Intel Xeon Gold 6423N vs AMD EPYC 9355

Intel Xeon Gold 6423N or AMD EPYC 9355 - 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 Gold 6423N has 28 cores with 56 threads and clocks with a maximum frequency of 3.60 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The Intel Xeon Gold 6423N was released in Q3/2023.

The AMD EPYC 9355 has 32 cores with 64 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9355 was released in Q4/2024.

The Intel Xeon Gold 6423N has 28 CPU cores and can calculate 56 threads in parallel. The clock frequency of the Intel Xeon Gold 6423N is 2.00 GHz (3.60 GHz) while the AMD EPYC 9355 has 32 CPU cores and 64 threads can calculate simultaneously. The clock frequency of the AMD EPYC 9355 is at 3.50 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 Gold 6423N or AMD EPYC 9355 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 Gold 6423N can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 281.6 GB/s. The AMD EPYC 9355 supports up to 6144 GB of memory in 12 memory channels and achieves a memory bandwidth of up to 480.0 GB/s.

The thermal design power (TDP for short) of the Intel Xeon Gold 6423N is 195 W, while the AMD EPYC 9355 has a TDP of 280 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

The Intel Xeon Gold 6423N is manufactured in 10 nm and has 52.50 MB cache. The AMD EPYC 9355 is manufactured in 4 nm and has a 128.00 MB cache.