vs
6.2Display7.2
5.0Health tracking5.0
9.3Sports & outdoor8.0
7.9Smart features9.0
5.7Build & durability8.3
Dimensions
Size comparison
Watch Series 6Watch Series 7 Aluminum
| Watch Series 6 | Watch Series 7 Aluminum | Difference | |
|---|---|---|---|
| Height | 44 mm | 45 mm | −1 mm |
| Width | 38 mm | 38 mm | = |
| Thickness | 10.7 mm | 10.7 mm | = |
| Weight | 47 g | 32 g | +15 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Series 6 better than Watch Series 7 Aluminum?
Watch Series 6 has no measurable advantages in this pair.
Why is Watch Series 7 Aluminum better than Watch Series 6?
- Weight47.1 g vs 32 g+47%
- Screen size1.78″ vs 1.9″+7%
- Resolution (width)368 px vs 396 px+8%
Specifications
Side by side
| Design & durability | ||
| Case size | 44 mm | 45 mm |
| Weight | 47.1 g | 32 g |
| Thickness | 10.7 mm | 10.7 mm |
| Height | 44 mm | 45 mm |
| Width | 38 mm | 38 mm |
| Case material | Stainless steel | Aluminium |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire crystal glass | Ion-X strengthened glass |
| Strap material | Fluorelastomer | — |
| Water resistance | 5 ATM | 5 ATM |
| Ingress protection | — | IP6X |
| Water rating (maker) | 50 m / 5 bar / 5 ATM | — |
| Colours | Silver, Graphite (DLC), Gold (PVD) | Starlight, Midnight, Blue, Green, Red |
| Display | ||
| Screen size | 1.78″ | 1.9″ |
| Display technology | OLED | OLED |
| Panel | Retina LTPO OLED | Retina LTPO OLED |
| AMOLED / OLED display | Yes | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 368 px | 396 px |
| Resolution (height) | 448 px | 484 px |
| Pixel density | 326 ppi | 326 ppi |
| Peak brightness | 1,000 nits | 1,000 nits |
| LTPO display | Yes | Yes |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery life (smartwatch mode) | 2 days | — |
| Battery capacity | 304 mAh | 309 mAh |
| Battery type | Li-Ion | Li-Ion |
| Wireless charging | Yes | Yes |
| Charged in 30 min | — | 53% |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Sleep tracking | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, QZSS | GLONASS, GALILEO, BDS, QZSS |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| LED flashlight | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| LTE (cellular) | Yes | Yes |
| eSIM | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | 5 | 5 |
| Ultra Wideband | Yes | Yes |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 32 GB | 32 GB |
| RAM | 1 GB | 1 GB |
| Platform | ||
| Operating system | watchOS 7.0 | watchOS 8.0 |
| Platform | watchOS | watchOS |
| Works with | iOS | — |
| Chipset | Apple S6 | Apple S7 |
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