Samsung Galaxy Watch6 (40 mm): Galaxy Watch6 40 mm: SM-R930 (Bluetooth) and SM-R935 (LTE); Graphite and Gold. The 44 mm Galaxy Watch6 and the Galaxy Watch6 Classic are separate models with different displays, batteries and weights.
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 | Samsung Galaxy Watch6 (40 mm) | Samsung Galaxy Watch5 (40 mm, Bluetooth) |
|---|---|---|
| Release year | 2023 | 2022 |
| Display | 1.3-inch (33.3 mm) 432 × 432 Super AMOLED; full-colour Always On Display Samsung | 1.2-inch (30.4 mm) Super AMOLED, 396 × 396 pixels; full-colour Always On Display; sapphire crystal Samsung |
| Glass | Sapphire Crystal Samsung | — |
| Processor | Exynos W930, dual-core 1.4 GHz Samsung | Exynos W920, dual-core 1.18 GHz Samsung |
| Memory and storage | 2 GB memory + 16 GB storage Samsung | 1.5 GB RAM; 16 GB internal storage Samsung |
| Battery | 300 mAh (typical); up to 40 hours with Always On Display off, up to 30 hours with it on Samsung | — |
| Operating system | Wear OS 4 (Powered by Samsung) with One UI 5 Watch at launch Samsung | — |
| Sensors | Samsung BioActive (Optical Heart Rate + Electrical Heart Signal + Bioelectrical Impedance Analysis), temperature, accelerometer, barometer, gyro, geomagnetic, light sensor Samsung | Samsung BioActive Sensor (optical heart rate, electrical heart signal, bioelectrical impedance analysis); temperature sensor; accelerometer, barometer, gyro, geomagnetic and light sensors Samsung |
| Connectivity | Bluetooth 5.3, Wi‑Fi 2.4 + 5 GHz, NFC, GPS/Glonass/Beidou/Galileo; LTE (SM-R935 only) Samsung | Bluetooth 5.2; Wi‑Fi 802.11 a/b/g/n 2.4 + 5 GHz; NFC; GPS/GLONASS/BeiDou/Galileo Samsung |
| Durability | 5ATM + IP68, MIL-STD-810H Samsung | 5ATM + IP68; MIL-STD-810H Samsung |
| Phone compatibility | Android 10 or higher with more than 1.5 GB of memory Samsung | — |
| Size and weight | 38.8 × 40.4 × 9.0 mm; 28.7 g Samsung | 39.3 × 40.4 × 9.8 mm; 28.7 g (without strap) Samsung |
| Case and colours | — | Armor Aluminum case with Sport Band; Graphite, Pink Gold, Silver Samsung |
| Battery and charging | — | 284 mAh (typical); faster WPC-based wireless charging Samsung |
| Software | — | At launch Wear OS Powered by Samsung (Wear OS 3.5) with One UI Watch 4.5 Samsung |