Ryzen 5 8645HS vs i9-12900F
Aggregate performance score
Core i9-12900F outperforms Ryzen 5 8645HS by an impressive 60% based on our aggregate benchmark results.
Primary details
Comparing Core i9-12900F and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 223 | 498 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 33.40 | 30.15 |
| Architecture codename | Alder Lake-S (2022) | Hawk Point-HS (Zen 4) (2023−2024) |
| Release date | 4 January 2022 (2 years ago) | 6 December 2023 (less than a year ago) |
Detailed specifications
Core i9-12900F and Ryzen 5 8645HS 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 | 16 (Hexadeca-Core) | 6 (Hexa-Core) |
| Threads | 24 | 12 |
| Base clock speed | 2.4 GHz | 4.3 GHz |
| Boost clock speed | 5.1 GHz | 5 GHz |
| L1 cache | 80K (per core) | 64 KB (per core) |
| L2 cache | 1.25 MB (per core) | 1 MB (per core) |
| L3 cache | 30 MB (shared) | 16 MB (shared) |
| Chip lithography | Intel 7 nm | 4 nm |
| Die size | 215 mm2 | 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 |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i9-12900F and Ryzen 5 8645HS 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 | FCLGA1700 | FP8 |
| Power consumption (TDP) | 65 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-12900F and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Turbo Boost Max 3.0 | + | no data |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Core i9-12900F and Ryzen 5 8645HS technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-12900F and Ryzen 5 8645HS 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 i9-12900F and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800, DDR4-3200 | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 76.8 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by Core i9-12900F and Ryzen 5 8645HS.
| PCIe version | 5.0 and 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 | 23.81 | 14.88 |
| Recency | 4 January 2022 | 6 December 2023 |
| Physical cores | 16 | 6 |
| Threads | 24 | 12 |
| Power consumption (TDP) | 65 Watt | 45 Watt |
i9-12900F has a 60% higher aggregate performance score, and 166.7% more physical cores and 100% more threads.
Ryzen 5 8645HS, on the other hand, has an age advantage of 1 year, and 44.4% lower power consumption.
The Core i9-12900F is our recommended choice as it beats the Ryzen 5 8645HS in performance tests.
Note that Core i9-12900F is a desktop processor while Ryzen 5 8645HS is a notebook one.
Should you still have questions on choice between Core i9-12900F and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.
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