vs
5.3Display4.6
9.2Health tracking5.0
6.4Sports & outdoor4.7
8.4Smart features9.6
7.5Build & durability4.5
Dimensions
Size comparison
Galaxy Watch4Watch S3
| Galaxy Watch4 | Watch S3 | Difference | |
|---|---|---|---|
| Height | 44.4 mm | 47 mm | −2.6 mm |
| Width | 43.3 mm | 47 mm | −3.7 mm |
| Thickness | 9.8 mm | 12 mm | −2.2 mm |
| Weight | 30 g | 44 g | −14 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy Watch4 better than Watch S3?
- Weight30.3 g vs 44 g+45%
- Thickness9.8 mm vs 12 mm+22%
Why is Watch S3 better than Galaxy Watch4?
- Battery life (smartwatch mode)2.2 days vs 12 days5.5×
- Screen size1.4″ vs 1.43″+2%
- Battery capacity361 mAh vs 486 mAh+35%
- Resolution (width)450 px vs 466 px+4%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 47 mm |
| Weight | 30.3 g | 44 g |
| Thickness | 9.8 mm | 12 mm |
| Height | 44.4 mm | 47 mm |
| Width | 43.3 mm | 47 mm |
| Case material | Aluminium | Aluminium |
| Lens / cover glass | Corning Gorilla Glass DX+ | Scratch/drop-proof glass |
| Strap material | Fluorelastomer | Fluorelastomer |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | 50 m / 5 bar / 5 ATM |
| Military-grade (MIL-STD-810) | Yes | — |
| Colours | Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition | Black, Silver, Brown |
| Display | ||
| Screen size | 1.4″ | 1.43″ |
| Display technology | AMOLED | AMOLED |
| Panel | Super AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Touchscreen | — | Yes |
| Resolution (width) | 450 px | 466 px |
| Resolution (height) | 450 px | 466 px |
| Pixel density | 321 ppi | 326 ppi |
| Peak brightness | — | 600 nits |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 2.2 days | 12 days |
| Battery life (hours) | 52 h | — |
| Battery capacity | 361 mAh | 486 mAh |
| Battery type | Li-Ion | Li-Po |
| Wireless charging | Yes | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, compass, barometer, heart rate, SpO2 | Accelerometer, gyro, compass, barometer, heart rate, 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 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Music on the watch | Yes | — |
| Storage | 16 GB | — |
| RAM | 1.5 GB | — |
| Platform | ||
| Operating system | Android Wear OS 4 | HyperOS |
| Platform | Android | Proprietary |
| Works with | Android | iOS, Android |
| Chipset | Exynos W920 | — |
Related comparisons
vs
Samsung Galaxy Watch5vsSamsung Galaxy Watch46.46.7
vsSamsung Galaxy Watch6vsSamsung Galaxy Watch48.86.7
vsSamsung Galaxy Watch5 ProvsSamsung Galaxy Watch46.86.7
vsSamsung Galaxy Watch4 ClassicvsSamsung Galaxy Watch46.26.7
vsApple Watch UltravsSamsung Galaxy Watch47.36.7vs
Samsung Galaxy Watch4vsHuawei Watch GT 36.76.3