vs
5.1Display8.1
5.0Health tracking9.2
Dimensions
Size comparison
Rainbow One SmartwatchWatch 4
| Rainbow One Smartwatch | Watch 4 | Difference | |
|---|---|---|---|
| Case size | 43 mm | 47.4 mm | −4.4 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Rainbow One Smartwatch better than Watch 4?
Rainbow One Smartwatch has no measurable advantages in this pair.
Why is Watch 4 better than Rainbow One Smartwatch?
- Wi-FiWi-Fi 1 vs Wi-Fi 44×
- Screen size1.3″ vs 1.5″+15%
- Resolution (width)360 px vs 466 px+29%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 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 |
| Strap material | Silikon | — |
| Water resistance | — | 5 ATM |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Gold | Midnight Titanium, Evergreen Titanium |
| Display | ||
| Screen size | 1.3″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | LTPO AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 360 px | 466 px |
| Resolution (height) | 360 px | 466 px |
| Pixel density | — | 310 ppi |
| Peak brightness | — | 3,000 nits |
| LTPO display | — | Yes |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery capacity | — | 646 mAh |
| Battery type | — | Si/C |
| Wireless charging | — | No |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| Sensors | SpO2 | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GPS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Wi-Fi | Wi-Fi 1 | Wi-Fi 4 |
| Bluetooth | 5 | 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 |
| Works with | Android | — |
| Chipset | — | Qualcomm Snapdragon W5 Gen 1 |
