Intel Xeon D-2799 vs Intel Atom C3858

Intel Xeon D-2799 or Intel Atom C3858 - 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 D-2799 has 20 cores with 40 threads and clocks with a maximum frequency of 3.40 GHz. Up to 1024 GB of memory is supported in 4 memory channels. The Intel Xeon D-2799 was released in Q1/2022.

The Intel Atom C3858 has 12 cores with 12 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3858 was released in Q3/2017.

The Intel Xeon D-2799 has 20 CPU cores and can calculate 40 threads in parallel. The clock frequency of the Intel Xeon D-2799 is 2.40 GHz (3.40 GHz) while the Intel Atom C3858 has 12 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Atom C3858 is at 2.00 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 D-2799 or Intel Atom C3858 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 D-2799 can use up to 1024 GB of memory in 4 memory channels. The maximum memory bandwidth is 102.4 GB/s. The Intel Atom C3858 supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

The thermal design power (TDP for short) of the Intel Xeon D-2799 is 129 W, while the Intel Atom C3858 has a TDP of 25 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

The Intel Xeon D-2799 is manufactured in 10 nm and has 30.00 MB cache. The Intel Atom C3858 is manufactured in 14 nm and has a 12.00 MB cache.