Core i9-11900KB vs Core i9-11980HK
Aggregated performance score
Primary Details
Comparing Core i9-11980HK and Core i9-11900KB processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 433 | 431 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Tiger Lake | no data |
| Architecture codename | Tiger Lake-HK | Tiger Lake-H (2021) |
| Release date | 11 May 2021 (2 years ago) | May 2021 (3 years ago) |
| Launch price (MSRP) | no data | $539 |
Detailed Specifications
Core i9-11980HK and Core i9-11900KB basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 8 (Octa-Core) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | 2.6 GHz | 3.3 GHz |
| Boost clock speed | 5 GHz | 4.9 GHz |
| L1 cache | 96K (per core) | 80K (per core) |
| L2 cache | 1.25 MB (per core) | 1.25 MB (per core) |
| L3 cache | 24 MB (shared) | 24 MB (shared) |
| Chip lithography | 10 nm SuperFin | 10 nm SuperFin |
| Die size | no data | 190 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | 72 °C | 72 °C |
| 64 bit support | + | + |
| Windows 11 compatibility | + | - |
| Unlocked multiplier | Yes | Yes |
Compatibility
Information on Core i9-11980HK and Core i9-11900KB compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | FCBGA1787 | FCBGA1787 |
| Power consumption (TDP) | 65 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-11980HK and Core i9-11900KB. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| FMA | + | no data |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Hyper-Threading Technology | + | + |
| TSX | + | - |
| Idle States | no data | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | + |
| Turbo Boost Max 3.0 | + | + |
| Status | Discontinued | Launched |
Security technologies
Core i9-11980HK and Core i9-11900KB technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
| Secure Key | + | + |
| Identity Protection | no data | + |
| SGX | - | Yes with Intel® ME |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-11980HK and Core i9-11900KB are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-11980HK and Core i9-11900KB. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR4 |
| Maximum memory size | 128 GB | 128 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 51.2 GB/s | 51.2 GB/s |
| ECC memory support | - | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 11th Gen Intel® Processors | Intel® UHD Graphics for 11th Gen Intel® Processors |
| Quick Sync Video | + | + |
| Graphics max frequency | 1.45 GHz | 1.45 GHz |
| Execution Units | 32 | 32 |
Graphics interfaces
Available interfaces and connections of Core i9-11980HK and Core i9-11900KB integrated GPUs.
| Number of displays supported | 4 | 4 |
Graphics image quality
Maximum display resolutions supported by Core i9-11980HK and Core i9-11900KB integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | no data | + |
| Max resolution over HDMI 1.4 | 4096x2304@60Hz | 4096x2304@60Hz |
| Max resolution over eDP | 4096x2304@60Hz | 4096 x 2304@60Hz |
| Max resolution over DisplayPort | 7680x4320@60Hz | 7680x4320@60Hz |
Graphics API support
APIs supported by Core i9-11980HK and Core i9-11900KB integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | 12 |
| OpenGL | 4.6 | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Core i9-11980HK and Core i9-11900KB.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 20 | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
Core i9-11980HK outperforms Core i9-11900KB by 1% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Core i9-11980HK outperforms Core i9-11900KB by 3% in Cinebench 10 32-bit multi-core.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
Core i9-11980HK outperforms Core i9-11900KB by 118% in wPrime 32.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Benchmark coverage: 17%
Core i9-11900KB outperforms Core i9-11980HK by 5% in Cinebench 11.5 64-bit multi-core.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Benchmark coverage: 15%
Core i9-11980HK outperforms Core i9-11900KB by 6% in Cinebench 15 64-bit multi-core.
Cinebench 15 64-bit single-core
Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.
Benchmark coverage: 15%
Core i9-11900KB outperforms Core i9-11980HK by 7% in Cinebench 15 64-bit single-core.
Cinebench 11.5 64-bit single-core
Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.
Benchmark coverage: 14%
Core i9-11900KB outperforms Core i9-11980HK by 3% in Cinebench 11.5 64-bit single-core.
Pros & Cons Summary
| Performance score | 14.80 | 14.81 |
Given the minimal performance differences, no clear winner can be declared between Core i9-11980HK and Core i9-11900KB.
Be aware that Core i9-11980HK is a notebook processor while Core i9-11900KB is a desktop one.
Should you still have questions on choice between Core i9-11980HK and Core i9-11900KB, ask them in Comments section, and we shall answer.
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