Xeon Gold 6403N vs EPYC 9634
Primary details
Comparing EPYC 9634 and Xeon Gold 6403N processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 10 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.00 | no data |
| Market segment | Server | Server |
| Series | AMD EPYC | no data |
| Power efficiency | 22.18 | no data |
| Architecture codename | Genoa (2022−2023) | no data |
| Release date | 10 November 2022 (2 years ago) | 1 July 2023 (1 year ago) |
| Launch price (MSRP) | $10,304 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
EPYC 9634 and Xeon Gold 6403N 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 | 84 | 24 (Tetracosa-Core) |
| Threads | 168 | 48 |
| Base clock speed | 2.25 GHz | 1.9 GHz |
| Boost clock speed | 3.7 GHz | 3.6 GHz |
| Multiplier | 22.5 | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 1 MB (per core) | no data |
| L3 cache | 384 MB (shared) | 45 MB |
| Chip lithography | 5 nm, 6 nm | Intel 7 nm |
| Die size | 12x 72 mm2 | no data |
| Maximum core temperature | no data | 85 °C |
| Number of transistors | 78,840 million | no data |
| 64 bit support | + | - |
Compatibility
Information on EPYC 9634 and Xeon Gold 6403N 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 | no data |
| Socket | SP5 | FCLGA4677 |
| Power consumption (TDP) | 290 Watt | 185 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by EPYC 9634 and Xeon Gold 6403N. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | - |
| 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 9634 and Xeon Gold 6403N 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 9634 and Xeon Gold 6403N 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 9634 and Xeon Gold 6403N. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4800 | DDR5-4000 |
| 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 9634 and Xeon Gold 6403N.
| PCIe version | 5.0 | 4 |
| PCI Express lanes | 128 | 64 |
Pros & cons summary
| Recency | 10 November 2022 | 1 July 2023 |
| Physical cores | 84 | 24 |
| Threads | 168 | 48 |
| Power consumption (TDP) | 290 Watt | 185 Watt |
EPYC 9634 has 250% more physical cores and 250% more threads.
Xeon Gold 6403N, on the other hand, has an age advantage of 7 months, and 56.8% lower power consumption.
We couldn't decide between EPYC 9634 and Xeon Gold 6403N. We've got no test results to judge.
Should you still have questions on choice between EPYC 9634 and Xeon Gold 6403N, ask them in Comments section, and we shall answer.
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