Xeon Gold 6438M vs EPYC 9254
Primary details
Comparing EPYC 9254 and Xeon Gold 6438M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 63 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 15.85 | no data |
| Market segment | Server | Server |
| Series | AMD EPYC | no data |
| Power efficiency | 19.31 | no data |
| Architecture codename | Genoa (2022−2023) | Sapphire Rapids (2023−2024) |
| Release date | 10 November 2022 (2 years ago) | 10 January 2023 (1 year ago) |
| Launch price (MSRP) | $2,299 | $3,273 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 9254 and Xeon Gold 6438M 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 | 24 (Tetracosa-Core) | 32 (Dotriaconta-Core) |
| Threads | 48 | 64 |
| Base clock speed | 2.9 GHz | 2.2 GHz |
| Boost clock speed | 4.15 GHz | 3.9 GHz |
| Multiplier | 29 | no data |
| L1 cache | 64K (per core) | 80K (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 128 MB (shared) | 60 MB |
| Chip lithography | 5 nm, 6 nm | Intel 7 nm |
| Die size | 4x 72 mm2 | no data |
| Maximum case temperature (TCase) | no data | 85 °C |
| Number of transistors | 26,280 million | no data |
| 64 bit support | + | + |
Compatibility
Information on EPYC 9254 and Xeon Gold 6438M 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 | 2 | 2 |
| Socket | SP5 | FCLGA4677 |
| Power consumption (TDP) | 200 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9254 and Xeon Gold 6438M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
EPYC 9254 and Xeon Gold 6438M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by EPYC 9254 and Xeon Gold 6438M 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 9254 and Xeon Gold 6438M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800 | DDR5-4800, DDR5-4400 |
| Maximum memory size | 6 TiB | 4 TB |
| Max memory channels | no data | 8 |
| Maximum memory bandwidth | 460.8 GB/s | no data |
| ECC memory support | - | + |
Peripherals
Specifications and connection of peripherals supported by EPYC 9254 and Xeon Gold 6438M.
| PCIe version | 5.0 | 5 |
| PCI Express lanes | 128 | 80 |
Pros & cons summary
| Recency | 10 November 2022 | 10 January 2023 |
| Physical cores | 24 | 32 |
| Threads | 48 | 64 |
| Power consumption (TDP) | 200 Watt | 205 Watt |
EPYC 9254 has 2.5% lower power consumption.
Xeon Gold 6438M, on the other hand, has an age advantage of 2 months, and 33.3% more physical cores and 33.3% more threads.
We couldn't decide between EPYC 9254 and Xeon Gold 6438M. We've got no test results to judge.
Should you still have questions on choice between EPYC 9254 and Xeon Gold 6438M, 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.
