INTEL

Intel Xeon D-1521

Intel processor specifications and benchmark scores

4
Cores
8
Threads
2.7
GHz Boost
45W
TDP
🛡️ECC Memory

Intel Xeon D-1521 Specifications

⚙️

Xeon D-1521 Core Configuration

Processing cores and threading

The Intel Xeon D-1521 features 4 physical cores and 8 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
4
Threads
8
SMP CPUs
1
⏱️

D-1521 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Xeon D-1521 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Xeon D-1521 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.4 GHz
Boost Clock
2.7 GHz
Multiplier
24x
đź’ľ

Intel's Xeon D-1521 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the D-1521 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Xeon D-1521's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
256 KB (per core)
L3 Cache
1.5 MB (per core)
🏗️

Broadwell Architecture & Process

Manufacturing and design details

The Intel Xeon D-1521 is built on Intel's 14 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in D-1521 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Broadwell
Codename
Broadwell
Process Node
14 nm
Foundry
Intel
Transistors
3,200 million
Die Size
246 mm²
Generation
Xeon D (Broadwell-DE)
🔢

Broadwell Instruction Set Features

Supported CPU instructions and extensions

The Xeon D-1521 by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
AVX
AVX2
FMA3
AES-NI
F16C
BMI1
BMI2
Intel 64
VT-x
VT-d
🔌

D-1521 Power & Thermal

TDP and power specifications

The Intel Xeon D-1521 has a TDP (Thermal Design Power) of 45W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
45W
đź”§

Intel BGA 1667 Platform & Socket

Compatibility information

The Xeon D-1521 uses the Intel BGA 1667 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel BGA 1667
PCIe
Gen 3, 24 Lanes(CPU only)
Package
FC-BGA14C
DDR5

Intel BGA 1667 Memory Support

RAM compatibility and speeds

Memory support specifications for the D-1521 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Xeon D-1521 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR3, DDR4
Memory Bus
Dual-channel
DDR4 Speed
2133 MT/s
ECC Memory
Supported
📦

Xeon D-1521 Product Information

Release and pricing details

The Intel Xeon D-1521 is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Xeon D-1521 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Nov 2015
Launch Price
$199
Market
Server/Workstation
Status
Active
Part Number
SR2DF

Xeon D-1521 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Xeon D-1521 performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.

cinebench_cinebench_r15_multicore #1118 of 1788
488
3%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how Intel Xeon D-1521 handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance. A higher single-core score means snappier system responsiveness in everyday use.

cinebench_cinebench_r15_singlecore #1123 of 1245
68
3%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Xeon D-1521. The more demanding workload provides better differentiation between current-generation processors.

cinebench_cinebench_r20_multicore #1119 of 1788
2,034
3%
Max: 62,412
Compare with other CPUs

🏆 Top 5 Performers

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Xeon D-1521. The increased complexity provides more accurate performance differentiation between modern CPUs.

cinebench_cinebench_r20_singlecore #1119 of 1784
286
3%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Xeon D-1521 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.

cinebench_cinebench_r23_multicore #1119 of 1788
4,844
3%
Max: 148,601
Compare with other CPUs

🏆 Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Xeon D-1521 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.

cinebench_cinebench_r23_singlecore #1119 of 1788
683
3%
Max: 20,979
Compare with other CPUs

About Intel Xeon D-1521

The Intel Xeon D-1521, a 14‑nm Broadwell‑DE part, brings a modest four‑core, eight‑thread design that feels right at home in compact workstations and edge servers. Running at a base 2.40 GHz and boosting up to 2.70 GHz, it delivers a smooth performance curve that shines in multi‑threaded workloads, as shown by its 4,844‑point score in Cinebench R23 multi‑core testing. In single‑core scenarios the same silicon reaches 683 points in Cinebench R23, confirming that its per‑core efficiency is still respectable for light‑weight applications such as content creation or small‑scale virtualization. The processor’s 45 W TDP keeps power draw gentle, which translates to quieter cooling solutions and lower operating costs an appealing factor for users who value a calm, energy‑conscious environment. Each core is backed by a 1.5 MB L3 cache slice, giving a total of 6 MB of shared cache that helps reduce latency when the cores collaborate on data‑intensive tasks. Its BGA‑1667 socket means the chip is soldered directly onto the board, a design choice that favors reliability and space‑saving in dense server racks or network appliances. With a launch price of $199, the Xeon D-1521 processor offers a cost‑effective entry point for small businesses, edge AI inference, and media transcoding workloads that need steady throughput without the heat of higher‑end models. Overall, this Broadwell‑DE gem balances modest clock speeds, efficient thermal design, and solid benchmark numbers, making it a friendly yet powerful option for creators and professionals seeking dependable performance in a compact form factor.

The AMD Equivalent of Xeon D-1521

Looking for a similar processor from AMD? The AMD Ryzen 5 1400 offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 1400

AMD • 4 Cores

View Specs Compare

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