Apple Watch Series 9 (45 mm, GPS, aluminium) / Samsung Galaxy Watch5 Pro 45 mm

Apple Watch Series 9 (45 mm, GPS, aluminium): 45 mm aluminium case, GPS model; Pink, Midnight, Starlight, Silver and (PRODUCT)RED. The 41 mm, GPS + Cellular and stainless steel (sapphire crystal) versions differ in size and materials.

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.

Specification	Apple Watch Series 9 (45 mm, GPS, aluminium)	Samsung Galaxy Watch5 Pro 45 mm
Release year	2023	2022
Display	Always-On Retina LTPO OLED; up to 2000 nits, as low as 1 nit; 326 ppi LTPO is a panel technology that can lower the refresh rate dramatically, letting the display stay dimly on when the wrist is down. The 1-nit minimum avoids glare in a dark room. 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
Chip	S9 SiP; 64-bit dual-core processor, 4-core Neural Engine Apple	—
Storage	64 GB Apple	—
Controls	Digital Crown with haptic feedback, side button, double tap gesture Double tap lets you answer notifications or calls by tapping the thumb and index finger of the watch hand together twice, without touching the screen. Apple	—
Health sensors	Electrical heart sensor, third-generation optical heart sensor, temperature sensing The electrical sensor is for ECG recordings; the optical sensor measures pulse with light. Temperature sensing tracks overnight changes in wrist temperature. Apple	—
Blood Oxygen (US)	On watches sold in the US without the feature, a redesigned version arrives with iOS 18.6.1 and watchOS 11.6.1; the reading is calculated on iPhone The watch collects sensor data, the paired iPhone calculates the value and shows it in the Health app. Watches bought outside the US are not affected. Apple	—
Other sensors	Compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor Apple	—
Location	L1 GPS, GNSS, Galileo and BeiDou It is a single-frequency (L1) receiver; drift in cities can be more likely than with dual-frequency watches. Apple	—
Wireless	Wi-Fi 4 (802.11n), Bluetooth 5.3, second-generation Ultra Wideband Ultra Wideband lets you locate an iPhone 15-family phone with Precision Finding showing direction and distance; availability varies by region. Apple	—
Battery and charging	Up to 18 hours normal use, up to 36 hours in Low Power Mode; fast charge to about 80% in 45 minutes Fast charging requires Apple’s fast-charging cable and a suitable adapter. Apple	590 mAh (typical); WPC-based fast wireless charging Samsung says the battery is 60% larger than the Galaxy Watch4’s. Samsung
Durability	50 m water resistant (ISO 22810:2010); IP6X dust resistant; Ion-X front glass Suitable for swimming. Ion-X is the strengthened glass used on aluminium cases; steel cases use sapphire crystal. 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
Size and weight	45 × 38 × 10.7 mm; 38.7 g; fits 140–245 mm wrists Apple	45.4 × 45.4 × 10.5 mm; 46.5 g (without band) Samsung
Compatibility	iPhone XS or later with iOS 17 or later It cannot be used with Android phones. 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
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
Sensors	—	Samsung 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
Connectivity	—	LTE (LTE model); Bluetooth 5.2; Wi-Fi 2.4 + 5 GHz; NFC; GPS, GLONASS, BeiDou, Galileo 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