Intel Core i9 11900KB
Intel Core i9 11900KB: Highlights
Intel Core i9 11900KB is a desktop processor produced by Intel. It has 8 cores and 16 threads. CPU base clock frequency is 3300 MHz, but its due to Turbo Boost technology, it can perform up to 4900 MHz. Intel Core i9 11900KB has integrated graphics Intel UHD Graphics 750.
Intel Core i9 11900KB is based on a 10 nm fabrication process and a TDP of 65W. It supports DDR4 memory with a double-channel interface and a memory speed is 3200 MT/s.
SPECIFICATIONS
General Information
| Vendor | Intel |
| Released | April 2021 |
| Type | Desktop |
| Model | Core i9 11900KB |
| Instruction set | 64-bit |
| Codename | Tiger Lake |
| Socket | FCBGA-1787 |
| Integrated GPU | UHD Graphics 750 |
| Supported displays | 4 |
| Supports 64-bit | Yes |
CPU Performance
| Cores | 8 |
| Threads | 18 |
| Base Frequency | 3.30 GHz |
| Turbo Boost Frequency | 4.90 GHz |
| Bus Frequency | 100 MHz |
| Clock Multiplier | 33x |
| L1 Cache | 96K (per core) |
| L2 Cache | 1.25MB (per core) |
| L3 Cache | 24MB (shared) |
| L2 core | 1.25MB/core |
| L3 core | 3MB/core |
| Unlocked Multiplier | Yes |
iGPU
| Integrated Graphics | UHD Graphics 750 |
| GPU Base Clock | 350 MHz |
| GPU Boost Clock | 1450 MHz |
| Shading Units | 256 |
| TMUs | - |
| ROPs | - |
| Execution Units | 32 |
| TGP | 15W |
| Max. Resolution |
4096 x 2304 @ 60Hz 7680 x 4320 @ 60Hz 4096 x 2304 @ 60Hz |
| iGPU FLOPS | 742 TFLOPS |
Power
| Transistors | 9800 Million |
| Fabrication process | 10nm |
| TDP | 65W |
| Max. temperature | 100°C |
Memory Support
| Memory Types | DDR4 |
| Memory Size | 128GB |
| RAM speed | 3200 MT/s |
| Max. Memory Channels | 2 |
| Max. Memory Bandwidth | 51.2 GB/s |
| ECC Support | No |
| DDR memory version | 4 |
| Bus Transfer Rate | - |
| Bus Speed | 8 GT/s |
Miscellaneous
| Official Site | Intel Core i9 11900KB Official website |
| PCI Express Version | 4 |
| PCI Express Lanes | 20 |
Benchmarks
| Cinebench R23 Single-Core | 1720 |
| Cinebench R23 Multi-Core | 17143 |
| Passmark CPU Single-Core | 3955 |
| Passmark CPU Multi-Core | 29307 |
| Geekbench Single-Core | 2041 |
| Geekbench Multi-Core | 13142 |
Key Features
| SSE version | 4.2 |
| Front-end width | - |
| MULTITHREADING | |
| AES | |
| AVX | |
| F16C | |
| MMX | |
| TRUST ZONE | |
| NX BIT | |
| FMA4 | |
| FMA3 |
