Intel Xeon Gold 6421N vs Intel Xeon Gold 5218B

Intel Xeon Gold 6421N or Intel Xeon Gold 5218B - 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 6421N has 32 cores with 64 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 6421N was released in Q1/2023.

The Intel Xeon Gold 5218B has 16 cores with 32 threads and clocks with a maximum frequency of 3.90 GHz. The CPU supports up to GB of memory in 6 memory channels. The Intel Xeon Gold 5218B was released in Q2/2019.

The Intel Xeon Gold 6421N has 32 CPU cores and can calculate 64 threads in parallel. The clock frequency of the Intel Xeon Gold 6421N is 1.80 GHz (3.60 GHz) while the Intel Xeon Gold 5218B has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 5218B is at 2.30 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 Gold 6421N or Intel Xeon Gold 5218B 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 6421N can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 281.6 GB/s. The Intel Xeon Gold 5218B supports up to GB of memory in 6 memory channels and achieves a memory bandwidth of up to 128.1 GB/s.

The thermal design power (TDP for short) of the Intel Xeon Gold 6421N is 185 W, while the Intel Xeon Gold 5218B has a TDP of 125 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

The Intel Xeon Gold 6421N is manufactured in 10 nm and has 60.00 MB cache. The Intel Xeon Gold 5218B is manufactured in 14 nm and has a 22.00 MB cache.