Intel Xeon Gold 6423N vs Intel Xeon Gold 6403N

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CPU comparison with benchmarks


Intel Xeon Gold 6423N CPU1 vs CPU2 Intel Xeon Gold 6403N
Intel Xeon Gold 6423N Intel Xeon Gold 6403N

CPU comparison

Intel Xeon Gold 6423N or Intel Xeon Gold 6403N - 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 Intel Xeon Gold 6403N has 24 cores with 48 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 6403N was released in Q3/2023.
Intel Xeon Gold (163) Family Intel Xeon Gold (163)
Intel Xeon Gold 5400/6400 Edge Enhanced (8) CPU group Intel Xeon Gold 5400/6400 Edge Enhanced (8)
4 Generation 4
Sapphire Rapids Edge Enh. Architecture Sapphire Rapids Edge Enh.
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

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 Intel Xeon Gold 6403N has 24 CPU cores and 48 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 6403N is at 1.90 GHz (3.60 GHz).
Intel Xeon Gold 6423N Characteristic Intel Xeon Gold 6403N
28 Cores 24
56 Threads 48
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.00 GHz Frequency 1.90 GHz
3.60 GHz Turbo Frequency (1 Core) 3.60 GHz
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Xeon Gold 6423N Characteristic Intel Xeon Gold 6403N
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Xeon Gold 6423N or Intel Xeon Gold 6403N 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.
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 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 Intel Xeon Gold 6403N supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 256.0 GB/s.
Intel Xeon Gold 6423N Characteristic Intel Xeon Gold 6403N
DDR5-4400 Memory
4096 GB Max. Memory 4096 GB
8 (Octa Channel) Memory channels 8 (Octa Channel)
281.6 GB/s Max. Bandwidth 256.0 GB/s
Yes ECC Yes
-- L2 Cache --
52.50 MB L3 Cache 45.00 MB
4.0 PCIe version 4.0
64 PCIe lanes 64
126.0 GB/s PCIe Bandwidth 126.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Gold 6423N is 195 W, while the Intel Xeon Gold 6403N has a TDP of 185 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Xeon Gold 6423N Characteristic Intel Xeon Gold 6403N
195 W TDP (PL1 / PBP) 185 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon Gold 6423N is manufactured in 10 nm and has 52.50 MB cache. The Intel Xeon Gold 6403N is manufactured in 10 nm and has a 45.00 MB cache.
Intel Xeon Gold 6423N Characteristic Intel Xeon Gold 6403N
10 nm Technology 10 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
LGA 4677 Socket LGA 4677
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows, Linux Operating systems Windows, Linux
Q3/2023 Release date Q3/2023
2161 $ Release price 1796 $
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Devices using this processor
Intel Xeon Gold 6423N Intel Xeon Gold 6403N
Unknown Unknown

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