Xeon Gold 5512U vs Gold 6421N
Aggregated performance score
Gold 5512U outperforms Gold 6421N by 2% based on our aggregated benchmark results.
Primary details
Comparing Xeon Gold 6421N and Xeon Gold 5512U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 76 | 68 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Architecture codename | Sapphire Rapids | Emerald Rapids |
| Release date | 10 January 2023 (1 year ago) | 1 October 2023 (less than a year ago) |
Detailed specifications
Xeon Gold 6421N and Xeon Gold 5512U 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 | 32 (Dotriaconta-Core) | 28 (Octacosa-Core) |
| Threads | 64 | 56 |
| Base clock speed | 1.8 GHz | 2.1 GHz |
| Boost clock speed | 3.6 GHz | 3.7 GHz |
| L1 cache | 80K (per core) | 80 KB (per core) |
| L2 cache | 2 MB (per core) | 2 MB (per core) |
| L3 cache | 60 MB | 52.5 MB (shared) |
| Chip lithography | Intel 7 nm | Intel 7 nm |
| Die size | no data | 2x 763 mm2 |
| Maximum core temperature | 85 °C | 89 °C |
| Maximum case temperature (TCase) | 85 °C | 89 °C |
| 64 bit support | + | + |
| Unlocked multiplier | No | No |
Compatibility
Information on Xeon Gold 6421N and Xeon Gold 5512U 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 | 1 |
| Socket | FCLGA4677 | FCLGA4677 |
| Power consumption (TDP) | 185 Watt | 185 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon Gold 6421N and Xeon Gold 5512U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Status | Launched | Launched |
Security technologies
Xeon Gold 6421N and Xeon Gold 5512U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| SGX | Yes with Intel® SPS | Yes with Intel® SPS |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon Gold 6421N and Xeon Gold 5512U are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6421N and Xeon Gold 5512U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-4400 | DDR5-4800, DDR5-4400 |
| Maximum memory size | 4 TB | 4 TB |
| Max memory channels | 8 | 8 |
| 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 6421N and Xeon Gold 5512U.
| PCIe version | 5 | 5.0 |
| PCI Express lanes | 80 | 80 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Gold 5512U outperforms Gold 6421N by 2% based on our aggregated benchmark results.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Benchmark coverage: 68%
Gold 5512U outperforms Gold 6421N by 2% in Passmark.
Pros & cons summary
| Performance score | 38.01 | 38.71 |
| Recency | 10 January 2023 | 1 October 2023 |
| Physical cores | 32 | 28 |
| Threads | 64 | 56 |
Given the minimal performance differences, no clear winner can be declared between Xeon Gold 6421N and Xeon Gold 5512U.
Should you still have questions on choice between Xeon Gold 6421N and Xeon Gold 5512U, ask them in Comments section, and we shall answer.
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