Apple Watch Series 12 / Samsung Galaxy Watch7 44 mm Bluetooth

Apple Watch Series 12: 42 / 46 mm · Case material options

Samsung Galaxy Watch7 44 mm Bluetooth: Galaxy Watch7 44 mm Bluetooth (SM-L310); Green and Silver. The 40 mm (SM-L300), the LTE versions and the Galaxy Watch Ultra are separate models.

SpecificationApple Watch Series 12Samsung Galaxy Watch7 44 mm Bluetooth
Release year20262024
ProcessorS11; 64-bit dual-core; 4-core Neural Engine Apple—
Storage64 GB Apple—
DisplayAlways-On Retina LTPO3 OLED; 326 ppi; 2000 nits peak, 1 nit minimum; 46 mm: 416 × 496; 42 mm: 374 × 446

LTPO3 drops to 1 Hz in Always-On mode to save power.

Apple		Super AMOLED; 480 × 480 (about 327–330 ppi); 2000 nits

The 2000-nit peak helps readability in sunlight; using the always-on display shortens battery life.

Samsung
Cover glassAluminium: Ceramic Shield 2; titanium/ceramic: sapphire Apple—
Case and material42 / 46 mm; aluminium, titanium or ceramic

Ceramic cases are slightly larger and thicker (9.85 mm); aluminium and titanium are 9.7 mm.

Apple		—
Rated battery lifeUp to 24 hours normal use; up to 38 hours Low Power Mode; up to 10 hours workout tracking

Apple's test profile; actual use varies.

Apple		—
Rated charging timeAbout 80% in 30 minutes; 15 minutes gives up to 12 hours of normal use

Apple measured these with a 20 W adapter that is not included; a USB-C fast-charging cable is in the box.

Apple		—
SensorsSecond-generation electrical and always-on optical heart sensors; blood oxygen; temperature; compass; always-on altimeter; high-g accelerometer; depth gauge to 6 m; water temperature Apple—
Health featuresECG; irregular rhythm and high/low heart rate notifications; hypertension and sleep apnoea notifications; sleep score; Vitals; Readiness

Some health features are limited by country and age; blood oxygen and temperature are not for medical use.

Apple		Sleep apnea detection; Energy Score; AGEs Index (Labs, experimental)

Energy Score turns sleep, activity and heart data into a daily readiness score; AGEs Index is experimental and not for diagnosis.

Samsung
Weight46 mm aluminium GPS 39.5 g; titanium 44.9 g; 42 mm aluminium GPS 32.2 g; titanium 36.5 g Apple—
Durability50 m water resistance (ISO 22810:2010); IP6X dust

For swimming and snorkelling to 6 m, not scuba diving. Resistance can diminish over time.

Apple		5ATM, IP68, MIL-STD-810H; Armor Aluminum case

5ATM describes water resistance suitable for surface swimming; it is not for diving or high-speed water sports.

Samsung
ConnectivityWi-Fi 4 (2.4 and 5 GHz); Bluetooth 5.3; second-generation UWB; multi-constellation GPS; RedCap 5G on cellular models AppleBluetooth 5.3; Wi-Fi 2.4 + 5 GHz; NFC

This version has no cellular connection; calls and notifications come through the paired phone.

Samsung
CompatibilitywatchOS 27; iPhone 11 or later (including iPhone SE 2nd generation or later) running iOS 27 Apple—
Processor and memory—Exynos W1000 (5 cores, 3 nm, 1.6 GHz); 2 GB RAM, 32 GB storage Samsung
Battery and charging—425 mAh; WPC-based fast wireless charging

A fast wireless charging puck is in the box, but no wall adapter.

Samsung
Location—Dual-frequency GPS (L1 + L5)

The L5 band helps separate signals reflected by tall buildings and trees; dual-frequency mode can increase battery use.

Samsung
Health sensors—BioActive sensor: heart rate, irregular heart rhythm notification (IHRN), ECG, blood pressure, BIA body composition; continuous SpO2; skin temperature

Availability of ECG and blood pressure depends on country and paired phone; blood pressure measurement is not offered in the US.

Samsung
Size and weight—44.4 × 44.4 × 9.7 mm; 33.8 g (without strap) Samsung
Feedback—Microphone, speaker, vibration motor Samsung
Colours—Green, Silver Samsung