Xeon Platinum 8356H vs Silver 4123
Primary details
Comparing Xeon Silver 4123 and Xeon Platinum 8356H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 842 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 8.17 | no data |
| Architecture codename | no data | Cooper Lake-SP (2021) |
| Release date | 1 January 2018 (6 years ago) | 6 April 2021 (3 years ago) |
Detailed specifications
Xeon Silver 4123 and Xeon Platinum 8356H 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 | 8 (Octa-Core) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | 3 GHz | 3.9 GHz |
| Boost clock speed | 3.2 GHz | 4.4 GHz |
| L1 cache | no data | 64K (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | 11 MB | 35.75 MB (shared) |
| Chip lithography | 14 nm | 14 nm |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon Silver 4123 and Xeon Platinum 8356H 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 | 8 |
| Socket | FCLGA3647 | FCLGA4189 |
| Power consumption (TDP) | 105 Watt | 190 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Silver 4123 and Xeon Platinum 8356H. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX-512 | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | - | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Turbo Boost Max 3.0 | - | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon Silver 4123 and Xeon Platinum 8356H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Silver 4123 and Xeon Platinum 8356H are enumerated here.
| VT-d | no data | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4123 and Xeon Platinum 8356H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-2400 | DDR4 RDIMM |
| Maximum memory size | 512 GB | 1.12 TB |
| Max memory channels | 6 | 6 |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon Silver 4123 and Xeon Platinum 8356H.
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 48 | 48 |
Pros & cons summary
| Recency | 1 January 2018 | 6 April 2021 |
| Power consumption (TDP) | 105 Watt | 190 Watt |
Xeon Silver 4123 has 81% lower power consumption.
Xeon Platinum 8356H, on the other hand, has an age advantage of 3 years.
We couldn't decide between Xeon Silver 4123 and Xeon Platinum 8356H. We've got no test results to judge.
Should you still have questions on choice between Xeon Silver 4123 and Xeon Platinum 8356H, ask them in Comments section, and we shall answer.
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