i9-14900KF vs EPYC Embedded 3451
Primary details
Comparing EPYC Embedded 3451 and Core i9-14900KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 83 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 63.25 |
| Market segment | Server | Desktop processor |
| Series | AMD EPYC Embedded | no data |
| Power efficiency | no data | 28.36 |
| Architecture codename | Zen (2017−2020) | Raptor Lake-R (2023−2024) |
| Release date | 21 February 2018 (6 years ago) | 17 October 2023 (1 year ago) |
| Launch price (MSRP) | $880 | $564 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC Embedded 3451 and Core i9-14900KF 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) | 24 (Tetracosa-Core) |
| Threads | 32 | 32 |
| Base clock speed | 2.15 GHz | 3.2 GHz |
| Boost clock speed | 3 GHz | 5.8 GHz |
| Multiplier | 21.5 | no data |
| L1 cache | 96K (per core) | 80 KB (per core) |
| L2 cache | 512K (per core) | 2 MB (per core) |
| L3 cache | 32 MB (shared) | 36 MB (shared) |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | 2x 213 mm2 | 257 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 4,800 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on EPYC Embedded 3451 and Core i9-14900KF 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 (Uniprocessor) | 1 |
| Socket | AMD BGA SP4r2 | FCLGA1700 |
| Power consumption (TDP) | 100 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC Embedded 3451 and Core i9-14900KF. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| AVX | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
EPYC Embedded 3451 and Core i9-14900KF 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 EPYC Embedded 3451 and Core i9-14900KF 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 EPYC Embedded 3451 and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2666 | DDR5-5600, DDR4-3200 |
| Maximum memory size | 1 TiB | 192 GB |
| Max memory channels | 4 | 2 |
| Maximum memory bandwidth | 85.33 GB/s | 89.6 GB/s |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC Embedded 3451 and Core i9-14900KF.
| PCIe version | 3.0 | 5.0 and 4.0 |
| PCI Express lanes | 64 | 16 |
Pros & cons summary
| Recency | 21 February 2018 | 17 October 2023 |
| Physical cores | 16 | 24 |
| Power consumption (TDP) | 100 Watt | 125 Watt |
EPYC Embedded 3451 has 25% lower power consumption.
i9-14900KF, on the other hand, has an age advantage of 5 years, and 50% more physical cores.
We couldn't decide between EPYC Embedded 3451 and Core i9-14900KF. We've got no test results to judge.
Be aware that EPYC Embedded 3451 is a server/workstation processor while Core i9-14900KF is a desktop one.
Should you still have questions on choice between EPYC Embedded 3451 and Core i9-14900KF, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
