INTEL

Intel Xeon Platinum 8276

Intel processor specifications and benchmark scores

28
Cores
56
Threads
4
GHz Boost
165W
TDP
🛡️ECC Memory

Intel Xeon Platinum 8276 Specifications

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Xeon Platinum 8276 Core Configuration

Processing cores and threading

The Intel Xeon Platinum 8276 features 28 physical cores and 56 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
28
Threads
56
SMP CPUs
8
⏱️

Platinum 8276 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Xeon Platinum 8276 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 Platinum 8276 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.2 GHz
Boost Clock
4 GHz
Multiplier
22x
💾

Intel's Xeon Platinum 8276 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Platinum 8276 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 Platinum 8276'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
1 MB (per core)
L3 Cache
38.5 MB (shared)
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Cascade Lake Architecture & Process

Manufacturing and design details

The Intel Xeon Platinum 8276 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 Platinum 8276 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Cascade Lake
Codename
Cascade Lake-SP
Process Node
14 nm
Foundry
Intel
Transistors
8,000 million
Generation
Xeon Platinum (Cascade Lake-SP)
🔢

Cascade Lake Instruction Set Features

Supported CPU instructions and extensions

The Xeon Platinum 8276 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
AVX-512
FMA3
SHA
AES-NI
F16C
BMI1
BMI2
Intel 64
VT-x
VT-d
DL Boost
🔌

Platinum 8276 Power & Thermal

TDP and power specifications

The Intel Xeon Platinum 8276 has a TDP (Thermal Design Power) of 165W, 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
165W
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Intel Socket 3647 Platform & Socket

Compatibility information

The Xeon Platinum 8276 uses the Intel Socket 3647 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 Socket 3647
Package
FC-LGA3647
DDR5

Intel Socket 3647 Memory Support

RAM compatibility and speeds

Memory support specifications for the Platinum 8276 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 Platinum 8276 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
DDR4
ECC Memory
Supported
📦

Xeon Platinum 8276 Product Information

Release and pricing details

The Intel Xeon Platinum 8276 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 Platinum 8276 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Dec 2018
Market
Server/Workstation
Part Number
SRF99CD8069504195501

Xeon Platinum 8276 Benchmark Scores

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No benchmark data available for this CPU.

About Intel Xeon Platinum 8276

  1. Intel Xeon Platinum 8276 excels in day-to-day multitasking scenarios, leveraging its 28 cores and 56 threads to handle demanding workflows like virtualization, software compilation, and media streaming simultaneously. The 2.20 GHz base clock ensures stable performance under sustained workloads, while the 4.00 GHz turbo boost accelerates single-threaded tasks such as web browsing or document processing. Its 165W TDP necessitates robust cooling solutions, making it better suited for workstations with adequate thermal management rather than compact or passive-cooled systems. Despite its age as a 2018 release, the Intel Xeon Platinum 8276 remains competitive for users prioritizing core density over cutting-edge architectures. Its 14 nm Cascade Lake-SP design balances power efficiency and scalability for professional environments requiring consistent uptime. While not optimized for lightweight office tasks, the Xeon Platinum 8276 thrives in scenarios where parallel processing and thread-heavy applications dominate daily usage. Users should pair it with ECC memory to leverage its enterprise-grade reliability features during extended work sessions. The lack of newer AI accelerators or PCIe 4.0 support may limit future-proofing but does not detract from its core computational strengths.

The Intel Xeon Platinum 8276 delivers workstation-class performance, particularly in compute-intensive fields like 3D rendering, scientific simulations, and large-scale data analysis. With 38.5 MB of shared L3 cache and support for high-bandwidth memory configurations, it minimizes bottlenecks in memory-bound tasks compared to mainstream desktop CPUs. Professionals working with virtual machines or containerized environments benefit from its ability to allocate resources across 56 threads without significant context-switching overhead. The Cascade Lake-SP architecture introduced enhanced AVX-512 instructions, accelerating workloads in machine learning inference and cryptographic operations. However, its 2.20 GHz base clock may lag behind newer processors in single-threaded applications, emphasizing its design for sustained throughput over peak frequency. Workstation builders should prioritize motherboards with robust VRMs to handle its 165W TDP during prolonged rendering or encoding sessions. While gaming performance is secondary due to its server-oriented design, content creators using Blender, Maya, or Unreal Engine will appreciate its multi-threaded prowess. The Xeon Platinum 8276's scalability via multi-socket configurations further cements its role in high-core-count workstations.

Assessing the Intel Xeon Platinum 8276's cost-effectiveness reveals a nuanced value proposition. As a 2018 launch part, its pricing has depreciated significantly compared to newer Xeon Scalable generations, making it attractive for budget-conscious professionals needing high core counts. However, its 14 nm process and 165W TDP translate to higher power consumption relative to modern 10 nm or 7 nm alternatives, potentially offsetting initial savings over time. The requirement for Socket 3647 motherboards with C621/Xeon chipsets adds to total costs, as compatible boards are specialized and less common than mainstream platforms. Users prioritizing ECC memory support and multi-socket scalability will find it justifies expenses in critical workflows where data integrity is paramount. Its lack of PCIe 4.0/5.0 limits storage and GPU bandwidth, which may necessitate trade-offs for those needing the latest peripherals. For tasks where core count trumps architectural advancements like distributed computing or batch processing the Xeon Platinum 8276 remains a viable mid-tier option. Buyers should weigh its depreciation against the total system power budget and peripheral compatibility before purchasing.

Motherboard support for the Intel Xeon Platinum 8276 centers around Intel Socket 3647, requiring compatible C621-series chipsets or server-grade platforms. Enthusiasts and workstation builders must ensure their chosen board provides sufficient PCIe 3.0 lanes to accommodate high-end GPUs, NVMe storage, and expansion cards typical in professional setups. Many motherboards catering to the Xeon Platinum 8276 include features like ECC memory compatibility, multi-socket support, and redundant power connectors for reliability. Cooling solutions must address its 165W TDP, favoring large air coolers or liquid cooling systems to maintain thermal headroom during sustained loads. While newer socket types have emerged since its 2018 launch, the Socket 3647 ecosystem remains stable with mature BIOS support for the Cascade Lake-SP line. Users seeking future upgrades should note that Intel's shift toward newer Xeon Scalable architectures may limit long-term motherboard availability. Ensuring BIOS compatibility with the Xeon Platinum 8276's microcode updates is critical for security patches and hardware virtualization features. Overall, motherboard selection directly impacts the processor's real-world usability in high-performance workstations.

The AMD Equivalent of Xeon Platinum 8276

Looking for a similar processor from AMD? The AMD Ryzen 5 3500U offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 3500U

AMD • 4 Cores

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