vs
8.4Display7.3
8.6Health tracking9.2
7.9Smart features7.9
9.6Build & durability4.1
Dimensions
Size comparison
Watch UltraGalaxy Watch3
| Watch Ultra | Galaxy Watch3 | Difference | |
|---|---|---|---|
| Height | 49 mm | 46.2 mm | +2.8 mm |
| Width | 44 mm | 45 mm | −1 mm |
| Thickness | 14.4 mm | 11.1 mm | +3.3 mm |
| Weight | 61 g | 48 g | +13 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Ultra better than Galaxy Watch3?
- Water resistance10 ATM vs 5 ATM2×
- Storage32 GB vs 8 GB4×
- Screen size1.92″ vs 1.4″+37%
- Battery capacity542 mAh vs 340 mAh+59%
- Resolution (width)410 px vs 360 px+14%
Why is Galaxy Watch3 better than Watch Ultra?
- Battery life (smartwatch mode)1.5 days vs 2 days+33%
- Weight61.3 g vs 48.2 g+27%
- Thickness14.4 mm vs 11.1 mm+30%
- Pixel density338 ppi vs 364 ppi+8%
Specifications
Side by side
| Design & durability | ||
| Case size | 49 mm | 46 mm |
| Weight | 61.3 g | 48.2 g |
| Thickness | 14.4 mm | 11.1 mm |
| Height | 49 mm | 46.2 mm |
| Width | 44 mm | 45 mm |
| Case material | Titanium | Titanium |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire crystal glass | Corning Gorilla Glass DX |
| Strap material | Nylon | — |
| Water resistance | 10 ATM | 5 ATM |
| Ingress protection | IP6X | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Water rating (maker) | 100 m | 50 m / 5 bar / 5 ATM |
| Military-grade (MIL-STD-810) | Yes | Yes |
| Colours | Titanium | Mystic Bronze, Mystic Black, Mystic White |
| Display | ||
| Screen size | 1.92″ | 1.4″ |
| Display technology | OLED | AMOLED |
| Panel | Retina LTPO OLED | Super AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 410 px | 360 px |
| Resolution (height) | 502 px | 360 px |
| Pixel density | 338 ppi | 364 ppi |
| Peak brightness | 2,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 1.5 days | 2 days |
| Battery life (hours) | 36 h | — |
| Battery capacity | 542 mAh | 340 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | Yes |
| Charged in 30 min | 40% | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | Yes |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water) | Accelerometer, gyro, heart rate, barometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Dive mode | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.3 | 5 |
| Ultra Wideband | Yes | — |
| Smart features | ||
| Calls from the wrist | Yes | Yes |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Voice assistant | Yes | — |
| Music on the watch | Yes | Yes |
| Storage | 32 GB | 8 GB |
| RAM | — | 1 GB |
| Platform | ||
| Operating system | watchOS 9.0 | Tizen OS 5.5 |
| Platform | watchOS | Tizen |
| Works with | iOS | iOS, Android |
| Chipset | Apple S8 | Exynos 9110 |
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