Intel Xeon 6517P

Name: Intel Xeon 6517P
Brand: Intel
SKU: 38970

Manufacturer: Intel

The Intel Xeon 6517P is a server-grade processor aimed at demanding enterprise workloads. With 16 cores running at a base frequency of 3.2 GHz and a turbo clock speed reaching 4.2 GHz, it is designed to handle compute-intensive tasks with sustained throughput. The chip is fabricated on a 3 nm process node and carries a thermal design power rating of 190W, reflecting its position as a high-performance data center component.

On the memory side, the Xeon 6517P supports DDR5 across eight channels, with a maximum speed of 6400 MHz and support for up to 4000 GB of ECC RAM, making it well-suited for memory-heavy server environments. The processor provides 72 MB of L3 cache and 32 MB of L2 cache, with a per-core L2 allocation of 2 MB. It supports PCIe 5.0 and a bus transfer rate of 24 GT/s. The instruction set includes AVX2, AES, FMA3, and SSE 4.2, among others, while multithreading across 32 threads is supported natively. Multi-core and single-core PassMark results come in at 49572 and 3481 respectively.

Pros

Eight-channel DDR5 support with a maximum speed of 6400 MHz enables substantial memory bandwidth for server workloads
Support for up to 4000 GB of RAM accommodates very large in-memory datasets without segmentation
ECC memory support ensures data integrity during continuous operation in enterprise environments
72 MB of L3 cache and 32 MB of L2 cache reduce latency for frequently accessed data across all 16 cores
Broad instruction set coverage including AVX2, FMA3, and AES allows hardware-accelerated handling of vectorized and cryptographic workloads
PCIe 5.0 support provides high-bandwidth connectivity for compatible storage and networking components

Cons

A 190W TDP places significant demands on server cooling infrastructure and power delivery
The clock multiplier is locked, removing any option for frequency tuning or adjustment
No integrated graphics means a discrete GPU or remote management solution is required for display output
The single-core PassMark score of 3481 indicates limited throughput for workloads that cannot be parallelized across multiple threads

Who is this for?

This processor is well-suited to enterprise server environments that demand high memory capacity and bandwidth, such as in-memory databases, virtualization hosts, and data analytics platforms. The combination of eight DDR5 memory channels, ECC support, and a maximum addressable memory of 4000 GB makes it a practical fit for workloads where data integrity and large working sets are non-negotiable. Organizations running parallelized, multi-threaded server applications will also benefit from the 32-thread design and the broad instruction set coverage, including AVX2 and AES acceleration for compute and encryption tasks.

Who is this NOT for?

This processor is not a practical choice for environments where single-threaded application performance is the primary requirement, as the single-core PassMark result of 3481 reflects moderate per-core throughput that may bottleneck latency-sensitive serial workloads. Its 190W TDP also makes it unsuitable for power-constrained or thermally limited deployments, such as edge computing nodes or compact server chassis with restricted cooling capacity. Additionally, the absence of integrated graphics means it cannot serve any role in environments that require direct display output without a dedicated GPU or an alternative remote management interface.

General info:

Thermal Design Power (TDP)	190W
semiconductor size	3 nm
PCI Express (PCIe) version	5
Supports 64-bit	✓
CPU temperature	103 °C
Has integrated graphics	✕

The Intel Xeon 6517P carries a Thermal Design Power (TDP) of 190W and operates on a 3 nm semiconductor process, reflecting a compact fabrication node for a high-throughput server chip. It supports PCIe 5.0 for high-bandwidth connectivity and is fully 64-bit compatible. The processor can sustain a maximum CPU temperature of 103 °C, and it does not include integrated graphics, which is typical for enterprise-focused server processors intended to run in dedicated rack environments.

Performance:

CPU speed	16 x 3.2 GHz
CPU threads	32 threads
turbo clock speed	4.2GHz
L3 cache	72 MB
L1 cache	1792 KB
L2 cache	32 MB
L2 core	2 MB/core
clock multiplier	32
Has an unlocked multiplier	✕
L3 core	4.5 MB/core
Turbo Boost version	2

The Intel Xeon 6517P runs 16 cores at a base speed of 3.2 GHz each, with Turbo Boost 2.0 lifting the clock to 4.2 GHz under suitable conditions, and the chip exposes 32 threads in total. The clock multiplier is set to 32 and the multiplier is locked, meaning no manual frequency adjustments are available. Cache is generously provisioned across all three levels: L1 sits at 1792 KB, L2 at 32 MB with a per-core allocation of 2 MB, and L3 reaches 72 MB at 4.5 MB per core, providing substantial on-chip storage to keep frequently accessed data close to the execution units.

Memory:

Supports ECC memory	✓
DDR memory version	5
RAM speed (max)	6400 MHz
maximum memory amount	4000GB
memory channels	8
bus transfer rate	24 GT/s

The Intel Xeon 6517P uses DDR5 memory across eight channels, with a maximum supported RAM speed of 6400 MHz and a bus transfer rate of 24 GT/s. It can address up to 4000 GB of total memory, making it capable of handling very large in-memory datasets. ECC memory is fully supported, providing error-correcting capability that is essential for maintaining data integrity in server and enterprise environments.

Features:

uses multithreading	✓
instruction sets	MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Has NX bit	✓

The Intel Xeon 6517P supports multithreading, allowing each physical core to handle two threads simultaneously for more efficient workload distribution. The processor includes the NX bit for hardware-level memory protection against certain classes of malicious code execution. Its instruction set support spans MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, covering a broad range of operations from hardware-accelerated encryption via AES to wide vector processing through AVX2 and floating-point capabilities via FMA3.

Benchmarks:

PassMark result	49572
PassMark result (single)	3481

In PassMark testing, the Intel Xeon 6517P achieves a multi-core score of 49572, reflecting its capacity to sustain throughput across all cores simultaneously. Its single-core PassMark result of 3481 indicates the per-core processing capability available for tasks that rely on single-threaded execution.

Final Verdict

The Intel Xeon 6517P is a purpose-built enterprise processor that delivers where server workloads demand it most: across memory capacity, bandwidth, and parallel throughput. Its eight-channel DDR5 architecture with ECC support and up to 4000 GB of addressable RAM positions it firmly in environments where data integrity and large working sets are operational requirements rather than optional features. While its thermal envelope and locked multiplier reflect the trade-offs inherent to a server-class chip, these characteristics are consistent with its intended deployment context. For organizations running virtualized infrastructure, data-intensive applications, or multi-threaded server workloads, the Xeon 6517P represents a well-specified option that aligns closely with the demands of modern enterprise computing.