EPYC 9355 vs Xeon Gold 6403N
Primary details
Comparing Xeon Gold 6403N and EPYC 9355 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Architecture codename | no data | Turin (2024) |
| Release date | 1 July 2023 (1 year ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $3,694 |
Detailed specifications
Xeon Gold 6403N and EPYC 9355 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 | 1.9 GHz | 3.55 GHz |
| Boost clock speed | 3.6 GHz | 4.4 GHz |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | 45 MB | 256 MB (shared) |
| Chip lithography | Intel 7 nm | 4 nm |
| Die size | no data | 8x 70.6 mm2 |
| Maximum core temperature | 85 °C | no data |
| Number of transistors | no data | 66,520 million |
| 64 bit support | - | + |
Compatibility
Information on Xeon Gold 6403N and EPYC 9355 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 | no data | 2 |
| Socket | FCLGA4677 | SP5 |
| Power consumption (TDP) | 185 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6403N and EPYC 9355. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | + |
| AVX | - | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Precision Boost 2 | no data | + |
| Deep Learning Boost | + | - |
Security technologies
Xeon Gold 6403N and EPYC 9355 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 6403N and EPYC 9355 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 Xeon Gold 6403N and EPYC 9355. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4000 | DDR5 |
| Maximum memory size | 4 TB | no data |
| Max memory channels | 8 | no data |
| 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 Xeon Gold 6403N and EPYC 9355.
| PCIe version | 4 | 5.0 |
| PCI Express lanes | 64 | 128 |
Pros & cons summary
| Recency | 1 July 2023 | 10 October 2024 |
| Physical cores | 24 | 32 |
| Threads | 48 | 64 |
| Power consumption (TDP) | 185 Watt | 280 Watt |
Xeon Gold 6403N has 51.4% lower power consumption.
EPYC 9355, on the other hand, has an age advantage of 1 year, and 33.3% more physical cores and 33.3% more threads.
We couldn't decide between Xeon Gold 6403N and EPYC 9355. We've got no test results to judge.
Should you still have questions on choice between Xeon Gold 6403N and EPYC 9355, ask them in Comments section, and we shall answer.
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