Apple A15 Bionic (iPad) vs Apple A14 Bionic Full Specs
6 Cores(2P+4E) 6 Threads(2P+4E) 2.93GHz | 6 Cores(2P+4E) 6 Threads(2P+4E) 3GHz |
TDP 5W | TDP 5W |
Bandwidth 34.1GB/s LPDDR4X | Bandwidth 34.1GB/s LPDDR4X |
iGPU | iGPU |
·· 1.71 TFLOPSFP16 | ·· 654.3 GFLOPSFP16 |
A15 Bionic (iPad)2,157
A14 Bionic2,0716 Cores 2P 4E | 6 Cores 2P 4E |
6 Threads 2P 4E | 6 Threads 2P 4E |
Base Clock 2.93GHz | Base Clock 3GHz |
Overclocking Locked | Overclocking Locked |
L1i 192KB P 128KB E | L1i 192KB P 128KB E |
L1d 128KB P 64KB E | L1d 128KB P 64KB E |
L2 12MB P shared 4MB E shared | L2 8MB P shared 4MB E shared |
SLC Cache 32MB | SLC Cache 16MB |
Type LPDDR4X | Type LPDDR4X |
Max Memory 4GB | Max Memory 6GB |
ECC No | ECC No |
Channels 1 | Channels 1 |
Bus Width 64-bit | Bus Width 64-bit |
Speed 4266MT/s | Speed 4266MT/s |
Bandwidth 34.1GB/s | Bandwidth 34.1GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 34.1GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 34.1GB/s |
TDP 5W | TDP 5W |
PCIe PCIe 4.0 x47.9GB/sBandwidth | PCIe PCIe 4.0 x47.9GB/sBandwidth |
iGPU | iGPU |
Shaders 640 | Shaders 256 |
Boost Clock 1.34GHz | Boost Clock 1.28GHz |
·· 1.71 TFLOPSFP16 | ·· 654.3 GFLOPSFP16 |
NPU Model H14 Bia | NPU Model H13 Styx |
NPU Cores 16 | NPU Cores 16 |
NPU Clock 1.94GHz | NPU Clock 1.43GHz |
Performance 15.8 TOPSFP16 | Performance 11 TOPSFP16 |
Manufacturer | Manufacturer |
ISA AArch64 | ISA AArch64 |
Architecture Apple Silicon 11ARMv8.5-A | Architecture Apple Silicon 10ARMv8.5-A |
Family | Family |
Branding  | Branding  |
Codename Ellis A15Variant AvalancheP-Core BlizzardE-Core | Codename Sicily A14Variant FirestormP-Core IcestormE-Core |
Market Segment Tablet | Market Segment Smartphone |
Release Date Sep 24, 2021 | Release Date Oct 23, 2020 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N5P | Fabrication Node N5 |
Die Size 108mm² | Die Size 88mm² |
Transistor Count 15 Billion | Transistor Count 11.8 Billion |
Transistor Density 139 MTr/mm² | Transistor Density 134 MTr/mm² |
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Smartphones - | Smartphones |
Tablets | Tablets - |