Intel Xeon Gold 6438Y+ 32c/64t 2.0GHz-4.0GHz 205W (PK8071305120701)

Intel Xeon Gold 6438Y+ — High-Frequency Sapphire Rapids Processor for Scalable Enterprise Workloads

The Intel Xeon Gold 6438Y+ is a 32-core, 64-thread Sapphire Rapids CPU designed to deliver a balance of parallel throughput and improved turbo responsiveness. With a 2.0 GHz base clock and boost speeds up to 4.0 GHz, it excels in mixed-load environments, including cloud-native applications, virtualization clusters and distributed compute platforms.

Sapphire Rapids architecture introduces enhancements such as wider instruction decoders, stronger prefetching, improved branch prediction and better memory scheduling. These provide practical benefits for microservices, large-scale Kubernetes deployments, high-throughput messaging systems and analytics engines that depend on latency stability.

The processor supports an eight-channel DDR5 memory subsystem operating at 4400–4800 MT/s. This higher bandwidth improves performance in memory-intensive workloads such as distributed SQL databases, in-memory caching engines, search clusters and telemetry pipelines, reducing contention and enhancing p99 latency behavior.

With 2 MB of L2 cache per core and a 60 MB shared L3 cache, the 6438Y+ handles frequent small operations, metadata accesses and rapid context switching with greater efficiency. This makes it particularly effective in event-driven systems, multi-tenant compute layers and high-load backend architectures.

The CPU offers 80 PCIe 5.0 lanes, enabling integration with NVMe storage, SmartNICs, RDMA network adapters and accelerator hardware. This I/O capacity supports modern infrastructure designs where storage and networking throughput must scale alongside compute resources.

Featuring a 205 W TDP, the Xeon Gold 6438Y+ is optimized for sustained performance in dual-socket enterprise servers. Its combination of high frequency, solid throughput and wide memory bandwidth makes it a strong fit for cloud platforms, distributed compute fabrics and enterprise applications requiring both scalability and responsiveness.