Intel Core i9-12900HK vs Intel Core i9-12900HX Full Specs
14 Cores(6P+8E) 20 Threads(12P+8E) 2.5GHz | 16 Cores(8P+8E) 24 Threads(16P+8E) 2.3GHz |
TDP 45W | TDP 55W |
Bandwidth 83.2GB/s ··· | Bandwidth 76.8GB/s · |
iGPU | iGPU |
·· 4.45 TFLOPSFP16 | ·· 1.59 TFLOPSFP16 |
Socket | Socket |
Core i9-12900HK2,258Core i9-12900HX2,45714 Cores 6P 8E | 16 Cores 8P 8E |
20 Threads 12P 8E | 24 Threads 16P 8E |
Base Clock 2.5GHz | Base Clock 2.3GHz |
Boost Clock 5GHz | Boost Clock 5GHz |
Overclocking Unlocked | Overclocking Locked |
L1i 32KB P 64KB E | L1i 32KB P 64KB E |
L1d 48KB P 32KB E | L1d 48KB P 32KB E |
L2 1.25MB P 4MB E shared | L2 1.25MB P 4MB E shared |
L3 24MB | L3 30MB |
Type ··· | Type · |
Max Memory 64GB | Max Memory 128GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 5200MT/s | Speed 4800MT/s |
Bandwidth 83.2GB/s | Bandwidth 76.8GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 83.2GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 76.8GB/s |
TDP 45W | TDP 55W |
Peak Power 115W | Peak Power 157W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
Bus Type OPI | Bus Type DMI |
Bus Config 8 lanes | Bus Config 8 lanes |
Bus Speed 4GT/s | Bus Speed 16GT/s |
Bus Bandwidth 4GB/s | Bus Bandwidth 16GB/s |
PCIe PCIe 4.0 x1631.5GB/sBandwidth | PCIe PCIe 5.0 x1663GB/sBandwidth |
PCIe Secondary PCIe 3.0 x43.9GB/sBandwidth | PCIe Secondary PCIe 4.0 x47.9GB/sBandwidth |
iGPU | iGPU |
Shaders 768 | Shaders 256 |
Boost Clock 1.45GHz | Boost Clock 1.55GHz |
·· 4.45 TFLOPSFP16 | ·· 1.59 TFLOPSFP16 |
NPU Model GNA 3.0 | NPU Model GNA 3.0 |
Controller Model 600 Series P+ | Controller Model - |
Codename Alder Lake | Codename - |
PCIe - | PCIe - |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Alder Lake-H Alder Lake-6P-8EVariant Golden CoveP-Core GracemontE-Core | Codename Alder Lake-HX Alder Lake-8P-8EVariant Golden CoveP-Core GracemontE-Core |
Market Segment Laptop | Market Segment Laptop |
Release Date Jan 18, 2022 | Release Date May 10, 2022 |
Foundry Intel | Foundry Intel |
Other Foundries IntelPCH | Other Foundries - |
Fabrication Node Intel 7 14nmPCH | Fabrication Node Intel 7 - |
Die Size 208mm² 54mm²PCH | Die Size 202mm² - |
Transistor Count 15.2 Billion | Transistor Count 14.6 Billion |
Transistor Density 73 MTr/mm² | Transistor Density 72 MTr/mm² |
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