Intel Core i9 11900K
- Cores: 8
- L3 cache: 16MB (shared)
- TDP: 125 W
- Transistor size: 14 nm
Core i9 11900K - desktop processor produced by Intel for socket LGA-1200 that has 8 cores and 16 threads. The base clock frequency of the CPU is 3500 MHz, but due to Turbo Boost technology, it can perform up to 5300 MHz. The size of the L3 cache is 16 MB. Please note that this chip has integrated graphics Intel UHD Graphics 750.
Review
Compare Intel Core i9 11900K with other CPUs
Test in Benchmarks
Performance test of Intel Core i9 11900K in benchmarksCinebench
GeekBench v6
| 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 |
PassMark
| Integer math | 88.9 GOps/sec |
| Floating point math | 52.7 GOps/sec |
| Find prime numbers | 67M Primes/sec |
| Random string sorting | 37.9M Strings/sec |
| Data encryption | 15.8 GBytes/sec |
| Data compression | 328.6 MBytes/sec |
| Physics | 1047 Frames/sec |
| Extended instructions | 23.3B Matrices/sec |
Blender
Performance Per Watt
| Cinebench 2024 / Watt | 6.6 PPW |
| Geekbench 6 Multi / Watt | 89.6 PPW |
| Passmark CPU Mark / Watt | 199.2 PPW |
| Blender / Watt | 1.7 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
| Date | Benchmark | Result |
|---|---|---|
| π 2025-04-20 (Zodiax) | Cinebench 2024 | 95 / 819 |
| π 2025-02-26 (poweruser65535) | Cinebench 2024 | 102 / 870 |
| π 2024-10-15 (antoine) | Cinebench 2024 | 89 / 698 |
Specifications
Core i9 11900K technical specificationsGeneral
| Vendor | Intel |
| Released | March 16, 2021 |
| Type | Desktop |
| Instruction Set | x86-64 |
| Codename | Rocket Lake |
| Model number | i9-11900K |
| Integrated GPU | UHD Graphics 750 |
| AMD Equivalent | - AMD Ryzen 9 5900X |
| Successor | - Intel Core Ultra 9 285K |
Intel CPU rating - 127th place
CPU
| P-Cores | 8 |
| P-Threads | 16 |
| Base Frequency (P) | 3.5 GHz |
| Turbo Boost Frequency (P) | 5.3 GHz |
| Total Cores | 8 |
| Total Threads | 16 |
| Bus Frequency | 100 MHz |
| Multiplier | 35x |
| Bus Bandwidth | 8 GT/s |
| L1 Cache | 64K (per core) |
| L2 Cache | 512K (per core) |
| L3 Cache | 16MB (shared) |
| Unlocked Multiplier | Yes |
Package
| Fabrication Process | 14 nm |
| TDP (PL1) | 125 W |
| Socket | LGA-1200 |
| Peak Temperature | 100Β°C |
Desktop CPU ranking - 95th place
iGPU
| Integrated Graphics | Intel UHD Graphics 750 |
| GPU Base Clock | 300 MHz |
| GPU Boost Clock | 1300 MHz |
| Shading Units | 256 |
| TMUs | 64 |
| ROPs | 32 |
| Execution Units | 32 |
| TGP | 15 W |
See also: Intel UHD Graphics 750 β integrated graphics of Intel Core i9 11900K
Memory Support
| Memory Types | - DDR4-3200 |
| Max. Memory Size | 128 GB |
| Memory Channels | 2 |
| Max. Memory Bandwidth | 50 GB/s |
| ECC Support | No |
Misc
| Official Site | Intel Core i9 11900K official page |
| PCI Express Version | 4.0 |
| PCI Express Lanes | 20 |
| Technologies | - Compute: ABM, ADX, AVX-512F, BMI1, BMI2, CLMUL, F16C, SHA
- Performance: EIST, TBT 2.0, TBT 3.0, TSX, TVB
- Virtualization: VT-d, VT-x
- Security: RDRAND, TXT, XD bit |