vs
8.5Display7.5
8.6Health tracking5.0
3.1Sports & outdoor8.0
7.9Smart features9.6
7.4Build & durability6.4
Dimensions
Size comparison
Galaxy Watch7Watch 3
| Galaxy Watch7 | Watch 3 | Difference | |
|---|---|---|---|
| Height | 44.4 mm | 46.1 mm | −1.7 mm |
| Width | 44.4 mm | 46.1 mm | −1.7 mm |
| Thickness | 9.7 mm | 13.8 mm | −4.1 mm |
| Weight | 34 g | 36 g | −2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy Watch7 better than Watch 3?
- Storage32 GB vs 4 GB8×
- Weight33.8 g vs 36 g+7%
- Screen size1.5″ vs 1.43″+5%
- Thickness9.7 mm vs 13.8 mm+42%
- Resolution (width)480 px vs 466 px+3%
Why is Watch 3 better than Galaxy Watch7?
- Battery capacity425 mAh vs 505 mAh+19%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 46 mm |
| Weight | 33.8 g | 36 g |
| Thickness | 9.7 mm | 13.8 mm |
| Height | 44.4 mm | 46.1 mm |
| Width | 44.4 mm | 46.1 mm |
| Case material | Aluminium | — |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire crystal | — |
| Strap material | Silikon | — |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | Cream, Silver, Green | Black, Silver |
| Display | ||
| Screen size | 1.5″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | Super AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 480 px | 466 px |
| Resolution (height) | 480 px | 466 px |
| Pixel density | 327 ppi | 326 ppi |
| Peak brightness | 2,000 nits | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 425 mAh | 505 mAh |
| Battery type | Li-Ion | — |
| Wireless charging | Yes | — |
| Charging | kabellos, magnetisches Ladekabel, magnetische Ladeschale | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive | Accelerometer, gyro, heart rate, barometer, compass, altimeter, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.3 | 5.2 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 32 GB | 4 GB |
| RAM | 2 GB | 0.1 GB |
| Platform | ||
| Operating system | Android Wear OS 5 | Blue OS |
| Platform | Android | Proprietary |
| Works with | Android | — |
| Chipset | Exynos W1000 | — |
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