Intel Core i9-12900 vs Intel Core i9-12900K Full Specs
16 Cores(8P+8E) 24 Threads(16P+8E) 2.4GHz | 16 Cores(8P+8E) 24 Threads(16P+8E) 3.2GHz |
TDP 65W | TDP 125W |
Bandwidth 76.8GB/s · | Bandwidth 76.8GB/s · |
iGPU | iGPU |
·· 1.59 TFLOPSFP16 | ·· 1.59 TFLOPSFP16 |
Socket | Socket |
16 Cores 8P 8E | 16 Cores 8P 8E |
24 Threads 16P 8E | 24 Threads 16P 8E |
Base Clock 2.4GHz | Base Clock 3.2GHz |
Boost Clock 5.1GHz | Boost Clock 5.2GHz |
Overclocking Locked | Overclocking Unlocked |
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 30MB | L3 30MB |
Type · | Type · |
Max Memory 128GB | Max Memory 128GB |
ECC No | ECC No |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 4800MT/s | Speed 4800MT/s |
Bandwidth 76.8GB/s | Bandwidth 76.8GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 76.8GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 76.8GB/s |
TDP 65W | TDP 125W |
Peak Power 202W | Peak Power 241W |
Max Operating Temp 100°C Max | Max Operating Temp 100°C Max |
Included Cooler 1 | Included Cooler 0 |
Bus Type DMI | Bus Type DMI |
Bus Config 8 lanes | Bus Config 8 lanes |
Bus Speed 16GT/s | Bus Speed 16GT/s |
Bus Bandwidth 16GB/s | Bus Bandwidth 16GB/s |
PCIe PCIe 5.0 x1663GB/sBandwidth | PCIe PCIe 5.0 x1663GB/sBandwidth |
PCIe Secondary PCIe 4.0 x47.9GB/sBandwidth | PCIe Secondary PCIe 4.0 x47.9GB/sBandwidth |
iGPU | iGPU |
Shaders 256 | Shaders 256 |
Boost Clock 1.55GHz | Boost Clock 1.55GHz |
·· 1.59 TFLOPSFP16 | ·· 1.59 TFLOPSFP16 |
NPU Model GNA 3.0 | NPU Model GNA 3.0 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA x86-64 |
Architecture | Architecture |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Alder Lake-HX Alder Lake-8P-8EVariant Golden CoveP-Core GracemontE-Core | Codename Alder Lake-HX Alder Lake-8P-8EVariant Golden CoveP-Core GracemontE-Core |
Market Segment Desktop | Market Segment Desktop |
Release Date Jan 18, 2022 | Release Date Nov 4, 2021 |
Foundry Intel | Foundry Intel |
Fabrication Node Intel 7 | Fabrication Node Intel 7 |
Die Size 202mm² | Die Size 202mm² |
Transistor Count 14.6 Billion | Transistor Count 14.6 Billion |
Transistor Density 72 MTr/mm² | Transistor Density 72 MTr/mm² |
No images available
No images available
Desktops | Desktops |
All-in-Ones | All-in-Ones - |



