Intel Xeon Gold 5318S

The Intel Xeon Gold 5318S is a 24-core, 48-thread server processor built on Intel’s Ice Lake-SP architecture and 10 nm process node. It occupies a specific niche in the Xeon Gold lineup, and its benchmark data, while presented here without direct rival scores, can be interpreted through its architectural position and percentile ranking.

Benchmark Performance

The data sheet lists the 5318S with a benchmark percentile of 50 among all CPUs tracked by this database. This is a pivotal statistic: it places the processor at the exact median of the entire field, meaning half of all processors tested perform better and half perform worse. For a 24-core Ice Lake-SP part, this positioning is not a statement about its absolute capability but rather a reflection of the broad spectrum of CPUs it competes against.

Benchmark results for this processor are unavailable in the FACT PACK, so a direct score-based analysis is impossible. However, the architectural context provides a strong interpretive framework. The 5318S operates with a base clock of 2.10 GHz and a boost clock of 3.40 GHz. These clocks, combined with 24 Ice Lake cores and 48 threads, suggest a design aimed at sustained multi-threaded throughput rather than peak single-core aggression. The L3 cache is 36 MB shared, which is substantial but not the largest available in the Xeon Gold family.

The absence of nearestRivals data means we cannot quote specific percentage deltas. The percentile rank of 50, however, implies that in a mixed workload database, this chip’s aggregate performance is average. This is likely due to its modest clock speeds relative to higher-tier Xeon Gold parts that feature more cores or higher boost frequencies. In a server context, the 5318S would be a reliable workhorse for parallel tasks, but the data clearly indicates it is not a top-tier performer in the broader CPU landscape.

Power and Thermals

The 5318S carries a TDP class of 165 watts. This is a definitive figure that dictates the cooling and power delivery requirements. A 165 W TDP is typical for high-core-count server processors of this generation, and it signals that the chip will require a robust thermal solution. The data implies a need for a capable air cooler or a liquid cooling solution, depending on chassis airflow and ambient conditions.

The 165 W envelope is directly tied to the core count and clock speeds. With 24 cores running at a 2.10 GHz base, the power draw is distributed across the die, but the boost to 3.40 GHz on all cores would push consumption toward the TDP limit. The Ice Lake architecture, fabricated on Intel’s 10 nm process, is designed to balance performance and efficiency, but 165 W remains a significant thermal load. This is not an entry-level part for small form factor systems; it demands a server-grade motherboard with adequate VRM cooling and a chassis designed for high airflow.

For system integrators, the TDP class effectively defines the cooling tier. A 165 W processor will need a heatsink rated for at least that dissipation, and in dense server deployments, this may influence the selection of fans and overall thermal design. The data does not provide a specific cooler recommendation, but the wattage alone is sufficient to guide hardware selection toward serious thermal solutions.

Platform and Compatibility

The 5318S is built for the Intel Socket 4189 platform, which is the LGA 4189 socket used for Ice Lake-SP Xeon processors. This is a dedicated server socket, not compatible with consumer platforms. The architecture is Ice Lake, specifically the Ice Lake-SP codename, and the process node is 10 nm from Intel’s foundry.

Memory support is DDR4 with an eight-channel memory bus. This is a crucial feature for server workloads, as eight channels provide substantial memory bandwidth. The listed memory bandwidth is 187.7 GB/s, which is a theoretical maximum and indicates the processor can feed its 24 cores with data at a high rate. ECC memory support is present, which is mandatory for reliability in server and workstation environments where data corruption is unacceptable.

PCIe connectivity is Gen 4 with 64 lanes available from the CPU. This is a generous allocation, allowing for multiple high-speed NVMe storage devices, network interface cards, and GPU accelerators. The Gen 4 standard doubles the bandwidth of the previous generation, and 64 lanes provide ample room for expansion. The upgrade path for this platform is limited to other Socket 4189 processors, which means a system built around the 5318S can be upgraded to higher-core-count Xeon Gold or Platinum parts, provided the motherboard BIOS supports them. The production status is listed as Active, so this processor is still a current product, not a discontinued legacy part.

FAQ

Q: What is the core and thread count of the Intel Xeon Gold 5318S?

A: The processor has 24 cores and 48 threads, enabling simultaneous multi-threading for parallel workloads.

Q: What is the TDP of this processor?

A: The TDP class is 165 watts, which dictates the required cooling and power delivery specifications.

Q: Which memory type and bus configuration does it support?

A: It supports DDR4 memory with an eight-channel memory bus, providing a theoretical memory bandwidth of 187.7 GB/s.

Q: Does the processor support ECC memory?

A: Yes, ECC memory support is enabled, which is essential for error-correcting data integrity in server environments.

Q: What is the PCIe version and lane count?

A: The CPU provides Gen 4 PCIe with 64 lanes, suitable for high-bandwidth peripherals like NVMe drives and GPUs.

Q: What is the socket type and market segment?

A: It uses Intel Socket 4189 and is targeted at the Server/Workstation market segment, not consumer desktops.

How It Compares

The nearestRivals field is empty in the FACT PACK, so no direct comparisons with specific competitor models are available. Without those scores and deltaPct values, a precise rival-by-rival analysis cannot be performed. The data provided only allows for a positional comparison via the percentile rank of 50.

This rank is a broad statement against all CPUs in the database. It implies that the 5318S is not a leader in any particular performance metric, but it is also not a laggard. In the absence of named rivals, we can infer that its position is driven by the balance of its 24 cores and 2.10 GHz base clock. A higher-clock part with fewer cores might score higher in single-thread tests, while a part with more cores at similar clocks would score higher in multi-thread tests. The 5318S sits in the middle, offering a balanced profile that is neither extreme in either direction.

The benchmark percentile of 50 is the only comparative metric available. It suggests that in a typical mixed workload, this processor will deliver performance that is exactly average relative to the entire database population. This is a useful data point for system architects who need a baseline expectation.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread performance is a defining characteristic of the 5318S. The base clock of 2.10 GHz is low by modern standards, and the boost clock of 3.40 GHz is moderate. This indicates that single-thread performance will be underwhelming compared to processors with higher boost clocks, such as those in the 4.0 GHz or higher range.

However, the processor has 24 cores and 48 threads. This is where its strength lies. Multi-threaded workloads that can utilize all cores will see a significant throughput advantage over processors with fewer cores, even if those cores run faster. The 36 MB L3 cache is shared across the cores, which helps reduce memory latency in multi-threaded scenarios. The eight-channel DDR4 memory bus with 187.7 GB/s bandwidth further supports high core utilization, ensuring that the cores are not starved for data.

Real-world implications are clear: the 5318S will excel in tasks like video rendering, scientific simulations, database queries, and compilation workloads that are designed to scale across many threads. It will lag in single-thread-heavy applications such as older games or lightly threaded legacy software. The data suggests a processor that prioritizes parallel efficiency over single-core responsiveness.

Who Should Consider It

The 5318S is a server and workstation processor, and its target audience is dictated by its core count and memory bandwidth. For creation workloads, such as 3D rendering or video encoding, the 48 threads provide a substantial advantage. These applications are highly parallel, and the 24 cores will be kept busy, translating directly to reduced render times.

For office and general productivity, this processor is overkill. Basic tasks like word processing, spreadsheets, and web browsing will not utilize the cores, and the lower base clock means single-thread performance will feel slower than a modern consumer chip. The data does not support a recommendation for office-only use.

For gaming, the 5318S is not a suitable choice. Games typically rely on high single-thread performance, and the 3.40 GHz boost clock is insufficient to compete with consumer gaming processors. The lack of integrated graphics also means a discrete GPU is mandatory.

The ideal candidate for the 5318S is a professional running multi-threaded, memory-intensive applications. This includes data analysts processing large datasets, engineers running simulations, and content creators rendering complex scenes. The eight-channel memory bandwidth and 64 PCIe Gen 4 lanes also make it a strong foundation for a workstation with multiple GPUs or high-speed storage arrays. The 165 W TDP is a consideration for system builders, but for a server environment with proper cooling, it is a manageable requirement. The processor is positioned for those who need consistent, reliable multi-core performance in a 24-core package, not for those seeking peak single-core speed.