Intel® Xeon™ Gold 6138T

The Intel Xeon Gold 6138T is a server processor with 20 cores and 40 threads, built on the Skylake architecture. It launched in Jul 2017. Clocks run from 2.0 GHz base to 3.7 GHz boost. A 27.5-MB L3 cache backs the cores (2.4 MB per core). It addresses DDR4 memory up to 768 GB across 6 channels. The chip drops into the FCLGA3647 socket and exposes PCIe 3.0 (48 lanes). Rated TDP is 125 W. Notable platform capabilities: AVX-512, Extended Page Tables (EPT).

The Intel Xeon Gold 6138T scores 1,790 in single-core performance and 20,356 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 6,036 for overall performance, 15,737 for productivity performance, 14,418 for creator performance, 24,682 for engineering performance and 10,459 for gaming performance. Its multi-core throughput works out to 1,018 per core, 509 per thread and 163 per watt. Its computed efficiency index is 540. Its performance index is 75, so its overall performance is 25% below the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.

Scores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.

In the individual workload tests the Intel Xeon Gold 6138T scores 89,056 in integer math, 52,833 in floating-point math, 390,659 in compression, 10,360 in cryptography, 1,084 in physics simulation, 26,842 in vector SIMD, 80 in the prime sieve and 36,396 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 51% above in integer math, 15% above in floating-point math, 71% above in compression, 10% below in cryptography, 1% below in physics simulation, 73% above in vector SIMD, 19% above in the prime sieve and 61% above in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.

The Intel Xeon Gold 6138T has 20 physical cores and runs 40 logical threads. It runs 2 threads per core. It runs at a base clock of 2.00 GHz and boosts up to 3.70 GHz.

The Intel Xeon Gold 6138T is a server processor, belongs to the Intel Xeon Gold family, uses the Skylake architecture, carries the codename Skylake and is manufactured on a 14 nm process. It launched in Jul 2017.

The Intel Xeon Gold 6138T has 1 MB of L1 cache, 20 MB of L2 cache and 27.5 MB of L3 cache. That adds up to about 48.5 MB of cache, or 2.42 MB per core.

The Intel Xeon Gold 6138T has a 3-level cache hierarchy: L1 at 1 MB, L2 at 20 MB and L3 at 27.5 MB. L3 is the largest level and makes up about 57% of the cache listed here.

The Intel Xeon Gold 6138T supports DDR4 memory, addresses up to 768 GB of memory and uses 6 memory channels. It does not support DDR5 and LPDDR memory.

The Intel Xeon Gold 6138T does not include integrated graphics, so a discrete graphics card is required for display output.

The Intel Xeon Gold 6138T uses the FCLGA3647 socket, supports PCI Express 3.0 and provides up to 48 PCIe lanes.

The Intel Xeon Gold 6138T has a rated TDP of 125 W.

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

The Intel Xeon Gold 6138T is manufactured by Intel. It launched at a price of $2,742.

The Intel Xeon Gold 6138T is also identified by the model number 6138T.

Feex has recorded 55% of the specifications it tracks for the Intel Xeon Gold 6138T. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Performance Cores, Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L2 Cache (per Core) and L4 Cache. Memory Support: Memory Bandwidth, ECC Memory and Max Memory Speed. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count and Foundry. Naming & Aliases: Normalized Name, SKU, Processor Number and Part Number.

Processors that use the same FCLGA3647 socket as the Intel Xeon Gold 6138T and have the closest multi-core scores in the Feex database include Intel Xeon Gold 6250, Intel Xeon Gold 6126T, Intel Xeon Silver 4216, Intel Xeon Gold 6136 and Intel Xeon Gold 6226.