S1
S8
Apple S1 vs Apple S8 Full Specs
1 Core 1 Thread 520MHz | 2 Cores 2 Threads 1.73GHz |
TDP 2W | TDP 2W |
Bandwidth 6.4GB/s LPDDR3 | Bandwidth 12.8GB/s LPDDR4 |
iGPU | iGPU |
·· 6.4 GFLOPSFP32 | ·· 86.4 GFLOPSFP16 |
S16.4GB/s
S812.8GB/s1 Core | 2 Cores |
1 Threads | 2 Threads |
Base Clock 520MHz | Base Clock 1.73GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB | L1i 96KB |
L1d 32KB | L1d 48KB |
L2 256KB | L2 4MB shared |
SLC Cache - | SLC Cache 1MB |
Type LPDDR3 | Type LPDDR4 |
Max Memory 512MB | Max Memory 1.5GB |
ECC No | ECC No |
Channels 1 | Channels 1 |
Bus Width 32-bit | Bus Width 32-bit |
Speed 1600MT/s | Speed 3200MT/s |
Bandwidth 6.4GB/s | Bandwidth 12.8GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 2W | TDP 2W |
iGPU | iGPU |
Shaders 16 | Shaders 64 |
Boost Clock 200MHz | Boost Clock 675MHz |
·· 6.4 GFLOPSFP32 | ·· 86.4 GFLOPSFP16 |
NPU Model - | NPU Model H11 Mercury |
NPU Cores - | NPU Cores 2 |
Performance - | Performance 2 TOPSFP16 |
Manufacturer | Manufacturer |
ISA AArch32 | ISA AArch64 |
Architecture | Architecture Apple Silicon 9ARMv8.4-A |
Family | Family |
Branding  | Branding  |
Codename - Cortex-A7P-Core | Codename Turks ThunderP-Core |
Market Segment Smartwatch | Market Segment Smartwatch |
Release Date Apr 24, 2015 | Release Date Sep 16, 2022 |
Part Number APL S1 | Part Number APL S8 |
Foundry Samsung | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node N7P |
Die Size 34mm² | Die Size 40mm² |
Transistor Count 338M | Transistor Count 3.5B |
Transistor Density 10 MTr/mm² | Transistor Density 88 MTr/mm² |