Technical Specifications
Performance
| Total Cores | 16 |
|---|---|
| L3 Cache | 30MB (shared) |
| L2 Cache | 14MB (shared) |
| L1 Cache | 64K (per core) |
| TGP | 15 W |
Graphics
| Integrated GPU | UHD Graphics 770 |
|---|---|
| Execution Units | 32 |
Technical
| Vendor | Intel |
|---|---|
| Released | October 27, 2021 |
Other Specifications
| File compression | 1260 MB/sec |
|---|---|
| Clang compilation | 146.1 Klines/sec |
| HTML 5 Browser | 414.2 pages/sec |
| PDF Renderer | 480.2 Mpixels/sec |
| Text processing | 273.2 pages/sec |
| Background blur | 69.4 images/sec |
| Photo processing | 147.8 images/sec |
| Ray tracing | 34.4 Mpixels/sec |
| Integer math | 139.1 GOps/sec |
| Floating point math | 105.4 GOps/sec |
| Find prime numbers | 147M Primes/sec |
| Random string sorting | 57.1M Strings/sec |
| Data encryption | 29.6 GBytes/sec |
| Data compression | 536.9 MBytes/sec |
| Physics | 2218 Frames/sec |
| Extended instructions | 33.7B Matrices/sec |
| Cinebench 2024 / Watt | 12.2 PPW |
| Geekbench 6 Multi / Watt | 136 PPW |
| Passmark CPU Mark / Watt | 329.4 PPW |
| Blender / Watt | 2.93 PPW |
| Type | Desktop |
| Instruction Set | x86-64 |
| Codename | Alder Lake |
| Model number | i9-12900K |
| Rival Equivalent | AMD Ryzen 9 5950X |
| P-Cores | 8 |
| P-Threads | 16 |
| Base Frequency (P) | 3,2 GHz |
| Turbo Boost Frequency (P) | 5.1 GHz |
| E-Cores | 8 |
| E-Threads | 8 |
| Base Frequency (E) | 2.4 GHz |
| Turbo Boost Frequency (E) | 3.9 GHz |
| Total Threads | 24 |
| Bus Frequency | 100 MHz |
| Multiplier | 32x |
| Unlocked Multiplier | Yes |
| Fabrication Process | 10 nm |
| TDP (PL1) | 125 W |
| Max. Boost TDP (PL2) | 241 W |
| Socket | LGA-1700 |
| Peak Temperature | 100°C |
| Integrated Graphics | Intel UHD Graphics 770 |
| GPU Base Clock | 300 MHz |
| GPU Boost Clock | 1550 MHz |
| Shading Units | 256 |
| TMUs | 16 |
| ROPs | 8 |
| Memory Types |
|
| Max. Memory Size | 128 GB |
| Memory Channels | 2 |
| Max. Memory Bandwidth | 76.8 GB/s |
| ECC Support | Yes |
| Official Site | Intel Core i9 12900K official page |
| PCI Express Version | 5.0 |
| PCI Express Lanes | 20 |