Xeon E-2456 vs EPYC 7663P
Primary details
Comparing EPYC 7663P and Xeon E-2456 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 469 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 92.83 |
| Market segment | Server | Server |
| Power efficiency | no data | 17.70 |
| Architecture codename | Milan (2021−2023) | Raptor Lake-S (2023−2024) |
| Release date | 5 September 2023 (1 year ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | $3,139 | $375 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 7663P and Xeon E-2456 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 | 56 (Hexapentaconta-Core) | 6 (Hexa-Core) |
| Threads | 112 | 12 |
| Base clock speed | 2 GHz | 3.3 GHz |
| Boost clock speed | 3.5 GHz | 5.1 GHz |
| Bus rate | no data | 16 GT/s |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 1.25 MB (per core) |
| L3 cache | 256 MB (shared) | 18 MB (shared) |
| Chip lithography | 7 nm | Intel 7 nm |
| Die size | 8x 81 mm2 | 163 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 33,200 million | no data |
| 64 bit support | - | + |
Compatibility
Information on EPYC 7663P and Xeon E-2456 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 | SP3 | FCLGA1700 |
| Power consumption (TDP) | 240 Watt | 80 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 7663P and Xeon E-2456. 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 | + |
| Turbo Boost Technology | no data | 2 |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | - |
| Precision Boost 2 | + | no data |
Security technologies
EPYC 7663P and Xeon E-2456 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 7663P and Xeon E-2456 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 7663P and Xeon E-2456. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5-4800 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | N/A |
Peripherals
Specifications and connection of peripherals supported by EPYC 7663P and Xeon E-2456.
| PCIe version | 4.0 | 5 |
| PCI Express lanes | 128 | 16 |
Pros & cons summary
| Recency | 5 September 2023 | 14 December 2023 |
| Physical cores | 56 | 6 |
| Threads | 112 | 12 |
| Power consumption (TDP) | 240 Watt | 80 Watt |
EPYC 7663P has 833.3% more physical cores and 833.3% more threads.
Xeon E-2456, on the other hand, has an age advantage of 3 months, and 200% lower power consumption.
We couldn't decide between EPYC 7663P and Xeon E-2456. We've got no test results to judge.
Should you still have questions on choice between EPYC 7663P and Xeon E-2456, ask them in Comments section, and we shall answer.
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