EPYC 7773X vs Xeon Platinum 8351N
Primary details
Comparing Xeon Platinum 8351N and EPYC 7773X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 22 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | no data | 19.46 |
| Architecture codename | Ice Lake-SP (2021) | Milan-X (2022) |
| Release date | 6 April 2021 (3 years ago) | 22 March 2022 (2 years ago) |
Detailed specifications
Xeon Platinum 8351N and EPYC 7773X 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 | 36 | 64 (Tetrahexaconta-Core) |
| Threads | 72 | 128 |
| Base clock speed | 2.4 GHz | 2.2 GHz |
| Boost clock speed | 3.5 GHz | 3.5 GHz |
| L1 cache | 64K (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 512K (per core) |
| L3 cache | 54 MB (shared) | 768 MB (shared) |
| Chip lithography | 10 nm | 7 nm |
| Die size | no data | 8x 81 mm2 |
| Maximum case temperature (TCase) | 76 °C | no data |
| Number of transistors | no data | 33,200 million |
| 64 bit support | + | - |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Xeon Platinum 8351N and EPYC 7773X 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 | 2 |
| Socket | FCLGA4189 | SP3 |
| Power consumption (TDP) | 225 Watt | 280 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Platinum 8351N and EPYC 7773X. 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 | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| 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 Platinum 8351N and EPYC 7773X technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| SGX | Yes with Intel® SPS | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Platinum 8351N and EPYC 7773X 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 Platinum 8351N and EPYC 7773X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2933 | DDR4-3200 |
| Maximum memory size | 6 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Xeon Platinum 8351N and EPYC 7773X.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 64 | 128 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Pros & cons summary
| Recency | 6 April 2021 | 22 March 2022 |
| Physical cores | 36 | 64 |
| Threads | 72 | 128 |
| Chip lithography | 10 nm | 7 nm |
| Power consumption (TDP) | 225 Watt | 280 Watt |
Xeon Platinum 8351N has 24.4% lower power consumption.
EPYC 7773X, on the other hand, has an age advantage of 11 months, 77.8% more physical cores and 77.8% more threads, and a 42.9% more advanced lithography process.
We couldn't decide between Xeon Platinum 8351N and EPYC 7773X. We've got no test results to judge.
Should you still have questions on choice between Xeon Platinum 8351N and EPYC 7773X, ask them in Comments section, and we shall answer.
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