The Intel Xeon Gold 6538N is built on a 10 nm semiconductor process and operates within a Thermal Design Power of 205W, with a maximum rated CPU temperature of 95 °C — parameters that reflect its positioning as a server-class processor requiring appropriate data center cooling. It supports PCIe 5.0 for high-bandwidth peripheral and storage connectivity, and is fully 64-bit compatible. Integrated graphics are not included, which is standard for processors in this category where display output is handled through other means.
The processor runs 32 cores at a base frequency of 2.1 GHz, with a clock multiplier of 21, and uses multithreading to expose 64 threads for parallel workload distribution. Turbo Boost version 2 can raise the operating frequency to 4.1 GHz on eligible cores when thermal and power headroom allows, though the multiplier remains locked and cannot be manually adjusted. The 60 MB L3 cache works out to approximately 1.88 MB per core, providing on-chip data buffering across the processor's full core count to help sustain throughput during active workloads.
Memory runs on DDR5 at speeds of up to 5200 MHz across eight channels, with a bus transfer rate of 20 GT/s supporting a maximum bandwidth of 332.8 GB/s — a configuration well-suited to workloads that place heavy demands on memory throughput. Total addressable memory extends to 4000 GB, providing ample capacity for large server deployments. ECC memory support is included, allowing the system to identify and correct single-bit errors in real time, which is a standard reliability requirement for enterprise environments where uninterrupted data accuracy is essential.
The processor supports multithreading, allowing each core to handle more than one thread at a time to improve throughput across parallel workloads. Its instruction set support covers MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, enabling efficient execution across a range of server tasks including vectorized computation, floating-point operations, and hardware-accelerated encryption. The inclusion of the NX bit adds a hardware-enforced layer of security by preventing code execution in memory regions that are designated as non-executable, a standard safeguard in enterprise server environments.
In PassMark testing, the processor achieves a multi-threaded score of 44,895, reflecting its ability to distribute computational load across its 32 cores and 64 threads. Its single-threaded PassMark result of 1,725 captures per-core performance under sequential conditions, indicating more modest throughput when workloads cannot be parallelized across the available thread count.
