Intel Xeon Gold 5423N vs Intel Xeon Platinum 8450H

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CPU comparison with benchmarks


Intel Xeon Gold 5423N CPU1 vs CPU2 Intel Xeon Platinum 8450H
Intel Xeon Gold 5423N Intel Xeon Platinum 8450H

CPU comparison

Intel Xeon Gold 5423N or Intel Xeon Platinum 8450H - 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 5423N has 20 cores with 40 threads and clocks with a maximum frequency of 4.00 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The Intel Xeon Gold 5423N was released in Q1/2023.

The Intel Xeon Platinum 8450H has 28 cores with 56 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The Intel Xeon Platinum 8450H was released in Q1/2023.
Intel Xeon Gold (163) Family Intel Xeon Platinum (89)
Intel Xeon Gold 5400/6400 Edge Enhanced (8) CPU group Intel Xeon Platinum 8400 (18)
4 Generation 4
Sapphire Rapids Edge Enh. Architecture Sapphire Rapids
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Gold 5423N has 20 CPU cores and can calculate 40 threads in parallel. The clock frequency of the Intel Xeon Gold 5423N is 2.10 GHz (4.00 GHz) while the Intel Xeon Platinum 8450H has 28 CPU cores and 56 threads can calculate simultaneously. The clock frequency of the Intel Xeon Platinum 8450H is at 2.00 GHz (3.50 GHz).

Intel Xeon Gold 5423N Characteristic Intel Xeon Platinum 8450H
20 Cores 28
40 Threads 56
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.10 GHz Frequency 2.00 GHz
4.00 GHz Turbo Frequency (1 Core) 3.50 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 Xeon Gold 5423N Characteristic Intel Xeon Platinum 8450H
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Xeon Gold 5423N or Intel Xeon Platinum 8450H 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 5423N can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 256.0 GB/s. The Intel Xeon Platinum 8450H supports up to 4096 GB of memory in 8 memory channels and achieves a memory bandwidth of up to 307.2 GB/s.

Intel Xeon Gold 5423N Characteristic Intel Xeon Platinum 8450H
Memory DDR5-4400, DDR5-4800
4096 GB Max. Memory 4096 GB
8 (Octa Channel) Memory channels 8 (Octa Channel)
256.0 GB/s Max. Bandwidth 307.2 GB/s
Yes ECC Yes
-- L2 Cache --
37.50 MB L3 Cache 75.00 MB
4.0 PCIe version 5.0
48 PCIe lanes 80
94.5 GB/s PCIe Bandwidth 315.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Gold 5423N is 145 W, while the Intel Xeon Platinum 8450H has a TDP of 250 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Xeon Gold 5423N Characteristic Intel Xeon Platinum 8450H
145 W TDP (PL1 / PBP) 250 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon Gold 5423N is manufactured in 10 nm and has 37.50 MB cache. The Intel Xeon Platinum 8450H is manufactured in 10 nm and has a 75.00 MB cache.

Intel Xeon Gold 5423N Characteristic Intel Xeon Platinum 8450H
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
Q1/2023 Release date Q1/2023
1508 $ Release price 4708 $
show more data show more data


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Devices using this processor

Intel Xeon Gold 5423N Intel Xeon Platinum 8450H
Unknown Unknown

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