Intel Core i9-12900K vs AMD Ryzen 9 9950X Full Specs
16 Cores(8P+8E) 24 Threads(16P+8E) 3.2GHz | 16 Cores 32 Threads 4.3GHz |
TDP 125W | TDP 170W |
Bandwidth 76.8GB/s · | Bandwidth 89.6GB/s DDR5 |
iGPU | iGPU |
·· 1.59 TFLOPSFP16 | ·· 1.13 TFLOPSFP16 |
Socket | Socket |
16 Cores 8P 8E | 16 Cores 16P - |
24 Threads 16P 8E | 32 Threads 32P - |
Base Clock 3.2GHz | Base Clock 4.3GHz |
Boost Clock 5.2GHz | Boost Clock 5.7GHz |
Overclocking Unlocked | Overclocking Unlocked |
L1i 32KB P 64KB E | L1i 32KB P - |
L1d 48KB P 32KB E | L1d 48KB P - |
L2 1.25MB P 4MB E shared | L2 1MB P - |
L3 30MB | L3 64MB |
Type · | Type DDR5 |
Max Memory 128GB | Max Memory 192GB |
ECC No | ECC Yes |
Channels 2 | Channels 2 |
Bus Width 128-bit | Bus Width 128-bit |
Speed 4800MT/s | Speed 5600MT/s |
Bandwidth 76.8GB/s | Bandwidth 89.6GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 76.8GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 89.6GB/s |
TDP 125W | TDP 170W |
Peak Power 241W | Peak Power - |
Max Operating Temp 100°C Max | Max Operating Temp 95°C Max |
Included Cooler 0 | Included Cooler 0 |
Bus Type DMI | Bus Type PCIe |
Bus Config 8 lanes | Bus Config 8 lanes |
Bus Speed 16GT/s | Bus Speed 32GT/s |
Bus Bandwidth 16GB/s | Bus Bandwidth 32GB/s |
PCIe PCIe 5.0 x1663GB/sBandwidth | PCIe PCIe 5.0 x2494.5GB/sBandwidth |
PCIe Secondary PCIe 4.0 x47.9GB/sBandwidth | - |
iGPU | iGPU |
Shaders 256 | Shaders 128 |
Boost Clock 1.55GHz | Boost Clock 2.2GHz |
·· 1.59 TFLOPSFP16 | ·· 1.13 TFLOPSFP16 |
NPU Model GNA 3.0 | NPU Model - |
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 Granite Ridge EldoraDie Granite Ridge 2CCDVariant - - |
Market Segment Desktop | Market Segment Desktop |
Release Date Nov 4, 2021 | Release Date Jun 2, 2024 |
Foundry Intel | Foundry TSMC |
Other Foundries - | Other Foundries TSMCIO |
Fabrication Node Intel 7 - | Fabrication Node N4X N6IO |
Die Size 202mm² - | Die Size 141mm² 122mm²IO |
Transistor Count 14.6 Billion - | Transistor Count 16.6 Billion 3.4 BillionIO |
Transistor Density 72 MTr/mm² - | Transistor Density 118 MTr/mm² 28 MTr/mm²IO |
No images available
No images available
Desktops | Desktops - |



