Intel Xeon Gold 6421N vs AMD EPYC 7373X

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CPU comparison with benchmarks


Intel Xeon Gold 6421N CPU1 vs CPU2 AMD EPYC 7373X
Intel Xeon Gold 6421N AMD EPYC 7373X

CPU comparison

Intel Xeon Gold 6421N or AMD EPYC 7373X - 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 AMD EPYC 7373X has 16 cores with 32 threads and clocks with a maximum frequency of 3.80 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The AMD EPYC 7373X was released in Q2/2022.
Intel Xeon Gold (163) Family AMD EPYC (129)
Intel Xeon Gold 5400/6400 (25) CPU group AMD EPYC 7003 (29)
4 Generation 3
Sapphire Rapids Architecture Milan (Zen 3)
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

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 AMD EPYC 7373X has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the AMD EPYC 7373X is at 3.05 GHz (3.80 GHz).
Intel Xeon Gold 6421N Characteristic AMD EPYC 7373X
32 Cores 16
64 Threads 32
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.80 GHz Frequency 3.05 GHz
3.60 GHz Turbo Frequency (1 Core) 3.80 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 6421N Characteristic AMD EPYC 7373X
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Xeon Gold 6421N or AMD EPYC 7373X 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 6421N can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 281.6 GB/s. The AMD EPYC 7373X supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 204.8 GB/s.
Intel Xeon Gold 6421N Characteristic AMD EPYC 7373X
DDR5-4400 Memory DDR4-3200
4096 GB Max. Memory 4096 GB
8 (Octa Channel) Memory channels 8 (Octa Channel)
281.6 GB/s Max. Bandwidth 204.8 GB/s
Yes ECC Yes
-- L2 Cache 32.00 MB
60.00 MB L3 Cache 768.00 MB
5.0 PCIe version 4.0
80 PCIe lanes 128
315.0 GB/s PCIe Bandwidth 252.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Gold 6421N is 185 W, while the AMD EPYC 7373X has a TDP of 240 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Xeon Gold 6421N Characteristic AMD EPYC 7373X
185 W TDP (PL1 / PBP) 240 W
-- TDP (PL2) --
-- TDP up 280 W
-- TDP down 225 W
-- Tjunction max. --

Technical details

The Intel Xeon Gold 6421N is manufactured in 10 nm and has 60.00 MB cache. The AMD EPYC 7373X is manufactured in 7 nm and has a 800.00 MB cache.
Intel Xeon Gold 6421N Characteristic AMD EPYC 7373X
10 nm Technology 7 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 SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
LGA 4677 Socket SP3
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows, Linux Operating systems Windows 10, Linux
Q1/2023 Release date Q2/2022
2368 $ Release price 3900 $
show more data show more data


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Devices using this processor
Intel Xeon Gold 6421N AMD EPYC 7373X
Unknown Unknown

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