Dimensions
Size comparison
GTS 4Watch 4
| GTS 4 | Watch 4 | Difference | |
|---|---|---|---|
| Height | 36.5 mm | 47.4 mm | −10.9 mm |
| Width | 42.7 mm | 47.4 mm | −4.7 mm |
| Thickness | 9.9 mm | 11 mm | −1.1 mm |
| Weight | 27 g | 43 g | −16 g |
Drawn to the same scale from the official dimensions (front and side).
Why is GTS 4 better than Watch 4?
- Battery life (smartwatch mode)8 days vs 5 days+60%
- Weight27 g vs 43 g+59%
- Screen size1.75″ vs 1.5″+17%
- Thickness9.9 mm vs 11 mm+11%
- Pixel density341 ppi vs 310 ppi+10%
Why is Watch 4 better than GTS 4?
- Battery capacity300 mAh vs 646 mAh2.2×
- Resolution (width)390 px vs 466 px+19%
Specifications
Side by side
| Design & durability | ||
| Case size | — | 47 mm |
| Weight | 27 g | 43 g |
| Thickness | 9.9 mm | 11 mm |
| Height | 36.5 mm | 47.4 mm |
| Width | 42.7 mm | 47.4 mm |
| Case material | Aluminium | Titanium |
| Sapphire crystal | — | Yes |
| Lens / cover glass | Tempered glass | Sapphire crystal glass |
| Strap material | — | Fluorelastomer |
| 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 | — | Midnight Titanium, Evergreen Titanium |
| Display | ||
| Screen size | 1.75″ | 1.5″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | LTPO AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | — | Yes |
| Touchscreen | Yes | Yes |
| Resolution (width) | 390 px | 466 px |
| Resolution (height) | 450 px | 466 px |
| Pixel density | 341 ppi | 310 ppi |
| Peak brightness | — | 3,000 nits |
| LTPO display | — | Yes |
| Refresh rate | — | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 8 days | 5 days |
| GPS battery life | 28 h | — |
| GPS battery life (dual-band) | 16 h | — |
| Battery capacity | 300 mAh | 646 mAh |
| Battery type | — | Si/C |
| Wireless charging | — | No |
| Charging | Magnetic charging | — |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Blood oxygen (SpO2) | — | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | — | Accelerometer, gyro, barometer, compass, heart rate, SpO2, thermometer (skin temperature) |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Multisport / triathlon mode | — | Yes |
| Sport profiles | 150 | — |
| Connectivity | ||
| NFC payments | — | Yes |
| LTE (cellular) | — | No |
| eSIM | — | No |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5 | 5.2 |
| Smart features | ||
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Voice assistant | — | Yes |
| Music on the watch | — | Yes |
| Storage | — | 32 GB |
| RAM | — | 2 GB |
| Platform | ||
| Operating system | Zepp OS | OxygenOS Watch 8 + Wear OS 7.0 |
| Platform | Proprietary | Wear OS |
| Works with | iOS, Android | Android |
| Chipset | — | Qualcomm Snapdragon W5 Gen 1 |
