Apple Watch Series 9 vs. Series 12 Buyer's Guide: Is It Worth Upgrading?

The Apple Watch Series 12 is present available, 3 years aft the Series 9. In that time, Apple has introduced a thinner design, larger displays, faster charging, caller h2o sensors, and a substantially much susceptible wellness sensing system. Is that capable to warrant replacing a Series 9?


Apple discontinued the Series 9 successful 2024. The older ticker inactive supports watchOS 27, truthful the determination comes down to the hardware and features you would gain. Here are the cardinal differences betwixt the Apple Watch Series 9 and Series 12:







Apple Watch Series 9
Apple Watch Series 12

41mm and 45mm cases, 10.7mm thick	42mm and 46mm cases, 9.7mm heavy successful aluminum and titanium; ceramic cases are 9.85mm thick
Aluminum oregon stainless alloy case	Aluminum, titanium, oregon ceramic case
Aluminum: Silver, Starlight, Midnight, Pink, and (PRODUCT)RED	Aluminum: Dark Bronze, Light Gold, Black, and Space Gray
Stainless steel: Silver, Gold, and Graphite	Titanium: Radiant Gold and Natural Ceramic: Pearl White and Night Blue
Ion-X beforehand solid connected aluminum models; sapphire crystal connected stainless alloy models	Ceramic Shield 2 connected aluminum models; sapphire crystal connected titanium and ceramic models
Ceramic and sapphire crystal back	Case-matched metallic oregon ceramic and zirconia back
41mm: 904 sq mm show area 45mm: 1,143 sq mm show area	42mm: 970 sq mm show area 46mm: 1,196 sq mm show area
LTPO OLED Always-On Retina display	LTPO3 wide-angle ‌OLED‌ Always-On Retina show with a 1Hz refresh rate, enabling a unrecorded ticking seconds manus connected prime ticker faces
S9 chip	S11 spot
2GB RAM	4GB RAM
Electrical bosom sensor	Second-generation electrical bosom sensor
Third-generation optical bosom sensor	Fourth-generation, always-on optical bosom sensor
Periodic inheritance bosom complaint readings	Background bosom complaint readings each 5 seconds
Heart complaint variability (HRV) measurements	Recovery HRV and wide HRV, measured up to 24 times much frequently
Vitals app with overnight wellness metrics	Vitals app with Recovery HRV and a daytime vitals view
	Readiness app with a regular people and recommendation
Step tracking	Redesigned measurement tracking and a Steps ticker look complication
Wrist somesthesia sensor	Wrist and h2o somesthesia sensors
	Depth gauge to 6 meters and Depth app
Microphone	Microphone with Voice Isolation
Speaker	Redesigned talker with media playback
	Audio Intelligence, including Sound Recognition, faster Shazam, Live Rewind, and Siri Recap
LTE and UMTS connected cellular models	LTE and 5G RedCap connected cellular models
Up to 18 hours of mean use; up to 36 hours successful Low Power Mode	Up to 24 hours of mean use; up to 38 hours successful Low Power Mode
Up to 80% complaint successful astir 45 minutes	Up to 80% complaint successful astir 30 minutes; 15 minutes of charging provides up to 12 hours of mean use
Now discontinued	From $399

Design

The Series 12 uses a akin mentation of the thinner plan introduced with the Series 10. Its show country is astir 7% larger successful the smaller size and 5% larger successful the larger size than the corresponding Series 9 models. The Series 12 figures beneath are for aluminum models; its ceramic cases are somewhat larger and heavier:




Apple Watch Series 9
Apple Watch Series 12


Smaller case




Larger case




Smaller aluminum model, GPS




Larger aluminum model, GPS




Smaller aluminum model, cellular




Larger aluminum model, cellular

41mm × 35mm × 10.7mm	42mm × 37mm × 9.7mm
45mm × 38mm × 10.7mm	46mm × 40mm × 9.7mm
31.9 grams	32.2 grams
38.7 grams	39.5 grams
32.1 grams	31.5 grams
39.0 grams	38.6 grams

The Series 12 is noticeably thinner, but the comparable aluminum GPS models are somewhat heavier than their Series 9 counterparts. Buyers moving from a stainless alloy Series 9 to a titanium Series 12 volition spot a much important value simplification due to the fact that the lawsuit worldly has changed.

Is It Worth Upgrading?

For Series 9 owners, the Series 12 is simply a meaningful cumulative upgrade, peculiarly if you usage your ticker for grooming and recovery. Its much predominant bosom complaint and HRV readings enactment Readiness, Recovery HRV, and daytime vitals, portion the redesigned lawsuit provides a larger, squarer show with a much modern feel. The extent gauge and h2o somesthesia sensor besides adhd utile accusation for swimmers and snorkelers.

Those improvements are little compelling if you chiefly usage your ticker for notifications, mundane enactment tracking, and occasional workouts. The Series 9 inactive has an always-on display, ECG, wrist somesthesia sensing, Double Tap, slumber apnea and hypertension notifications, and enactment for ‌watchOS 27‌. ‌Siri‌ AI is besides disposable connected the Series 9 erstwhile paired with a compatible iPhone.

The Series 12 besides has a somewhat larger artillery and charges faster, but apt not by capable to warrant an upgrade alone. The Series 12's Audio Intelligence features whitethorn fortify the lawsuit for immoderate users, particularly Sound Recognition for radical who are deaf oregon hard of hearing. Live Rewind and ‌Siri‌ Recap volition get successful beta successful precocious 2026.

Which to Buy Today?

For a caller purchase, the Series 12 is intelligibly the amended choice. It offers 3 generations of accumulated improvements astatine the aforesaid $399 starting terms the Series 9 had erstwhile new. The older exemplary makes consciousness lone astatine a important discount if you are satisfied with its existing wellness features.

A utilized oregon refurbished Series 9 tin inactive beryllium bully value, but cheque its artillery health, carnal condition, and warranty earlier comparing prices. A worn artillery could rapidly erase the saving.
This article, "Apple Watch Series 9 vs. Series 12 Buyer's Guide: Is It Worth Upgrading?" archetypal appeared connected MacRumors.com

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