Technical Specifications
Performance
| Total Cores | 8 |
|---|---|
| L3 Cache | 16MB (shared) |
| L2 Cache | 512K (per core) |
| L1 Cache | 64K (per core) |
| TGP | 15 W |
Graphics
| Integrated GPU | UHD Graphics 750 |
|---|---|
| Execution Units | 32 |
Technical
| Vendor | Intel |
|---|---|
| Released | March 16, 2021 |
Other Specifications
| File compression | 862.2 MB/sec |
|---|---|
| Clang compilation | 89.5 Klines/sec |
| HTML 5 Browser | 228.1 pages/sec |
| PDF Renderer | 331.5 Mpixels/sec |
| Text processing | 241.7 pages/sec |
| Background blur | 54.3 images/sec |
| Photo processing | 89.4 images/sec |
| Ray tracing | 20.7 Mpixels/sec |
| Integer math | 89.1 GOps/sec |
| Floating point math | 52.8 GOps/sec |
| Find prime numbers | 68M Primes/sec |
| Random string sorting | 37.9M Strings/sec |
| Data encryption | 15.9 GBytes/sec |
| Data compression | 330 MBytes/sec |
| Physics | 1051 Frames/sec |
| Extended instructions | 23.3B Matrices/sec |
| Cinebench 2024 / Watt | 6.6 PPW |
| Geekbench 6 Multi / Watt | 89.6 PPW |
| Passmark CPU Mark / Watt | 200 PPW |
| Blender / Watt | 1.7 PPW |
| Type | Desktop |
| Instruction Set | x86-64 |
| Codename | Rocket Lake |
| Model number | i9-11900K |
| Rival Equivalent | AMD Ryzen 9 5900X |
| P-Cores | 8 |
| P-Threads | 16 |
| Base Frequency (P) | 3.5 GHz |
| Turbo Boost Frequency (P) | 5.3 GHz |
| Total Threads | 16 |
| Bus Frequency | 100 MHz |
| Multiplier | 35x |
| Bus Bandwidth | 8 GT/s |
| Unlocked Multiplier | Yes |
| Fabrication Process | 14 nm |
| TDP (PL1) | 125 W |
| Socket | LGA-1200 |
| Peak Temperature | 100°C |
| Integrated Graphics | Intel UHD Graphics 750 |
| GPU Base Clock | 300 MHz |
| GPU Boost Clock | 1300 MHz |
| Shading Units | 256 |
| TMUs | 64 |
| ROPs | 32 |
| Memory Types | - DDR4-3200 |
| Max. Memory Size | 128 GB |
| Memory Channels | 2 |
| Max. Memory Bandwidth | 50 GB/s |
| ECC Support | No |
| Official Site | Intel Core i9 11900K official page |
| PCI Express Version | 4.0 |
| PCI Express Lanes | 20 |