Xeon D-1521: specs and benchmarks
Aggregate performance score
Xeon D-1521 provides poor benchmark performance at 3.58% of a leader's which is a 96-core EPYC 9655P.
Summary
Intel started Xeon D-1521 sales 1 November 2015 at a recommended price of $199. This is a Broadwell architecture desktop processor primarily aimed at office systems. It has 4 cores and 8 threads, and is based on 14 nm manufacturing technology, with a maximum frequency of 2700 MHz and a locked multiplier.
Compatibility-wise, this is FCBGA1667 processor with a TDP of 45 Watt and a maximum temperature of 80 °C. It supports DDR4, DDR3 memory.
Primary details
Xeon D-1521 processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 1519 | |
| Place by popularity | not in top-100 | |
| Cost-effectiveness evaluation | 2.60 | |
| Market segment | Server | |
| Series | Intel Xeon D | |
| Power efficiency | 7.53 | of 100.00 (Core Ultra 7 164U) |
| Architecture codename | Broadwell (2015−2019) | |
| Release date | 1 November 2015 (9 years ago) | |
| Launch price (MSRP) | $199 | of 17,906 (Xeon Platinum 8280L) |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 4 (Quad-Core) | |
| Threads | 8 | |
| Base clock speed | 2.4 GHz | of 4.7 GHz (Ryzen 9 7900X) |
| Boost clock speed | 2.7 GHz | of 6.2 GHz (Core i9-14900KS) |
| Bus type | DMI 2.0 | |
| Multiplier | 24 | of 42 (Core i7-7700K) |
| L1 cache | 64K (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 256K (per core) | |
| L3 cache | 1.5 MB (per core) | of 1152 MB (EPYC 9684X) |
| Chip lithography | 14 nm | of 3 nm (Core Ultra 9 285K) |
| Die size | 246.24 mm2 | |
| Maximum case temperature (TCase) | 80 °C | of 105 °C (Core i7-5950HQ) |
| Number of transistors | 3,200 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Windows 11 compatibility | - |
Compatibility
Information on Xeon D-1521 compatibility with other computer components and devices: 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) | of 8 (Xeon Platinum 8454H) |
| Socket | FCBGA1667 | |
| Power consumption (TDP) | 45 Watt | of 500 Watt (Xeon 6960P) |
Technologies and extensions
Technological capabilities and additional instructions supported by Xeon D-1521. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | |
| AES-NI | + | |
| AVX | + | |
| Enhanced SpeedStep (EIST) | + | |
| Turbo Boost Technology | 2.0 | |
| Hyper-Threading Technology | + | |
| TSX | + | |
| Idle States | + | |
| Thermal Monitoring | + | |
| GPIO | + |
Security technologies
Processor technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | |
| EDB | + | |
| Secure Key | + | |
| OS Guard | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| VT-d | + | |
| VT-x | + | |
| EPT | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Xeon D-1521's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR4, DDR3 | |
| Maximum memory size | 128 GB | of 6 TiB (EPYC 9654) |
| Max memory channels | 2 | of 12 (Xeon Platinum 9221) |
| Maximum memory bandwidth | 34.124 GB/s | of 460.8 GB/s (EPYC 9654) |
| ECC memory support | + |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 2.0/3.0 | of 5.0 (EPYC 9655P) |
| PCI Express lanes | 24 | of 128 (EPYC 9655P) |
| USB revision | 2.0/3.0 | |
| Total number of SATA ports | 6 | |
| Number of USB ports | 8 | |
| Integrated LAN | + | |
| UART | + |
Benchmark performance
Single-core and multi-core benchmark results of Xeon D-1521. Overall benchmark performance 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.
Send your test results of Xeon D-1521.
AMD equivalent
According to our data, the closest AMD alternative to Xeon D-1521 is Opteron 6274, which is slower by 1% and lower by 8 positions in our ranking.
Here are some closest AMD rivals to Xeon D-1521:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
