Apple S4 vs Qualcomm Snapdragon Wear 4100+ Full Specs
2 Cores 2 Threads 1.59GHz | 5 Cores(4P+1E) 5 Threads(4P+1E) 2GHz |
TDP 2W | TDP 3W |
Bandwidth 12.8GB/s LPDDR4 | Bandwidth 6GB/s LPDDR3 |
iGPU | iGPU |
·· 71.94 GFLOPSFP16 | ·· 76.8 GFLOPSFP16 |
2 Cores 2P - | 5 Cores 4P 1E |
2 Threads 2P - | 5 Threads 4P 1E |
Base Clock 1.59GHz | Base Clock 2GHz |
Overclocking Locked | Overclocking Locked |
L1i 32KB P | L1i - |
L1d 32KB P | L1d - |
L2 2MB P shared | L2 - |
SLC Cache 1MB | SLC Cache - |
Type LPDDR4 | Type LPDDR3 |
Max Memory 1GB | Max Memory - |
ECC No | ECC No |
Channels 1 | Channels 1 |
Bus Width 32-bit | Bus Width 32-bit |
Speed 3200MT/s | Speed 1500MT/s |
Bandwidth 12.8GB/s | Bandwidth 6GB/s |
Bandwidth Calculator Channels Transfer Rate ·· | Bandwidth Calculator Channels Transfer Rate ·· |
TDP 2W | TDP 3W |
iGPU | iGPU |
Shaders 64 | Shaders 48 |
Boost Clock 562MHz | Boost Clock 400MHz |
·· 71.94 GFLOPSFP16 | ·· 76.8 GFLOPSFP16 |
NPU Model H11 Mercury | NPU Model - |
NPU Cores 2 | NPU Cores - |
Performance 1.3 TOPSFP16 | Performance - |
Modem Model - | Modem Model X5 |
Peak Down - | Peak Down Up to 150Mbps |
Peak Up - | Peak Up Up to 50Mbps |
Manufacturer | Manufacturer |
ISA AArch64 | ISA AArch64 |
Architecture Apple Silicon 8ARMv8.3-A | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename TempestP-Core - | Codename Cortex-A53P-Core Cortex-M0E-Core |
Market Segment Smartwatch | Market Segment Smartwatch |
Release Date Sep 21, 2018 | Release Date Apr 1, 2020 |
Foundry TSMC | Foundry Samsung |
Fabrication Node N7 | Fabrication Node 28nm LP |
Die Size 38mm² | Die Size - |



