vs
6.8Display7.6
8.5Health tracking4.9
6.2Sports & outdoor4.7
8.0Smart features6.6
6.1Build & durability4.7
Dimensions
Size comparison
Watch Series 8Watch GS 3
| Watch Series 8 | Watch GS 3 | Difference | |
|---|---|---|---|
| Height | 45 mm | 45.9 mm | −0.9 mm |
| Width | 38 mm | 45.9 mm | −7.9 mm |
| Thickness | 10.7 mm | 10.5 mm | +0.2 mm |
| Weight | 42 g | 44 g | −2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Series 8 better than Watch GS 3?
- LTE (cellular)Yes · Watch GS 3: No
- Storage32 GB vs 4 GB8×
- Screen size1.9″ vs 1.43″+33%
- eSIMYes · Watch GS 3: No
- Weight42.3 g vs 44 g+4%
Why is Watch GS 3 better than Watch Series 8?
- Battery capacity308 mAh vs 451 mAh+46%
- Resolution (width)396 px vs 466 px+18%
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 46 mm |
| Weight | 42.3 g | 44 g |
| Thickness | 10.7 mm | 10.5 mm |
| Height | 45 mm | 45.9 mm |
| Width | 38 mm | 45.9 mm |
| Case material | Stainless steel | Stainless steel |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire crystal glass | — |
| Strap material | Fluorelastomer | — |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | IP6X | — |
| Water rating (maker) | 50 m | — |
| Colours | Graphite, Silver, Gold | Black, Steel, Gold |
| Display | ||
| Screen size | 1.9″ | 1.43″ |
| Display technology | OLED | AMOLED |
| Panel | Retina LTPO OLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Resolution (width) | 396 px | 466 px |
| Resolution (height) | 484 px | 466 px |
| Pixel density | 326 ppi | 326 ppi |
| Peak brightness | 1,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 0.8 days | — |
| Battery life (hours) | 18 h | — |
| Battery capacity | 308 mAh | 451 mAh |
| Battery type | Li-Ion | Li-Po |
| Wireless charging | Yes | — |
| Charged in 30 min | 53% | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body) | Accelerometer, gyro, heart rate, barometer, compass, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.3 | 5 |
| Ultra Wideband | Yes | — |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 32 GB | 4 GB |
| RAM | 1 GB | 0.031 GB |
| Platform | ||
| Operating system | watchOS 9.0 | Proprietary OS |
| Platform | watchOS | Proprietary |
| Works with | iOS | — |
| Chipset | Apple S8 | — |
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