Intel Xeon Platinum 8280M
Intel processor specifications and benchmark scores
ECC MemoryAt a Glance
IntelIntel Xeon Platinum 8280M Specifications
Xeon Platinum 8280M Core Configuration
Processing cores and threading
The Intel Xeon Platinum 8280M 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.
Platinum 8280M Clock Speeds
Base and boost frequencies
Clock speed is a critical factor in Xeon Platinum 8280M 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 8280M by Intel can dynamically adjust its frequency based on workload and thermal headroom.
Intel's Xeon Platinum 8280M Cache Hierarchy
L1, L2, L3 cache sizes
Cache memory is ultra-fast storage built directly into the Platinum 8280M 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 8280M's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.
Cascade Lake Architecture & Process
Manufacturing and design details
The Intel Xeon Platinum 8280M 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 8280M incorporate advanced branch prediction and out-of-order execution for optimal performance.
Cascade Lake Instruction Set Features
Supported CPU instructions and extensions
The Xeon Platinum 8280M 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.
Platinum 8280M Power & Thermal
TDP and power specifications
The Intel Xeon Platinum 8280M has a TDP (Thermal Design Power) of 205W, 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.
Intel Socket 3647 Platform & Socket
Compatibility information
The Xeon Platinum 8280M 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.
Intel Socket 3647 Memory Support
RAM compatibility and speeds
Memory support specifications for the Platinum 8280M 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 8280M 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.
Xeon Platinum 8280M Product Information
Release and pricing details
The Intel Xeon Platinum 8280M 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 8280M by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.
Xeon Platinum 8280M Benchmark Scores
No benchmark data available for this CPU.
About Intel Xeon Platinum 8280M
Intel Xeon Platinum 8280M is a 28-core, 56-thread server processor from Intel's Cascade Lake generation, built on a 14nm process with 8,000 million transistors and released on December 10, 2018. It pairs a 2.70 GHz base clock with a 4.00 GHz boost clock, carries 38.5 MB of shared L3 cache, and targets the Server/Workstation market segment via the Intel Socket 3647 platform with DDR4 ECC memory support and PCIe Gen 3 connectivity.
Benchmark Performance
The Xeon Platinum 8280M sits at the 50th percentile among all CPUs tracked in the database, with an average benchmark score of 0. The 50th percentile placement is a midpoint result — exactly half of all tracked processors rank above it and half rank below. For a 28-core part, this is a telling position: raw core count alone does not lift the processor into the upper tier of aggregate benchmark standings.
The 28 physical cores and 56 threads provide substantial parallel compute capacity. The 2.70 GHz base clock represents the sustained all-core frequency, which is the figure that matters most for heavily threaded server workloads that run for extended durations. The 4.00 GHz boost clock offers a meaningful uplift for lightly threaded tasks, giving the processor responsiveness when only a few cores are active. The 38.5 MB shared L3 cache is a large pool of on-die memory that reduces latency for working sets exceeding the per-core L1 (64 KB per core) and L2 (1 MB per core) caches.
The average benchmark score of 0 indicates that no aggregated benchmark results have been recorded for this part in the database. This is not unusual for server-class processors, which are frequently evaluated within full platform configurations — including memory, storage, and network subsystems — rather than as standalone CPU benchmarks. The 50th percentile ranking should therefore be read as a default midpoint placement rather than a measured performance outcome.
Platform and Compatibility
The Xeon Platinum 8280M uses the Intel Socket 3647, the socket family designed for Intel's Xeon Scalable processors of the Cascade Lake generation. The architecture is Cascade Lake, specifically the Cascade Lake-SP variant, manufactured on Intel's 14nm process node. The 14nm node is a mature manufacturing process that balances transistor density with power characteristics suited to sustained server operation.
Memory support is DDR4 with ECC (Error-Correcting Code) capability. ECC memory is a critical feature for server and workstation environments where data integrity is paramount — a single-bit error in a computation can corrupt results, and ECC memory detects and corrects such errors in real time. The processor's memory controller is designed for the registered DIMMs typically deployed in server platforms.
PCIe connectivity is Gen 3, providing the I/O bandwidth required for high-speed peripherals such as NVMe storage, GPU accelerators, and high-throughput network interfaces. The combination of PCIe Gen 3, DDR4 ECC memory, and the Socket 3647 platform makes this processor suitable for standard server chassis and workstation motherboards built for the Xeon Scalable family.
The multiplier is locked, meaning the processor does not support unlocked overclocking. This is expected for a server-class part, where stability and deterministic performance take priority over enthusiast tuning. The market segment is explicitly Server/Workstation, confirming the intended deployment environment.
Who Should Consider It
The Xeon Platinum 8280M is built for compute-heavy server and workstation workloads that can fully utilize 28 cores and 56 threads. The 50th percentile benchmark standing indicates it is not a top-tier aggregate performer, but its core configuration makes it a strong fit for specific parallel workloads.
For multi-threaded compute tasks such as scientific simulation, financial modeling, and data analytics, the 28-core / 56-thread configuration provides substantial parallel throughput. The 38.5 MB shared L3 cache helps keep frequently accessed data close to the cores, reducing memory latency in data-intensive workloads. The 2.70 GHz base clock ensures sustained all-core performance under heavy load, while the 4.00 GHz boost clock provides responsiveness for interactive or lightly threaded tasks.
For virtualization and database workloads, the combination of ECC memory support and high core count makes the processor a viable option for hosting multiple virtual machines or serving concurrent database queries. ECC memory is essential in these environments to prevent silent data corruption.
For office and general-purpose workloads, this processor is excessive. The 205W TDP and server-class platform requirements are not aligned with typical office productivity tasks, which are better served by lower-power parts with fewer cores. The processor's strengths are in environments where parallel compute capacity and data integrity are the primary requirements.
How It Compares
The database records no nearest rivals for the Xeon Platinum 8280M, meaning no direct competitor comparisons with specific score deltas are available. The processor's 50th percentile standing among all CPUs provides the only positional reference. This midpoint placement suggests that while the processor offers a substantial core count, its overall benchmark profile places it in the middle of the tracked CPU distribution.
Without rival data, the comparison must be framed in terms of the processor's own characteristics. The 28-core / 56-thread configuration is a high-core-count design, but the 2.70 GHz base clock and 4.00 GHz boost clock are moderate for the server segment. The 14nm process node, while mature, is not the most advanced manufacturing process available, which may contribute to the processor's position relative to newer parts with higher clock speeds or better power efficiency.
The 50th percentile ranking should be read as a starting point for evaluation rather than a final verdict. Server processors are often deployed in platforms where memory bandwidth, storage I/O, and network throughput play a significant role in overall system performance, and these factors are not fully captured by CPU-only benchmark rankings.
Power and Thermals
The Xeon Platinum 8280M has a TDP of 205W. This is a high thermal design power figure, indicating that the processor dissipates a substantial amount of heat under load. The 205W TDP class requires a cooling solution capable of handling sustained thermal output — a capable air cooler with a large heatsink and high-static-pressure fan, or a liquid cooling solution, is appropriate for this processor.
The 14nm process node, while not the most power-efficient available, is a well-understood manufacturing process. The 8,000 million transistor count spread across the die contributes to the thermal profile. In a server chassis, the cooling solution is typically designed at the system level, with high-volume airflow through the chassis and dedicated CPU heatsinks sized for the TDP class.
The 205W TDP also has implications for power delivery. The motherboard must provide a robust VRM (voltage regulator module) design capable of supplying clean, stable power to the processor under sustained load. Server motherboards for the Socket 3647 platform are designed with this requirement in mind, but workstation builders should verify that their chosen board meets the power delivery requirements for a 205W-class processor.
FAQ
Q: How many cores and threads does the Xeon Platinum 8280M have?
A: The processor has 28 physical cores and 56 threads.
Q: What is the base and boost clock speed?
A: The base clock is 2.70 GHz and the boost clock is 4.00 GHz.
Q: What socket does the Xeon Platinum 8280M use?
A: It uses the Intel Socket 3647, the socket platform for Intel's Xeon Scalable processors in the Cascade Lake generation.
Q: Does the processor support ECC memory?
A: Yes, it supports DDR4 memory with ECC (Error-Correcting Code), which is critical for data integrity in server and workstation workloads.
Q: What is the TDP of this processor?
A: The TDP is 205W, which requires a robust cooling solution designed for high-thermal-output server processors.
Q: What is the market segment for this processor?
A: The market segment is Server/Workstation, indicating it is designed for enterprise compute environments rather than consumer desktop use.
Single-Thread vs Multi-Thread Behavior
The Xeon Platinum 8280M's performance profile is defined by the relationship between its 28-core / 56-thread parallel capacity and its per-core clock speeds. The base clock of 2.70 GHz represents the sustained frequency across all cores under full load, while the 4.00 GHz boost clock is available for lightly threaded workloads where thermal and power headroom allow a single core (or a small number of cores) to operate at higher frequency.
The gap between base and boost clock — 2.70 GHz to 4.00 GHz — indicates that the processor can deliver meaningfully higher single-thread performance when the workload does not stress all cores simultaneously. This is beneficial for workloads dominated by a single thread or a small number of threads, such as certain database operations, scripting workloads, or legacy applications that are not fully parallelized.
However, the processor's identity is firmly multi-threaded. With 56 threads available, workloads that can scale across many cores will see the most benefit. The 38.5 MB shared L3 cache is a key asset for multi-threaded workloads, as it provides a large pool of shared data that all cores can access without resorting to main memory. The 64 KB L1 and 1 MB L2 caches per core provide fast access to per-core working sets, while the shared L3 serves as a coordination point for data shared across threads.
The 50th percentile benchmark standing suggests that the processor's single-thread performance, while respectable at 4.00 GHz boost, is not its primary strength. In aggregate benchmarks that mix single-threaded and multi-threaded tests, the processor lands in the middle of the distribution. For workloads that are heavily multi-threaded and can saturate the 56 threads, the processor's core count and cache configuration are the dominant factors. For single-thread-bound workloads, the 4.00 GHz boost clock provides adequate but not class-leading performance.
The AMD Equivalent of Xeon Platinum 8280M
Looking for a similar processor from AMD? The AMD Ryzen 5 3500U offers comparable performance and features in the AMD lineup.
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