Google Pixel Watch 5 (45 mm, LTE): 45 mm · 4G LTE option
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 | Google Pixel Watch 5 (45 mm, LTE) | Samsung Galaxy Watch Ultra (47 mm, 2024) |
|---|---|---|
| Release year | 2026 | 2024 |
| Launch | Announced and opened for pre-order on 12 August 2026; on sale 20 August 2026 Google | — |
| Display | Actua 360; 320 ppi AMOLED LTPO; DCI-P3; up to 3000 nits; 1–60 Hz variable refresh; as low as 1 nit in always-on mode Google | 1.5-inch (37.3 mm) 480 × 480 Super AMOLED; full-colour Always On Display; Sapphire Crystal Samsung |
| Cover glass | Custom 3D Corning Gorilla Glass 5 Google | — |
| Case and band | 100% recycled aluminium case; soft-touch HNBR rubber Active Band (2nd gen) Google | — |
| Wrist size | The small band fits 150–185 mm wrists and the large band 165–215 mm; both come in the box Google | — |
| Size | 45 mm diameter; 12.3 mm height Google | — |
| Weight | 36.7 g (without band) Google | — |
| Processor | Qualcomm Snapdragon W5 Gen 2 Accelerated; Cortex-M55 co-processor; Google cites a 12% CPU increase and 50% more RAM than the previous generation Google | Exynos W1000 (5 core, 3 nm) Samsung |
| Storage | 64 GB eMMC flash (capacity before formatting) Google | — |
| Software | Wear OS 7.0 Google | — |
| Connectivity | 4G LTE and UMTS; Bluetooth 6.0; Wi-Fi 802.11a/b/g/n/ac/ax (2.4 and 5 GHz); NFC; Ultra-Wideband Google | LTE, Bluetooth 5.3, Wi‑Fi 2.4+5 GHz, NFC, GPS (L1+L5) / Glonass / Beidou / Galileo Samsung |
| LTE option | On the LTE option the watch can be activated for calls, texts and music without the phone; carrier activation is required and the phone must use the same carrier Google | — |
| Satellite SOS | Emergency communication over satellite; no extra charge for 2 years after activation; may be unavailable in some countries or conditions Google | — |
| Positioning | Dual-frequency GPS; US: GPS, Galileo, GLONASS; rest of world: GPS, Galileo, GLONASS, BeiDou, QZSS Google | — |
| GPS route accuracy | Google says post-workout route correction uses Google Maps 3D building models and weather-station data, and claims twice the accuracy of the previous generation in difficult urban areas; the comparison rests on Google’s own July 2026 study Google | — |
| Sensors | Multi-path optical heart rate, red and infrared SpO2, electrical sensors for the ECG app, skin conductance (cEDA), far-field skin temperature, accelerometer, gyroscope, barometer, altimeter, compass, magnetometer, ambient light Google | Samsung BioActive Sensor (Optical Bio-signal sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis), temperature, accelerometer, barometer, gyro, geomagnetic, light sensor Samsung |
| Health features | Irregular rhythm and high/low heart rate notifications, ECG, loss of pulse detection; breathing emergency detection (launching in Europe first); monthly trend summaries for blood pressure, sleep breathing and insulin resistance (“coming soon” in the announcement). Availability varies by country Google | — |
| Battery | 465 mAh (typical) lithium-ion; up to 40 hours with always-on display, up to 72 hours in Battery Saver mode Google | — |
| Charging | With the Quick Charge Dock: about 15 minutes to 50%, 30 minutes to 80% and 60 minutes to 100%; the 30 W adapter is sold separately Google | — |
| Water and dust resistance | 5 ATM and IP68; Google states the watch is not waterproof or dustproof and that resistance can diminish over time Google | — |
| Controls | Touchscreen, side button, haptic crown, Gen 3 premium haptics; touchless one-handed gestures Google | — |
| Audio | Built-in microphone and speaker Google | — |
| Gemini | Gemini Intelligence; Raise to Talk, At a Glance and proactive suggestions; core actions run on the device. Features are offered in select countries and languages to users 18 and over Google | — |
| Phone compatibility | Works with most phones running Android 12 or newer; requires a Google Account and the Pixel Watch app; Android (Go edition) is not supported Google | Android 11 or higher with more than 1.5 GB of memory Samsung |
| Repair | Google cites a repairable architecture; repair manuals and options vary by region Google | — |
| Warranty | 1 year in the US, Canada, Japan, India, Singapore, Taiwan, Malaysia and Mexico; 2 years in the UK, EEA, France, Switzerland and Australia Google | — |
| Case | — | 47.1 × 47.4 × 12.1 mm; 60.5 g; Titanium Grade 4 frame 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 |
| 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 |