HUAWEI WATCH GT 7 46 mm: TUM-B39 · 46 mm · black EasyCross fluoroelastomer strap; not the Pro or 41 mm version.
Samsung Galaxy Watch Ultra (47 mm, 2024): Galaxy Watch Ultra 47 mm (SM-L705, LTE); Titanium Gray, Titanium White and Titanium Silver at launch. The Galaxy Watch Ultra (2025), sold with a Titanium Blue option, is a later release of the same design whose specifications are not applied to this record; the Galaxy Watch Ultra2 and Galaxy Watch7 are separate models.
| Specification | HUAWEI WATCH GT 7 46 mm | Samsung Galaxy Watch Ultra (47 mm, 2024) |
|---|---|---|
| Release year | 2026 | 2024 |
| Model code | TUM-B39 Huawei | — |
| Case | 46 × 46 × 10.95 mm; stainless steel Huawei | 47.1 × 47.4 × 12.1 mm; 60.5 g; Titanium Grade 4 frame Samsung |
| Weight | Approximately 51.3 g without strap Huawei | — |
| Wrist range | 140–210 mm Huawei | — |
| Display | 1.47-inch AMOLED; 466 × 466; 317 ppi Huawei | 1.5-inch (37.3 mm) 480 × 480 Super AMOLED; full-colour Always On Display; Sapphire Crystal Samsung |
| Peak brightness | 3000 nits at 30% APL laboratory conditions Huawei | — |
| Controls | Rotating/pressable crown; side button Huawei | — |
| Bluetooth | 6.0; BR + BLE, 2.4 GHz Huawei | — |
| Positioning | GPS L1/L5; Galileo E1/E5a; BeiDou B1I/B1C/B2a; GLONASS, QZSS, NavIC Huawei | — |
| Phone compatibility | Android 9 or iOS 13 and later Huawei | Android 11 or higher with more than 1.5 GB of memory Samsung |
| Sensors | Accelerometer, gyroscope, magnetometer, optical heart rate, barometer, temperature and ambient light Huawei | Samsung BioActive Sensor (Optical Bio-signal sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis), temperature, accelerometer, barometer, gyro, geomagnetic, light sensor Samsung |
| Calls | Speaker and microphone; Bluetooth connection to paired phone Huawei | — |
| Battery modes | Up to 21 days light use, 12 typical, 7 with AOD Huawei | — |
| Trail running | Up to 51 hours under manufacturer test conditions Huawei | — |
| Charging | Wireless cradle; adapter requirement up to 5–10 V DC/2 A Huawei | — |
| Water protection | 5 ATM and IP69; not approval for diving or hot showers. Huawei | — |
| Operating temperature | -20 to +45 °C Huawei | — |
| NFC | Hardware supported; payments depend on country, bank and phone compatibility. Huawei | — |
| Processor | — | Exynos W1000 (5 core, 3 nm) Samsung |
| Memory and storage | — | 2 GB memory + 32 GB storage Samsung |
| Battery and charging | — | 590 mAh (typical); up to 100 hours in Power Saving and 48 hours in Exercise Power Saving; WPC-based fast wireless charging Samsung |
| Operating system | — | Wear OS 5 (Powered by Samsung) with One UI 6 Watch at launch; One UI 8 Watch update released in July 2025 Samsung |
| Connectivity | — | LTE, Bluetooth 5.3, Wi‑Fi 2.4+5 GHz, NFC, GPS (L1+L5) / Glonass / Beidou / Galileo Samsung |
| Durability | — | 10ATM + IP68, MIL-STD-810H; ocean swimming; operation from −20 to 55 °C; altitude from 500 m below sea level to 9,000 m Samsung |
| Buttons and safety | — | Two buttons + orange Quick Button; Emergency Siren Samsung |