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.
Samsung Galaxy Watch5 (40 mm, Bluetooth): The 40 mm aluminium Bluetooth version of the Galaxy Watch5, in Graphite, Pink Gold and Silver. The 44 mm version has a larger screen and battery; the titanium Galaxy Watch5 Pro is a separate model.
| Specification | Apple Watch Series 8 (45 mm, GPS) | Samsung Galaxy Watch5 (40 mm, Bluetooth) |
|---|---|---|
| Release year | 2022 | 2022 |
| Display | Always-On Retina LTPO OLED; 396 × 484 pixels; 1143 sq mm display area; up to 1000 nits Apple | 1.2-inch (30.4 mm) Super AMOLED, 396 × 396 pixels; full-colour Always On Display; sapphire crystal Samsung |
| Chip | S8 SiP with 64-bit dual-core processor; W3 wireless chip; U1 (Ultra Wideband) Apple | — |
| Health sensors | Blood oxygen sensor; electrical heart sensor (ECG app); third-generation optical heart sensor 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 Apple | — |
| Location | L1 GPS, GLONASS, Galileo, QZSS and BeiDou; compass; always-on altimeter Apple | — |
| Connectivity | Wi-Fi 802.11b/g/n 2.4 and 5 GHz; Bluetooth 5.3 Apple | Bluetooth 5.2; Wi‑Fi 802.11 a/b/g/n 2.4 + 5 GHz; NFC; GPS/GLONASS/BeiDou/Galileo Samsung |
| Storage | 32 GB Apple | — |
| Battery and charging | Up to 18 hours; built-in lithium-ion battery; USB-C magnetic fast charging cable Apple | 284 mAh (typical); faster WPC-based wireless charging Samsung |
| Durability | Water resistant to 50 metres under ISO 22810:2010; IP6X dust; ceramic and sapphire crystal back Apple | 5ATM + IP68; MIL-STD-810H Samsung |
| Size and weight | 45 × 38 × 10.7 mm; aluminium GPS: 38.8 g Apple | 39.3 × 40.4 × 9.8 mm; 28.7 g (without strap) Samsung |
| Compatibility | Requires iPhone 8 or later with iOS 16 or later Apple | — |
| Colours | Aluminium: Midnight, Starlight, Silver, (PRODUCT)RED Apple | — |
| Case and colours | — | Armor Aluminum case with Sport Band; Graphite, Pink Gold, Silver Samsung |
| Processor | — | Exynos W920, dual-core 1.18 GHz Samsung |
| Memory and storage | — | 1.5 GB RAM; 16 GB internal storage Samsung |
| Software | — | At launch Wear OS Powered by Samsung (Wear OS 3.5) with One UI Watch 4.5 Samsung |
| Sensors | — | Samsung BioActive Sensor (optical heart rate, electrical heart signal, bioelectrical impedance analysis); temperature sensor; accelerometer, barometer, gyro, geomagnetic and light sensors Samsung |