Ryzen 9 5900HX vs i9-10900KF
Aggregate performance score
Primary details
Comparing Core i9-10900KF and Ryzen 9 5900HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 489 | 490 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Cezanne (Zen 3, Ryzen 5000) |
| Architecture codename | Comet Lake (2020) | Cezanne-H (Zen 3) (2021) |
| Release date | 30 April 2020 (4 years ago) | 12 January 2021 (3 years ago) |
Detailed specifications
Core i9-10900KF and Ryzen 9 5900HX 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 | 10 (Deca-Core) | 8 (Octa-Core) |
| Threads | 20 | 16 |
| Base clock speed | 3.7 GHz | 3.3 GHz |
| Boost clock speed | 5.2 GHz | 4.6 GHz |
| Bus rate | 8 GT/s | no data |
| Multiplier | no data | 33 |
| L1 cache | 64 KB (per core) | 512 KB |
| L2 cache | 256 KB (per core) | 4 MB |
| L3 cache | 20 MB (shared) | 16 MB |
| Chip lithography | 14 nm | 7 nm |
| Die size | no data | 180 mm2 |
| Maximum core temperature | 100 °C | 105 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 9,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-10900KF and Ryzen 9 5900HX 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 | FCLGA1200 | FP6 |
| Power consumption (TDP) | 125 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-10900KF and Ryzen 9 5900HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Turbo Boost Max 3.0 | + | no data |
| Status | Discontinued | no data |
Security technologies
Core i9-10900KF and Ryzen 9 5900HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-10900KF and Ryzen 9 5900HX 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 i9-10900KF and Ryzen 9 5900HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 45.8 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon RX Vega 8 (Ryzen 4000/5000) |
Peripherals
Specifications and connection of peripherals supported by Core i9-10900KF and Ryzen 9 5900HX.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 16 | no data |
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Recency | 30 April 2020 | 12 January 2021 |
| Physical cores | 10 | 8 |
| Threads | 20 | 16 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 125 Watt | 45 Watt |
i9-10900KF has 25% more physical cores and 25% more threads.
Ryzen 9 5900HX, on the other hand, has an age advantage of 8 months, a 100% more advanced lithography process, and 177.8% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Core i9-10900KF and Ryzen 9 5900HX.
Note that Core i9-10900KF is a desktop processor while Ryzen 9 5900HX is a notebook one.
Should you still have questions on choice between Core i9-10900KF and Ryzen 9 5900HX, ask them in Comments section, and we shall answer.
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