Intel Xeon Platinum 8256 vs Intel Xeon Gold 6434H

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CPU comparison with benchmarks


Intel Xeon Platinum 8256 CPU1 vs CPU2 Intel Xeon Gold 6434H
Intel Xeon Platinum 8256 Intel Xeon Gold 6434H

CPU comparison

Intel Xeon Platinum 8256 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 8256 has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. Up to 1024 GB of memory is supported in 6 memory channels. The Intel Xeon Platinum 8256 was released in Q2/2019.

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 8200/9200 (21) CPU group Intel Xeon Gold 5400/6400 (25)
2 Generation 4
Cascade Lake Architecture Sapphire Rapids
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Platinum 8256 is a 4 core processor with a clock frequency of 3.80 GHz (3.90 GHz). The Intel Xeon Gold 6434H has 8 CPU cores with a clock frequency of 3.70 GHz (4.10 GHz).
Intel Xeon Platinum 8256 Characteristic Intel Xeon Gold 6434H
4 Cores 8
8 Threads 16
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.80 GHz Frequency 3.70 GHz
3.90 GHz Turbo Frequency (1 Core) 4.10 GHz
3.90 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 8256 Characteristic Intel Xeon Gold 6434H
-- AI hardware --
-- AI specifications --

Internal Graphics

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 Xeon Platinum 8256 supports a maximum of 1024 GB of memory in 6 memory channels. The Intel Xeon Gold 6434H can connect up to 4096 GB of memory in 8 memory channels.
Intel Xeon Platinum 8256 Characteristic Intel Xeon Gold 6434H
DDR4-2933 Memory DDR5-4400, DDR5-4800
1024 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 --
16.50 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 TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Xeon Platinum 8256 has a TDP of 105 W, that of the Intel Xeon Gold 6434H is 195 W.
Intel Xeon Platinum 8256 Characteristic Intel Xeon Gold 6434H
105 W TDP (PL1 / PBP) 195 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon Platinum 8256 has a 16.50 MB cache, while the Intel Xeon Gold 6434H cache has a total of 22.50 MB.
Intel Xeon Platinum 8256 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 3647 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
Q2/2019 Release date Q1/2023
7010 $ Release price 3070 $
show more data show more data


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Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Platinum 8256 Intel Xeon Platinum 8256
4C 8T @ 3.90 GHz
366 (100%)
Intel Xeon Gold 6434H Intel Xeon Gold 6434H
8C 16T @ 4.10 GHz
0 (0%)

Devices using this processor
Intel Xeon Platinum 8256 Intel Xeon Gold 6434H
Unknown Unknown

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