Apple S9 vs Apple S5 Full Specs
S925.6GB/s
S512.8GB/s2 Cores | 2 Cores |
2 Threads | 2 Threads |
Base Clock 2.02GHz | Base Clock 1.59GHz |
Overclocking Locked | Overclocking Locked |
L1i 128KB | L1i 32KB |
L1d 64KB | L1d 32KB |
L2 4MB shared | L2 2MB shared |
SLC Cache 4MB | SLC Cache 1MB |
Type LPDDR5 | Type LPDDR4 |
Max Memory 2GB | Max Memory 1GB |
ECC No | ECC No |
Channels 1 | Channels 1 |
Bus Width 32-bit | Bus Width 32-bit |
Speed 6400MT/s | Speed 3200MT/s |
Bandwidth 25.6GB/s | Bandwidth 12.8GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 25.6GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 12.8GB/s |
TDP 2W | TDP 2W |
NPU Model H15 Crius | NPU Model H11 Mercury |
NPU Cores 4 | NPU Cores 2 |
Performance 4.3 TOPSFP16 | Performance 1.3 TOPSFP16 |
Manufacturer | Manufacturer |
ISA AArch64 | ISA AArch64 |
Architecture Apple Silicon 12ARMv8.5-A | Architecture Apple Silicon 8ARMv8.3-A |
Family | Family |
Branding  | Branding  |
Codename Caicos Sawtooth P-Core | Codename - TempestP-Core |
Market Segment Smartwatch | Market Segment Smartwatch |
Release Date Sep 12, 2023 | Release Date Sep 25, 2019 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N4P | Fabrication Node N7 |
Die Size 41mm² | Die Size 38mm² |
Transistor Count 5.6 Billion | Transistor Count - |
Transistor Density 135 MTr/mm² | Transistor Density - |
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