vs
8.1Display9.6
9.2Health tracking8.2
4.7Sports & outdoor3.1
5.9Smart features7.9
5.8Build & durability7.2
Dimensions
Size comparison
Watch 4Galaxy Watch9
| Watch 4 | Galaxy Watch9 | Difference | |
|---|---|---|---|
| Height | 47.4 mm | 46 mm | +1.4 mm |
| Width | 47.4 mm | 43.7 mm | +3.7 mm |
| Thickness | 11 mm | 8.6 mm | +2.4 mm |
| Weight | 43 g | 34 g | +9 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch 4 better than Galaxy Watch9?
- Screen size1.5″ vs 1.47″+2%
- Battery capacity646 mAh vs 445 mAh+45%
Why is Galaxy Watch9 better than Watch 4?
- LTE (cellular)No · Watch 4: Yes
- Weight43 g vs 34 g+26%
- Wireless chargingNo · Watch 4: Yes
- eSIMNo · Watch 4: Yes
- Thickness11 mm vs 8.6 mm+28%
- Pixel density310 ppi vs 327 ppi+5%
- Resolution (width)466 px vs 480 px+3%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 46 mm |
| Weight | 43 g | 34 g |
| Thickness | 11 mm | 8.6 mm |
| Height | 47.4 mm | 46 mm |
| Width | 47.4 mm | 43.7 mm |
| Case material | — | Aluminium |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire crystal glass | Sapphire crystal |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Water rating (maker) | — | 50 m / 5 bar / 5 ATM |
| Military-grade (MIL-STD-810) | Yes | Yes |
| Colours | Midnight Titanium, Evergreen Titanium | Graphite, Silver, Cream |
| Display | ||
| Screen size | 1.5″ | 1.47″ |
| Display technology | AMOLED | AMOLED |
| Panel | LTPO AMOLED | Super AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Resolution (width) | 466 px | 480 px |
| Resolution (height) | 466 px | 480 px |
| Pixel density | 310 ppi | 327 ppi |
| Peak brightness | 3,000 nits | 3,000 nits |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 646 mAh | 445 mAh |
| Battery type | Si/C | Li-Ion |
| Wireless charging | No | 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 | Yes |
| Temperature sensor | Yes | Yes |
| HRV tracking | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) | Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | — | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | No | Yes |
| eSIM | No | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5.2 | 6 |
| Smart features | ||
| Calls from the wrist | — | Yes |
| Speaker | Yes | Yes |
| Voice assistant | — | Yes |
| Music on the watch | — | Yes |
| Storage | 32 GB | 32 GB |
| RAM | 2 GB | 2 GB |
| Platform | ||
| Operating system | OxygenOS Watch 8 + Wear OS 7.0 | Android Wear OS 7 |
| Platform | Wear OS | Android |
| Works with | — | Android |
| Chipset | Qualcomm Snapdragon W5 Gen 1 | Snapdragon SW6100 Wear Elite |
