Xeon Gold 5512U vs D-1521
Aggregate performance score
Xeon Gold 5512U outperforms Xeon D-1521 by a whopping 961% based on our aggregate benchmark results.
Primary details
Comparing Xeon D-1521 and Xeon Gold 5512U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1516 | 79 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.60 | 97.62 |
| Market segment | Server | Server |
| Series | Intel Xeon D | no data |
| Power efficiency | 7.49 | 19.34 |
| Architecture codename | Broadwell (2015−2019) | Emerald Rapids (2023) |
| Release date | 1 November 2015 (9 years ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | $199 | $1,230 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon Gold 5512U has 3655% better value for money than Xeon D-1521.
Detailed specifications
Xeon D-1521 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 | 4 (Quad-Core) | 28 (Octacosa-Core) |
| Threads | 8 | 56 |
| Base clock speed | 2.4 GHz | 2.1 GHz |
| Boost clock speed | 2.7 GHz | 3.7 GHz |
| Bus type | DMI 2.0 | no data |
| Multiplier | 24 | no data |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 256K (per core) | 2 MB (per core) |
| L3 cache | 1.5 MB (per core) | 52.5 MB (shared) |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | 246.24 mm2 | 2x 763 mm2 |
| Maximum case temperature (TCase) | 80 °C | 89 °C |
| Number of transistors | 3,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon D-1521 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 (Uniprocessor) | 1 |
| Socket | FCBGA1667 | FCLGA4677 |
| Power consumption (TDP) | 45 Watt | 185 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1521 and Xeon Gold 5512U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | + |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| GPIO | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon D-1521 and Xeon Gold 5512U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | + |
| Secure Key | + | no data |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-1521 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 D-1521 and Xeon Gold 5512U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR3 | DDR5-4800, DDR5-4400 |
| Maximum memory size | 128 GB | 4 TB |
| Max memory channels | 2 | 8 |
| Maximum memory bandwidth | 34.124 GB/s | 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 D-1521 and Xeon Gold 5512U.
| PCIe version | 2.0/3.0 | 5.0 |
| PCI Express lanes | 24 | 80 |
| USB revision | 2.0/3.0 | no data |
| Total number of SATA ports | 6 | no data |
| Number of USB ports | 8 | no data |
| Integrated LAN | + | no data |
| UART | + | no data |
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.
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.
Pros & cons summary
| Performance score | 3.58 | 38.00 |
| Recency | 1 November 2015 | 14 December 2023 |
| Physical cores | 4 | 28 |
| Threads | 8 | 56 |
| Power consumption (TDP) | 45 Watt | 185 Watt |
Xeon D-1521 has 311.1% lower power consumption.
Xeon Gold 5512U, on the other hand, has a 961.5% higher aggregate performance score, an age advantage of 8 years, and 600% more physical cores and 600% more threads.
The Xeon Gold 5512U is our recommended choice as it beats the Xeon D-1521 in performance tests.
Should you still have questions on choice between Xeon D-1521 and Xeon Gold 5512U, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
