Xeon Bronze 3508U vs D-1521
Primary details
Comparing Xeon D-1521 and Xeon Bronze 3508U 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 | 2.60 | no data |
| Market segment | Server | Server |
| Series | Intel Xeon D | no data |
| Power efficiency | 7.53 | no data |
| Architecture codename | Broadwell (2015−2019) | no data |
| Release date | 1 November 2015 (9 years ago) | 1 October 2023 (1 year ago) |
| Launch price (MSRP) | $199 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Xeon D-1521 and Xeon Bronze 3508U 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) | 8 (Octa-Core) |
| Threads | 8 | 8 |
| Base clock speed | 2.4 GHz | 2.1 GHz |
| Boost clock speed | 2.7 GHz | 2.2 GHz |
| Bus type | DMI 2.0 | no data |
| Multiplier | 24 | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 256K (per core) | no data |
| L3 cache | 1.5 MB (per core) | 22.5 MB |
| Chip lithography | 14 nm | Intel 7 nm |
| Die size | 246.24 mm2 | no data |
| Maximum core temperature | no data | 83 °C |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 3,200 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Xeon D-1521 and Xeon Bronze 3508U 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) | no data |
| Socket | FCBGA1667 | FCLGA4677 |
| Power consumption (TDP) | 45 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1521 and Xeon Bronze 3508U. 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 | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | no data |
| TSX | + | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| GPIO | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Xeon D-1521 and Xeon Bronze 3508U 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 Bronze 3508U 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 Bronze 3508U. 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 | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon D-1521 and Xeon Bronze 3508U.
| PCIe version | 2.0/3.0 | 4 |
| 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 | 1 October 2023 |
| Physical cores | 4 | 8 |
| Power consumption (TDP) | 45 Watt | 125 Watt |
Xeon D-1521 has 177.8% lower power consumption.
Xeon Bronze 3508U, on the other hand, has an age advantage of 7 years, and 100% more physical cores.
We couldn't decide between Xeon D-1521 and Xeon Bronze 3508U. We've got no test results to judge.
Should you still have questions on choice between Xeon D-1521 and Xeon Bronze 3508U, 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.
