Intel Atom C3858 vs Intel Xeon Gold 6443N

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CPU comparison with benchmarks


Intel Atom C3858 CPU1 vs CPU2 Intel Xeon Gold 6443N
Intel Atom C3858 Intel Xeon Gold 6443N

CPU comparison

Intel Atom C3858 or Intel Xeon Gold 6443N - 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 C3858 has 12 cores with 12 threads and clocks with a maximum frequency of 2.00 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3858 was released in Q3/2017.

The Intel Xeon Gold 6443N 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 6443N was released in Q3/2023.
Intel Atom (108) Family Intel Xeon Gold (163)
Intel Atom C3000 (20) CPU group Intel Xeon Gold 5400/6400 Edge Enhanced (8)
5 Generation 4
Denverton Architecture Sapphire Rapids Edge Enh.
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom C3858 is a 12 core processor with a clock frequency of 2.00 GHz. The Intel Xeon Gold 6443N has 32 CPU cores with a clock frequency of 2.00 GHz (3.60 GHz).
Intel Atom C3858 Characteristic Intel Xeon Gold 6443N
12 Cores 32
12 Threads 64
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.00 GHz Frequency 2.00 GHz
-- Turbo Frequency (1 Core) 3.60 GHz
-- Turbo Frequency (All Cores) --

NPU AI performance

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.
Intel Atom C3858 Characteristic Intel Xeon Gold 6443N
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
no iGPU GPU no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

Hardware codec support

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.
no iGPU GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Atom C3858 supports a maximum of 256 GB of memory in 2 memory channels. The Intel Xeon Gold 6443N can connect up to 4096 GB of memory in 8 memory channels.
Intel Atom C3858 Characteristic Intel Xeon Gold 6443N
DDR4-2400 Memory DDR5-4400
256 GB Max. Memory 4096 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
38.4 GB/s Max. Bandwidth 281.6 GB/s
Yes ECC Yes
12.00 MB L2 Cache --
-- L3 Cache 60.00 MB
3.0 PCIe version 4.0
16 PCIe lanes 64
15.8 GB/s PCIe Bandwidth 126.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom C3858 has a TDP of 25 W, that of the Intel Xeon Gold 6443N is 195 W.
Intel Atom C3858 Characteristic Intel Xeon Gold 6443N
25 W TDP (PL1 / PBP) 195 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Atom C3858 has a 12.00 MB cache, while the Intel Xeon Gold 6443N cache has a total of 60.00 MB.
Intel Atom C3858 Characteristic Intel Xeon Gold 6443N
14 nm Technology 10 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1310 Socket LGA 4677
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows, Linux
Q3/2017 Release date Q3/2023
332 $ Release price 3250 $
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Devices using this processor
Intel Atom C3858 Intel Xeon Gold 6443N
Unknown Unknown

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