Intel Atom C3955 vs Intel Xeon Gold 6438N

Intel Atom C3955 or Intel Xeon Gold 6438N - 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 Atom C3955 has 16 cores with 16 threads and clocks with a maximum frequency of 2.40 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3955 was released in Q3/2017.

The Intel Xeon Gold 6438N has 32 cores with 64 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The Intel Xeon Gold 6438N was released in Q1/2023.

The Intel Atom C3955 has 16 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Atom C3955 is 2.10 GHz (2.40 GHz) while the Intel Xeon Gold 6438N has 32 CPU cores and 64 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 6438N is at 2.00 GHz (3.60 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 Atom C3955 or Intel Xeon Gold 6438N 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 Atom C3955 can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Intel Xeon Gold 6438N 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 Atom C3955 is 32 W, while the Intel Xeon Gold 6438N has a TDP of 205 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

The Intel Atom C3955 is manufactured in 14 nm and has 16.00 MB cache. The Intel Xeon Gold 6438N is manufactured in 10 nm and has a 60.00 MB cache.