Samsung Galaxy Watch Ultra 2 vs Samsung Galaxy Watch Ultra Specs Comparison
The Galaxy Watch Ultra 2 is the better choice if the price difference is modest, with faster hardware and longer battery life. Original Galaxy Watch Ultra owners, though, have little reason to upgrade unless those improvements are particularly important.
Key differences
Feature
Samsung Galaxy Watch Ultra 2
Samsung Galaxy Watch Ultra
Release date
2026-07
2024-07
Physical size
47.4 x 47.1 x 10.7 mm
47.4 x 47.1 x 12.1 mm
Weight
61.5 g
60.5 g
Material
Titanium case; sapphire crystal
Grade 4 titanium case; sapphire crystal
Water resistance
10 ATM; IP69K; MIL-STD-810H; EN13319
10 ATM; IP68; MIL-STD-810H
Display size
1.5 inches (38.5 mm)
1.47 inches (37.3 mm)
Display resolution
498 x 498 pixels
480 x 480 pixels
Display brightness
Up to 5,000 nits
Up to 3,000 nits
Full specs comparison
Use the full table below for the complete side-by-side specification breakdown.
| Specification | | |
|---|---|---|
| General | ||
| Release date | 2026-07 | 2024-07 |
| Physical size | 47.4 x 47.1 x 10.7 mm | 47.4 x 47.1 x 12.1 mm |
| Weight | 61.5 g | 60.5 g |
| Material | Titanium case; sapphire crystal | Grade 4 titanium case; sapphire crystal |
| Water resistance | 10 ATM; IP69K; MIL-STD-810H; EN13319 | 10 ATM; IP68; MIL-STD-810H |
| Color options | Titanium Gray, Titanium Silver | Titanium Silver, Titanium Gray, Titanium White |
| Display type | Super AMOLED, full-colour Always On Display | Super AMOLED, full-colour Always On Display |
| Display size | 1.5 inches (38.5 mm) | 1.47 inches (37.3 mm) |
| Display resolution | 498 x 498 pixels | 480 x 480 pixels |
| Display brightness | Up to 5,000 nits | Up to 3,000 nits |
| Display protection | Sapphire crystal | Sapphire crystal |
| Battery | Built-in rechargeable battery; 800 mAh | Built-in rechargeable battery; 590 mAh |
| Battery life | Up to 80 hours with AOD off; up to 60 hours with AOD on | Up to 80 hours with AOD off; up to 60 hours with AOD on; up to 100 hours in Power Saving mode |
| Charging | Fast wireless charging | WPC-based wireless charging |
| Sensors | ||
| GNSS type | Built-in dual-band GNSS | Built-in dual-band GNSS |
| GPS | Yes | Yes |
| GALILEO | Yes | Yes |
| GLONASS | Yes | Yes |
| QZSS | Yes | No |
| Beidou | Yes | Yes |
| Accelerometer | Yes | Yes |
| Gyroscope | Yes | Yes |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Geomagnetic | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Optical heart rate | Yes | Yes |
| Electrical heart rate | Yes | Yes |
| SpO2 | Yes | Yes |
| Temperature | Yes | Yes |
| Galvanic skin response | Yes | Yes |
| Microphone | Yes | Yes |
| Speakers | Yes | Yes |
| Vibration motor | Yes | Yes |
| Health & activity tracking | ||
| Steps | Yes | Yes |
| Distance | Yes | Yes |
| Calories burned | Yes | Yes |
| Floors | Yes | Yes |
| Sports tracking | Yes | Yes |
| Sleep | Yes | Yes |
| Heart rate | Yes | Yes |
| HRV | Yes | Yes |
| Stress | Yes | Yes |
| Blood oxygen | Yes | Yes |
| Respiration rate | Yes | Yes |
| Skin temperature | Yes | Yes |
| ECG | Yes | Yes |
| Blood pressure | Yes (Samsung Health Monitor; availability varies by market, calibration required) | Yes (Samsung Health Monitor; availability varies by market, calibration required) |
| Body composition | Yes | Yes |
| Glucose | No | No |
| Hydration level | No | No |
| UV exposure | No | No |
| Calorie intake | No | No |
| Hyperglycemia risk assessment | No | No |
| Arterial stiffness detection | No | No |
| Pulse wave arrhythmia analysis | Yes | Yes |
| Daily smart features | ||
| Smartphone compatibility | Android with Google Mobile Services | Android with Google Mobile Services |
| Operating system at launch | Wear OS 7 Powered by Samsung; One UI 9 Watch | Wear OS 5 Powered by Samsung; One UI 6 Watch |
| Processor | Qualcomm Snapdragon Wear Elite / SDW6100 (3 nm, penta-core) | Exynos W1000 (3 nm, penta-core) |
| RAM | 2 GB | 2 GB |
| Storage | 64 GB | 32 GB |
| Bluetooth | Yes (6.0) | Yes (5.3) |
| Wi-Fi | Yes (802.11 a/b/g/n, 2.4/5 GHz) | Yes (802.11 a/b/g/n, 2.4/5 GHz) |
| NFC / connected pay | Yes | Yes |
| UWB | No | No |
| Cellular | Yes (LTE/eSIM) | Yes (LTE/eSIM) |
| Smartphone notifications | Yes | Yes |
| Bluetooth calling | Yes | Yes |
| Smartphone music control | Yes | Yes |
| On-board music storage | Yes | Yes |
| Voice assistant | Google Gemini / Bixby | Google Assistant / Bixby |
| Navigation, safety & special features | ||
| Maps | Yes (Google Maps) | Yes (Google Maps) |
| Offline maps | Yes (Google Maps) | Yes (Google Maps) |
| Navigation | Yes (turn-by-turn navigation) | Yes (turn-by-turn navigation) |
| Emergency SOS | Yes | Yes |
| Satellite SOS | No | No |
| Fall detection | Yes | Yes |
| LED flashlight | No | No |
| Diving | Yes (EN13319; depth and dive metrics to 40 m) | No (10 ATM water resistance, but not EN13319-certified for scuba diving) |
| Links | ||
| Affiliate link | Amazon, Samsung | Amazon, Samsung |
| Read more | Article | Article |