Apple Watch Series 10 (46 mm, GPS, aluminium) / Apple Watch Series 8 (45 mm, GPS)

Apple Watch Series 10 (46 mm, GPS, aluminium): 46 mm aluminium case, GPS only (no cellular); Jet Black, Rose Gold and Silver. The 42 mm case, GPS + Cellular and titanium versions differ in weight, materials and connectivity.

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	Apple Watch Series 10 (46 mm, GPS, aluminium)	Apple Watch Series 8 (45 mm, GPS)
Release year	2024	2022
Case	46 mm aluminium; Ion-X front glass The aluminium version uses Ion-X glass; the titanium versions have sapphire crystal. Apple	—
Display	LTPO3 OLED Always-On Retina, wide-angle OLED; 416 × 496 pixels, 326 ppi; 1220 mm² display area Up to 2000 nits and down to 1 nit. Apple says the wide-angle OLED looks up to 40% brighter when viewed at an angle, making the watch easier to read without raising the wrist. Apple	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
Chip and storage	S10 SiP; 64-bit dual-core processor, 4-core Neural Engine; 64 GB storage Apple	—
Health and motion sensors	Electrical heart sensor; third-generation optical heart sensor; blood oxygen sensor; temperature sensor; compass; always-on altimeter; high-g accelerometer; high dynamic range gyroscope; ambient light sensor The electrical sensor enables ECG recordings and the optical sensor continuous heart rate. Availability of health features varies by country. Apple	—
Water and dust	50 m water resistance (WR50, ISO 22810:2010); IP6X dust; depth gauge and water temperature sensor Suitable for shallow-water activities such as swimming, not for scuba diving or high-velocity water sports. The depth gauge is for snorkelling down to 6 metres. Apple	—
Connectivity and location	Wi-Fi 4 (802.11n); Bluetooth 5.3; second-generation Ultra Wideband; L1 GPS, GLONASS, Galileo, QZSS, BeiDou This version has no cellular connection, so calls and data away from the phone need Wi-Fi. Location uses only the L1 band; there is no dual-frequency GPS. Apple	—
Battery and charging	Up to 18 hours normal use, up to 36 hours in Low Power Mode; about 80% in around 30 minutes with fast charging Fast charging uses the included magnetic fast charger to USB-C cable; the adapter is sold separately. Apple	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
Size and weight	46 × 39 × 9.7 mm; 36.4 g (without band) Apple	45 × 38 × 10.7 mm; aluminium GPS: 38.8 g Apple
Compatibility	iPhone Xs or later with iOS 18 or later (including iPhone SE 2nd generation or later) An iPhone is required for setup and use; it does not work with Android phones. Apple	Requires iPhone 8 or later with iOS 16 or later It cannot be used with Android phones. Apple
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
Location	—	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	—	Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.3 Apple
Storage	—	32 GB Apple
Durability	—	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
Colours	—	Aluminium: Midnight, Starlight, Silver, (PRODUCT)RED Apple