S4
First 64-bit Apple Watch SiP with Tempest CPU cores, used in Apple Watch Series 4
1 variant
| Spec | S4 |
|---|---|
| CPU | |
| CPU Cores | 2 |
| Performance CPU Name | Tempest |
| Performance Core Speed (GHz) | 1.59 |
| CPU ISA | ARMv8.3-A |
| GPU | |
| GPU Vendor | Apple |
| Memory | |
| Memory type | LPDDR4X |
| Semiconductor Tech | |
| Process node (nm) | 7 |
| Codename | APL1W82 |
| Part number | T8006 |
| Release date | 2018-09-21 |