Samsung Galaxy Watch8 44 mm Bluetooth (SM-L330) / Apple Watch Series 8 (45 mm, GPS)

Samsung Galaxy Watch8 44 mm Bluetooth (SM-L330): SM-L330 (44 mm, Bluetooth/Wi-Fi), aluminium case; Graphite and Silver. The 40 mm SM-L320, the LTE SM-L335 and the rotating-bezel Galaxy Watch8 Classic are separate models.

Apple Watch Series 8 (45 mm, GPS): Apple Watch Series 8, 45 mm aluminium case, GPS model. The 41 mm case, GPS + Cellular and stainless steel versions are separate models; weight and screen size differ.

Specification	Samsung Galaxy Watch8 44 mm Bluetooth (SM-L330)	Apple Watch Series 8 (45 mm, GPS)
Release year	2025	2022
Display	1.47-inch Super AMOLED, 480 × 480; full-colour Always On Display Always On Display keeps the watch face visible but shortens battery life; when off, the screen wakes on wrist raise. Samsung	Always-On Retina LTPO OLED; 396 × 484 pixels; 1143 sq mm display area; up to 1000 nits The LTPO panel can lower its refresh rate a lot, so the screen stays on dimmed when the wrist is down. Apple
Glass and case	Sapphire crystal glass; 43.7 × 46 × 8.6 mm (excluding health sensors) Sapphire crystal resists scratches better than ordinary glass. The 8.6 mm thickness excludes the sensor bump on the back. Samsung	—
Processor and memory	Exynos W1000 (5-core, 3 nm); 2 GB RAM, 32 GB storage 32 GB of storage is enough to keep music and apps on the watch for phone-free runs. Samsung	—
Battery and charging	435 mAh (typical); WPC-based fast wireless charging The watch charges only wirelessly; it must align with Samsung’s charging puck, and some wireless chargers may not sit flat because of the band. Samsung	Up to 18 hours; built-in lithium-ion battery; USB-C magnetic fast charging cable Apple’s 18-hour figure is based on 90 time checks, 90 notifications, 45 minutes of app use and a 60-minute workout with music; sleep tracking is not part of that scenario. Apple
Sensors	Samsung BioActive Sensor (optical heart rate, electrical heart signal, bioelectrical impedance); temperature, accelerometer, barometer, gyro, geomagnetic, light The electrical heart signal enables ECG and bioelectrical impedance enables body composition readings. ECG and blood pressure need a Samsung phone and country approval. Samsung	—
Health features	Antioxidant Index (carotenoid measurement), Bedtime Guidance, Vascular Load, Running Coach Antioxidant Index is measured by holding a fingertip on the sensor for about five seconds; Vascular Load needs the watch to be worn to sleep on at least 3 of the last 14 days. These are wellness indicators, not medical diagnoses. Samsung	—
Location	L1 + L5 dual-frequency GPS (GPS, GLONASS, BeiDou, Galileo) The L5 band helps reduce route drift caused by reflections among tall buildings and trees. Samsung	L1 GPS, GLONASS, Galileo, QZSS and BeiDou; compass; always-on altimeter This is single-frequency (L1) GPS; drift between tall buildings can be higher than on dual-frequency models. Apple
Connectivity	Bluetooth 5.3, Wi-Fi 2.4 + 5 GHz, NFC; this model has no LTE (Bluetooth) On the Bluetooth model calls and notifications work while connected to the phone; NFC contactless payments depend on country and bank. Samsung	Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.3 Apple
Durability	5ATM, IP68, MIL-STD-810H 5ATM means water resistance suitable for swimming, not diving or high-speed water sports. MIL-STD-810H refers to selected environmental tests from the military standard and is no guarantee against impacts. Samsung	Water resistant to 50 metres under ISO 22810:2010; IP6X dust; ceramic and sapphire crystal back Suitable for shallow-water activities in a pool or the sea; not for scuba diving, waterskiing or high-velocity water. Apple
Software and assistant	One UI 8 Watch on Wear OS 6; first smartwatch series to ship with Gemini Gemini can act in Samsung Health, Calendar and Clock via voice; availability varies by device, language and country. Samsung	—
Compatibility	Android 12 or later phones with more than 1.5 GB RAM It cannot be used with an iPhone. Samsung	Requires iPhone 8 or later with iOS 16 or later It cannot be used with Android phones. Apple
Weight and colours	34.0 g (without band); Graphite, Silver Samsung	—
Chip	—	S8 SiP with 64-bit dual-core processor; W3 wireless chip; U1 (Ultra Wideband) Ultra Wideband is used for close-range location with an iPhone; availability varies by region. Apple
Health sensors	—	Blood oxygen sensor; electrical heart sensor (ECG app); third-generation optical heart sensor The Blood Oxygen app is not for medical use. The ECG app is not intended for people under 22 and may not be available in every country. Apple
Motion and safety	—	High-g accelerometer up to 256 g (Fall Detection and Crash Detection); high dynamic range gyroscope; Emergency SOS; international emergency calling On the GPS model, Emergency SOS needs a nearby iPhone or Wi-Fi Calling; international emergency calling works only on cellular models. Apple
Storage	—	32 GB Apple
Size and weight	—	45 × 38 × 10.7 mm; aluminium GPS: 38.8 g Apple
Colours	—	Aluminium: Midnight, Starlight, Silver, (PRODUCT)RED Apple