Xeon Silver 4510T vs D-1521
Primary details
Comparing Xeon D-1521 and Xeon Silver 4510T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1509 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.40 | no data |
| Market segment | Server | Server |
| Series | Intel Xeon D | no data |
| Power efficiency | 7.53 | no data |
| Architecture codename | Broadwell (2015−2019) | Sapphire Rapids (2023−2024) |
| Release date | 1 November 2015 (9 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | $199 | $624 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon D-1521 and Xeon Silver 4510T 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) | 12 (Dodeca-Core) |
| Threads | 8 | 24 |
| Base clock speed | 2.4 GHz | 2 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) | 30 MB (shared) |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | 246.24 mm2 | no data |
| Maximum case temperature (TCase) | 80 °C | 84 °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 Silver 4510T 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) | 2 |
| Socket | FCBGA1667 | FCLGA4677 |
| Power consumption (TDP) | 45 Watt | 115 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1521 and Xeon Silver 4510T. 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 Silver 4510T 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 Silver 4510T 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 Silver 4510T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR3 | DDR5 @ 4400 MT/s (1 DPC &2DPC) |
| 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 Silver 4510T.
| PCIe version | 2.0/3.0 | 5 |
| 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 |
Pros & cons summary
| Recency | 1 November 2015 | 14 December 2023 |
| Physical cores | 4 | 12 |
| Threads | 8 | 24 |
| Power consumption (TDP) | 45 Watt | 115 Watt |
Xeon D-1521 has 155.6% lower power consumption.
Xeon Silver 4510T, on the other hand, has an age advantage of 8 years, and 200% more physical cores and 200% more threads.
We couldn't decide between Xeon D-1521 and Xeon Silver 4510T. We've got no test results to judge.
Should you still have questions on choice between Xeon D-1521 and Xeon Silver 4510T, ask them in Comments section, and we shall answer.
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