INTEL

Intel Xeon Phi 7285

Intel processor specifications and benchmark scores

68
Cores
272
Threads
1400
GHz Boost
250W
TDP
🛡️ECC Memory

Intel Xeon Phi 7285 Specifications

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Xeon Phi 7285 Core Configuration

Processing cores and threading

The Intel Xeon Phi 7285 features 68 physical cores and 272 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
68
Threads
272
SMP CPUs
1
⏱️

Phi 7285 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Xeon Phi 7285 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 Phi 7285 by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
1300 GHz
Boost Clock
1400 GHz
Multiplier
13x
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Intel's Xeon Phi 7285 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the Phi 7285 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 Phi 7285's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
32 KB (per core)
L2 Cache
512 KB (per core)
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Knights Mill Architecture & Process

Manufacturing and design details

The Intel Xeon Phi 7285 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 Phi 7285 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Knights Mill
Codename
Knights Mill
Process Node
14 nm
Foundry
Intel
Transistors
8,000 million
Generation
Xeon Phi (Knights Mill)
🔢

Knights Mill Instruction Set Features

Supported CPU instructions and extensions

The Xeon Phi 7285 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
Intel 64
🔌

Phi 7285 Power & Thermal

TDP and power specifications

The Intel Xeon Phi 7285 has a TDP (Thermal Design Power) of 250W, 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
250W
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Intel Socket 3647 Platform & Socket

Compatibility information

The Xeon Phi 7285 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 Phi 7285 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 Phi 7285 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
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Xeon Phi 7285 Product Information

Release and pricing details

The Intel Xeon Phi 7285 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 Phi 7285 by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
Dec 2017
Market
Server/Workstation

Xeon Phi 7285 Benchmark Scores

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No benchmark data available for this CPU.

About Intel Xeon Phi 7285

The Intel Xeon Phi 7285 is a highly parallel processor built on the Knights Mill architecture, designed for extreme throughput workloads. It features 68 cores and 272 threads, targeting HPC and AI training scenarios that scale with massive thread counts. With a base clock of 1300 MHz and a turbo up to 1400 MHz, it balances efficiency under heavy vector loads with burst capability. Manufactured on a 14 nm process and using Intel Socket 3647, it carries a 250W TDP that demands robust platform cooling. As part of the Xeon Phi generation, the Intel Xeon Phi 7285 emphasizes vectorized code paths and high memory bandwidth utilization. Released in December 2017, it remains a specialized tool for workloads optimized for AVX-512 and many-core execution. Benchmark performance for the Intel Xeon Phi 7285 is sparse, reflecting its niche deployment in large-scale scientific and AI contexts. In the absence of standardized public scores, its value proposition hinges on thread density and vector execution resources rather than single-thread speed. The 68-core layout and 272 threads provide massive concurrency, which can translate to significant gains in highly scalable, floating-point heavy code. However, the modest 1.3 GHz base and 1.4 GHz turbo clocks mean per-core performance is modest compared to mainstream CPUs. Real-world throughput will depend on code optimization, memory subsystem efficiency, and thermal headroom under sustained 250W loads. For teams with mature AVX-512 pipelines, the Intel Xeon Phi 7285 can be a cost-effective accelerator when workload parallelism is very high. In competitive positioning, this processor targets a narrow lane between GPU acceleration and traditional Xeon CPUs, favoring code that is parallel but not GPU-friendly. Compared to discrete GPUs, it offers simpler programming via standard x86 and broad AVX-512 support, but lower raw throughput for heavily vectorized AI training. Against contemporary Xeon Scalable parts, it trades per-core frequency and single-thread performance for extreme thread count and vector utilization. For data scientists and researchers, the choice often comes down to how well the workload scales across hundreds of threads and how much vectorization exists. Build recommendations center on a Socket 3647 platform with ample VRM capacity, high-speed DDR4 memory, and airflow capable of dissipating 250W continuously. To maximize ROI, pair the Intel Xeon Phi 7285 with workloads proven to scale linearly with core count and verify that compiler and library support fully exploits AVX-512 instructions.

The AMD Equivalent of Xeon Phi 7285

Looking for a similar processor from AMD? The AMD Ryzen 5 2500U offers comparable performance and features in the AMD lineup.

AMD Ryzen 5 2500U

AMD • 4 Cores

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