Intel Xeon Platinum 8356H vs Intel Xeon Gold 6438M

Intel Xeon Platinum 8356H or Intel Xeon Gold 6438M - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Xeon Platinum 8356H has 8 cores with 16 threads and clocks with a maximum frequency of 4.40 GHz. Up to 1146 GB of memory is supported in 6 memory channels. The Intel Xeon Platinum 8356H was released in Q2/2020.

The Intel Xeon Gold 6438M has 32 cores with 64 threads and clocks with a maximum frequency of 3.90 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The Intel Xeon Gold 6438M was released in Q1/2023.

The Intel Xeon Platinum 8356H has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Xeon Platinum 8356H is 3.90 GHz (4.40 GHz) while the Intel Xeon Gold 6438M has 32 CPU cores and 64 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 6438M is at 2.20 GHz (3.90 GHz).

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

The Intel Xeon Platinum 8356H or Intel Xeon Gold 6438M has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

The Intel Xeon Platinum 8356H can use up to 1146 GB of memory in 6 memory channels. The maximum memory bandwidth is 140.7 GB/s. The Intel Xeon Gold 6438M supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 307.2 GB/s.

The thermal design power (TDP for short) of the Intel Xeon Platinum 8356H is 190 W, while the Intel Xeon Gold 6438M has a TDP of 205 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

The Intel Xeon Platinum 8356H is manufactured in 14 nm and has 35.75 MB cache. The Intel Xeon Gold 6438M is manufactured in 10 nm and has a 60.00 MB cache.