vs
7.2Display2.7
9.0Smart features2.5
Dimensions
Size comparison
Watch Series 7 AluminumC7
| Watch Series 7 Aluminum | C7 | Difference | |
|---|---|---|---|
| Height | 45 mm | 44 mm | +1 mm |
| Width | 38 mm | 44 mm | −6 mm |
| Thickness | 10.7 mm | 12 mm | −1.3 mm |
| Weight | 32 g | 34 g | −2 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Watch Series 7 Aluminum better than C7?
- Built-in GPSYes · C7: No
- AMOLED / OLED displayYes · C7: No
- NFC paymentsYes · C7: No
- LTE (cellular)Yes · C7: No
- Screen size1.9″ vs 1.54″+23%
- eSIMYes · C7: No
- SpeakerYes · C7: No
- Weight32 g vs 34 g+6%
- Resolution (width)396 px vs 240 px+65%
- Pixel density326 ppi vs 220 ppi+48%
- Battery capacity309 mAh vs 260 mAh+19%
- Thickness10.7 mm vs 12 mm+12%
Why is C7 better than Watch Series 7 Aluminum?
C7 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 45 mm | 44 mm |
| Weight | 32 g | 34 g |
| Thickness | 10.7 mm | 12 mm |
| Height | 45 mm | 44 mm |
| Width | 38 mm | 44 mm |
| Case material | Aluminium | — |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Ion-X strengthened glass | Scratch-resistant glass |
| Water resistance | 5 ATM | — |
| Ingress protection | IP6X | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Colours | Starlight, Midnight, Blue, Green, Red | Black, Pink |
| Display | ||
| Screen size | 1.9″ | 1.54″ |
| Display technology | OLED | LCD |
| Panel | Retina LTPO OLED | IPS LCD |
| AMOLED / OLED display | Yes | No |
| Resolution (width) | 396 px | 240 px |
| Resolution (height) | 484 px | 240 px |
| Pixel density | 326 ppi | 220 ppi |
| Peak brightness | 1,000 nits | — |
| LTPO display | Yes | — |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 309 mAh | 260 mAh |
| Battery type | Li-Ion | — |
| Wireless charging | Yes | — |
| Charged in 30 min | 53% | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | — |
| ECG | Yes | — |
| Sensors | Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max | Accelerometer, gyro, heart rate |
| Sports & navigation | ||
| Built-in GPS | Yes | No |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Connectivity | ||
| NFC payments | Yes | No |
| LTE (cellular) | Yes | No |
| eSIM | Yes | No |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5 | 5 |
| Ultra Wideband | Yes | — |
| Smart features | ||
| Speaker | Yes | No |
| Storage | 32 GB | — |
| RAM | 1 GB | — |
| Platform | ||
| Operating system | watchOS 8.0 | Proprietary OS |
| Platform | watchOS | Proprietary |
| Chipset | Apple S7 | — |
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