Apple Watch Series 12 / Samsung Galaxy Watch5 Pro 45 mm

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

Samsung Galaxy Watch5 Pro 45 mm: The Galaxy Watch5 Pro comes only in 45 mm, in Bluetooth (SM-R920) and LTE (SM-R925) versions. The Best Buy Canada reviews belong to the LTE Black model. The Galaxy Watch5 (40/44 mm aluminium) and the Golf Edition are different products.

SpecificationApple Watch Series 12Samsung Galaxy Watch5 Pro 45 mm
Release year20262022
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		1.4-inch (34.6 mm) 450 × 450 Super AMOLED; full-colour Always On Display; sapphire crystal

Sapphire crystal resists scratches better than mineral and aluminosilicate glass; the raised bezel around the screen protects the glass from knocks.

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 AppleSamsung BioActive (optical heart rate, electrical heart signal, bioelectrical impedance); temperature sensor; accelerometer, barometer, gyroscope, magnetometer, light

Bioelectrical impedance analysis estimates values such as body fat and skeletal muscle; results are not for medical diagnosis.

Samsung
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		—
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

5ATM covers surface water activities such as swimming, not diving or high-pressure water. MIL-STD-810H is a set of military test methods, not a guarantee of impact resistance.

Samsung
ConnectivityWi-Fi 4 (2.4 and 5 GHz); Bluetooth 5.3; second-generation UWB; multi-constellation GPS; RedCap 5G on cellular models AppleLTE (LTE model); Bluetooth 5.2; Wi-Fi 2.4 + 5 GHz; NFC; GPS, GLONASS, BeiDou, Galileo Samsung
CompatibilitywatchOS 27; iPhone 11 or later (including iPhone SE 2nd generation or later) running iOS 27 Apple—
Case and colour—Titanium case with D-Buckle Sport Band; Black Titanium or Gray Titanium

The D-Buckle band uses a folding clasp so the strap sits at the same point every time, in place of a standard pin buckle.

Samsung
Processor and memory—Exynos W920 dual-core 1.18 GHz; 1.5 GB RAM, 16 GB storage Samsung
Battery and charging—590 mAh (typical); WPC-based fast wireless charging

Samsung says the battery is 60% larger than the Galaxy Watch4’s.

Samsung
Software—Launched with Wear OS 3.5 and One UI Watch 4.5; needs an Android 8.0+ phone with more than 1.5 GB of RAM

Wear OS 3 and later do not work with iPhone. Blood pressure and ECG work only in markets supported by Samsung Health Monitor and with Galaxy phones.

Samsung
Navigation—GPX route import (Route Workout), turn-by-turn directions and Track Back

Track Back follows the recorded path in reverse to help you return to the start.

Samsung
Size and weight—45.4 × 45.4 × 10.5 mm; 46.5 g (without band) Samsung