advantages, oregon luxury lawsuit options, the other outgo is justified. If those features are improbable to alteration however you usage oregon admit your watch, the ‌Apple Watch SE 3‌ is the much economical choice.
This article, "Apple Watch SE 3 vs. Series 12 Buyer's Guide: Which Should You Buy?" archetypal appeared connected MacRumors.com

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