Intel Xeon Platinum 8356H vs Intel Xeon Gold 6434H

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CPU comparison with benchmarks


Intel Xeon Platinum 8356H CPU1 vs CPU2 Intel Xeon Gold 6434H
Intel Xeon Platinum 8356H Intel Xeon Gold 6434H

CPU comparison

Intel Xeon Platinum 8356H or Intel Xeon Gold 6434H - 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 Platinum 8356H has 8 cores with 16 threads and clocks with a maximum frequency of 4.40 GHz. Up to 1146 GB of memory is supported in 6 memory channels. The Intel Xeon Platinum 8356H was released in Q2/2020.

The Intel Xeon Gold 6434H has 8 cores with 16 threads and clocks with a maximum frequency of 4.10 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The Intel Xeon Gold 6434H was released in Q1/2023.
Intel Xeon Platinum (89) Family Intel Xeon Gold (163)
Intel Xeon Platinum 8300 (CL) (10) CPU group Intel Xeon Gold 5400/6400 (25)
3 Generation 4
Cooper Lake Architecture Sapphire Rapids
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Platinum 8356H has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Xeon Platinum 8356H is 3.90 GHz (4.40 GHz) while the Intel Xeon Gold 6434H has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 6434H is at 3.70 GHz (4.10 GHz).
Intel Xeon Platinum 8356H Characteristic Intel Xeon Gold 6434H
8 Cores 8
16 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.90 GHz Frequency 3.70 GHz
4.40 GHz Turbo Frequency (1 Core) 4.10 GHz
4.20 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 Platinum 8356H Characteristic Intel Xeon Gold 6434H
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Xeon Platinum 8356H or Intel Xeon Gold 6434H 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 Platinum 8356H can use up to 1146 GB of memory in 6 memory channels. The maximum memory bandwidth is 140.7 GB/s. The Intel Xeon Gold 6434H 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 Platinum 8356H Characteristic Intel Xeon Gold 6434H
DDR4-2933 Memory DDR5-4400, DDR5-4800
1146 GB Max. Memory 4096 GB
6 (Hexa Channel) Memory channels 8 (Octa Channel)
140.7 GB/s Max. Bandwidth 307.2 GB/s
Yes ECC Yes
-- L2 Cache --
35.75 MB L3 Cache 22.50 MB
3.0 PCIe version 5.0
48 PCIe lanes 80
47.3 GB/s PCIe Bandwidth 315.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Xeon Platinum 8356H is 190 W, while the Intel Xeon Gold 6434H has a TDP of 195 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Xeon Platinum 8356H Characteristic Intel Xeon Gold 6434H
190 W TDP (PL1 / PBP) 195 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon Platinum 8356H is manufactured in 14 nm and has 35.75 MB cache. The Intel Xeon Gold 6434H is manufactured in 10 nm and has a 22.50 MB cache.
Intel Xeon Platinum 8356H Characteristic Intel Xeon Gold 6434H
14 nm Technology 10 nm
Monolithic 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 4189 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
Q2/2020 Release date Q1/2023
3400 $ Release price 3070 $
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Devices using this processor
Intel Xeon Platinum 8356H Intel Xeon Gold 6434H
Unknown Unknown

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