Ryzen 5 8640U vs i9-11900H
Aggregate performance score
Ryzen 5 8640U outperforms Core i9-11900H by a minimal 2% based on our aggregate benchmark results.
Primary details
Comparing Core i9-11900H and Ryzen 5 8640U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 581 | 565 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Tiger Lake | no data |
| Power efficiency | 34.98 | 44.60 |
| Architecture codename | Tiger Lake-H (2021) | Hawk Point-U (Zen 4) (2023) |
| Release date | 11 May 2021 (3 years ago) | 6 December 2023 (less than a year ago) |
Detailed specifications
Core i9-11900H and Ryzen 5 8640U 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) | 6 (Hexa-Core) |
| Threads | 16 | 12 |
| Base clock speed | 2.5 GHz | 3.5 GHz |
| Boost clock speed | 4.9 GHz | 4.9 GHz |
| Bus rate | 8 GT/s | no data |
| L1 cache | 96K (per core) | 64 KB (per core) |
| L2 cache | 1.25 MB (per core) | 1 MB (per core) |
| L3 cache | 24 MB (shared) | 16 MB (shared) |
| Chip lithography | 10 nm SuperFin | 4 nm |
| Die size | no data | 178 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Core i9-11900H and Ryzen 5 8640U 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 | FP8 |
| Power consumption (TDP) | 35 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-11900H and Ryzen 5 8640U. 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 | Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Turbo Boost Max 3.0 | + | no data |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Core i9-11900H and Ryzen 5 8640U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| Secure Key | + | no data |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-11900H and Ryzen 5 8640U are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-11900H and Ryzen 5 8640U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 51.2 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® UHD Graphics for 11th Gen Intel® Processors | AMD Radeon 760M |
| Quick Sync Video | + | - |
| Graphics max frequency | 1.45 GHz | no data |
| Execution Units | 32 | no data |
Graphics interfaces
Available interfaces and connections of Core i9-11900H and Ryzen 5 8640U integrated GPUs.
| Number of displays supported | 4 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-11900H and Ryzen 5 8640U integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | 4096x2304@60Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 7680x4320@60Hz | no data |
Graphics API support
APIs supported by Core i9-11900H and Ryzen 5 8640U integrated GPUs, sometimes API versions are included.
| DirectX | 12.1 | no data |
| OpenGL | 4.6 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-11900H and Ryzen 5 8640U.
| 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.
Pros & cons summary
| Performance score | 12.99 | 13.25 |
| Recency | 11 May 2021 | 6 December 2023 |
| Physical cores | 8 | 6 |
| Threads | 16 | 12 |
| Chip lithography | 10 nm | 4 nm |
| Power consumption (TDP) | 35 Watt | 28 Watt |
i9-11900H has 33.3% more physical cores and 33.3% more threads.
Ryzen 5 8640U, on the other hand, has a 2% higher aggregate performance score, an age advantage of 2 years, a 150% more advanced lithography process, and 25% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Core i9-11900H and Ryzen 5 8640U.
Should you still have questions on choice between Core i9-11900H and Ryzen 5 8640U, ask them in Comments section, and we shall answer.
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