Apple Watch SE (2nd generation, 44 mm) / Samsung Galaxy Watch5 Pro (45 mm)

Apple Watch SE (2nd generation, 44 mm): Apple Watch SE (2nd generation), 44 mm aluminium case; GPS and GPS + Cellular models. The 40 mm case, the original Apple Watch SE (2020) and Apple Watch SE 3 are separate models.

Samsung Galaxy Watch5 Pro (45 mm): The Galaxy Watch5 Pro comes in one size (45 mm): SM-R920 (Bluetooth) and SM-R925 (LTE), in Black Titanium and Gray Titanium. The 40/44 mm Galaxy Watch5 is a separate model with a different battery, case material and display size.

Specification	Apple Watch SE (2nd generation, 44 mm)	Samsung Galaxy Watch5 Pro (45 mm)
Release year	2022	2022
Case and weight	44 × 38 × 10.7 mm aluminium case; GPS 32.9 g, GPS + Cellular 33 g Weight is for the case only and rises with the band. The 44 mm case fits 140–245 mm wrists. Apple	—
Display	Retina LTPO OLED; 368 × 448 pixels, 977 sq mm display area, 326 ppi; up to 1000 nits; Ion-X glass SE has no always-on mode; the screen wakes when you raise your wrist. Ion-X is strengthened glass and is not as scratch-resistant as sapphire. Apple	1.4-inch (34.6 mm) 450 × 450 Super AMOLED; full-colour Always On Display The bezel is raised above the display, which Samsung designs to protect the glass from knocks. There is no rotating bezel; menus are navigated with touch gestures and the buttons. Samsung
Chip and storage	S8 SiP (64-bit dual-core processor); 2-core Neural Engine; 32 GB Storage holds music, podcasts and apps and cannot be expanded. Apple	—
Sensors	2nd-gen optical heart sensor; compass; always-on altimeter; high-g accelerometer; high dynamic range gyroscope; ambient light sensor The high-g accelerometer and gyroscope are used for Crash Detection. ECG, blood oxygen and temperature sensors are not included on this model. Apple	Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart Signal + Bioelectrical Impedance Analysis), temperature, accelerometer, barometer, gyro, geomagnetic, light sensor Electrical Heart Signal enables ECG and Bioelectrical Impedance enables body composition estimates; ECG works through the Samsung Health Monitor app only in approved markets. Samsung
Safety features	Emergency SOS; International Emergency Calling; Fall Detection; Crash Detection Crash Detection can call emergency services after a severe car crash. Emergency SOS needs a cellular connection or Wi-Fi calling with internet access from the watch or a nearby iPhone. Apple	—
Battery	Up to 18 hours; about 80% charge in about 1.5 hours Apple measures 18 hours with 90 time checks, 90 notifications, 45 minutes of app use and a 60-minute workout with music; on the cellular model, 4 of those hours are on LTE. Longer GPS workouts shorten it. Apple	—
Water resistance	50 metres under ISO 22810:2010 Suitable for swimming, but not for scuba diving, water skiing or high-velocity water sports. Apple	—
Location and wireless	L1 GPS, GNSS, Galileo and QZSS; Wi-Fi 4 (802.11n); Bluetooth 5.3; LTE and UMTS on the GPS + Cellular model The cellular model can make calls and use data without your iPhone nearby; carrier support is required. Apple	—
Compatibility	iPhone Xs or later with iOS 18 The watch can only be set up and used with an iPhone; it does not work with Android phones. Apple	—
Colours	Midnight, Starlight and Silver Apple	—
Glass and case	—	Sapphire Crystal; titanium case with D-Buckle Sport Band The D-buckle band folds open; because the watch cannot lie flat, it is charged on its side on the Samsung charger. Samsung
Processor	—	Exynos W920, dual-core 1.18 GHz Samsung
Memory and storage	—	1.5 GB RAM + 16 GB internal storage Samsung
Battery and charging	—	590 mAh (typical); WPC-based wireless faster charging Samsung says real battery life varies with network environment and usage patterns. 590 mAh is about 44% larger than the 410 mAh battery in the 44 mm Galaxy Watch5. Samsung
Operating system	—	Wear OS 3.5 (Powered by Samsung) with One UI Watch 4.5 at launch Activation requires connecting to an Android phone with Google Mobile Services; it cannot be used with an iPhone. Samsung
Connectivity	—	Bluetooth 5.2, Wi‑Fi 802.11 a/b/g/n 2.4 + 5 GHz, NFC, GPS/Glonass/Beidou/Galileo; LTE (LTE model only) The LTE model can make calls and use data without the phone nearby; support depends on the carrier. Samsung
Durability	—	5ATM + IP68 / MIL-STD-810H 5ATM covers surface water use such as swimming, not diving or high-pressure water. MIL-STD-810H is the US military standard for environmental test methods. Samsung
Phone compatibility	—	Android 8.0 or higher with more than 1.5 GB of RAM Samsung
Size and weight	—	45.4 × 45.4 × 10.5 mm; 46.5 g Dimensions are measured without the health sensors and weight without the strap. Samsung