Intel Xeon Gold 6438N 32c/64t 2.0GHz-3.6GHz 205W (PK8071305122101)

Intel Xeon Gold 6438N — Scalable Sapphire Rapids Processor for High-Throughput Enterprise Compute

The Intel Xeon Gold 6438N is a 32-core, 64-thread Sapphire Rapids CPU engineered for environments that demand consistent multi-socket performance, high memory bandwidth and strong parallel throughput. With a 2.0 GHz base clock and turbo frequencies up to 3.6 GHz, it provides stable performance for virtualized datacenters, distributed analytics engines and cloud-native enterprise services.

Sapphire Rapids architecture improves IPC through enhanced execution pipelines, refined branch prediction and more efficient instruction scheduling. These advancements benefit microservices, JVM workloads, message brokers and multi-tenant backend platforms where predictable behavior under load is essential. The processor excels in scenarios where throughput and concurrency matter more than peak single-thread speed.

The eight-channel DDR5 memory controller, supporting 4400–4800 MT/s, delivers substantial bandwidth increases over DDR4 systems. Memory-bound workloads such as real-time analytics, distributed SQL engines, log-processing pipelines and search clusters experience lower tail latency and improved overall throughput due to reduced contention and better locality.

The CPU’s cache subsystem includes 2 MB of L2 per core and a 60 MB shared L3 cache, offering efficient handling of workloads with frequent small operations and metadata accesses. This makes the 6438N ideal for distributed computing tasks, containerized application clusters and systems that rely on rapid context switching.

With 80 PCIe 5.0 lanes, the processor supports high-speed NVMe storage, SmartNICs, DPUs, FPGA accelerators and advanced networking solutions. This ensures future-proof I/O scalability for SDS platforms, virtualization hosts and cloud-native infrastructure layers.

A 205 W TDP allows the Xeon Gold 6438N to sustain heavy multi-core workloads reliably in 2-socket enterprise servers. It provides a strong balance between throughput, memory performance and I/O capability, making it a compelling choice for organizations modernizing their compute environments around Sapphire Rapids.

Overall, the Intel Xeon Gold 6438N delivers predictable performance, memory bandwidth and scalability for modern enterprise applications, distributed compute frameworks and high-density virtualized environments.