vs
5.2Display8.1
Why is Eco Watch 3 Smartwatch 1,32" AMOLED Touchscreen better than Watch 4?
Eco Watch 3 Smartwatch 1,32" AMOLED Touchscreen has no measurable advantages in this pair.
Why is Watch 4 better than Eco Watch 3 Smartwatch 1,32" AMOLED Touchscreen?
- Battery capacity280 mAh vs 646 mAh2.3×
- Screen size1.32″ vs 1.5″+14%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 47 mm |
| Weight | — | 43 g |
| Thickness | — | 11 mm |
| Height | — | 47.4 mm |
| Width | — | 47.4 mm |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Sapphire crystal glass |
| Water resistance | — | 5 ATM |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Black | Midnight Titanium, Evergreen Titanium |
| Display | ||
| Screen size | 1.32″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | LTPO AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 466 px | 466 px |
| Resolution (height) | 466 px | 466 px |
| Pixel density | — | 310 ppi |
| Peak brightness | — | 3,000 nits |
| LTPO display | — | Yes |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery capacity | 280 mAh | 646 mAh |
| Battery type | — | Si/C |
| Wireless charging | — | No |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | — | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | — | 5.2 |
| Smart features | ||
| Speaker | — | Yes |
| Storage | — | 32 GB |
| RAM | — | 2 GB |
| Platform | ||
| Operating system | — | OxygenOS Watch 8 + Wear OS 7.0 |
| Platform | — | Wear OS |
| Chipset | — | Qualcomm Snapdragon W5 Gen 1 |
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