Intel Xeon Gold 6256 vs Intel Xeon Gold 6458Q

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CPU comparison with benchmarks


Intel Xeon Gold 6256 CPU1 vs CPU2 Intel Xeon Gold 6458Q
Intel Xeon Gold 6256 Intel Xeon Gold 6458Q

CPU comparison

Intel Xeon Gold 6256 or Intel Xeon Gold 6458Q - 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 6256 has 12 cores with 24 threads and clocks with a maximum frequency of 4.50 GHz. Up to 1024 GB of memory is supported in 6 memory channels. The Intel Xeon Gold 6256 was released in Q1/2020.

The Intel Xeon Gold 6458Q has 32 cores with 64 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 4096 GB of memory in 8 memory channels. The Intel Xeon Gold 6458Q was released in Q1/2023.
Intel Xeon Gold (163) Family Intel Xeon Gold (163)
Intel Xeon Gold 5200/6200 (55) 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 Gold 6256 is a 12 core processor with a clock frequency of 3.60 GHz (4.50 GHz). The Intel Xeon Gold 6458Q has 32 CPU cores with a clock frequency of 3.10 GHz (4.00 GHz).
Intel Xeon Gold 6256 Characteristic Intel Xeon Gold 6458Q
12 Cores 32
24 Threads 64
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
3.60 GHz Frequency 3.10 GHz
4.50 GHz Turbo Frequency (1 Core) 4.00 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 Gold 6256 Characteristic Intel Xeon Gold 6458Q
-- 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 Gold 6256 supports a maximum of 1024 GB of memory in 6 memory channels. The Intel Xeon Gold 6458Q can connect up to 4096 GB of memory in 8 memory channels.
Intel Xeon Gold 6256 Characteristic Intel Xeon Gold 6458Q
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 --
33.00 MB L3 Cache 60.00 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 Gold 6256 has a TDP of 205 W, that of the Intel Xeon Gold 6458Q is 350 W.
Intel Xeon Gold 6256 Characteristic Intel Xeon Gold 6458Q
205 W TDP (PL1 / PBP) 350 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
76 °C Tjunction max. --

Technical details

The Intel Xeon Gold 6256 has a 33.00 MB cache, while the Intel Xeon Gold 6458Q cache has a total of 60.00 MB.
Intel Xeon Gold 6256 Characteristic Intel Xeon Gold 6458Q
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
Q1/2020 Release date Q1/2023
3900 $ Release price 6416 $
show more data show more data


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Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.50 GHz
1222 (100%)
Intel Xeon Gold 6458Q Intel Xeon Gold 6458Q
32C 64T @ 4.00 GHz
0 (0%)

Devices using this processor
Intel Xeon Gold 6256 Intel Xeon Gold 6458Q
Unknown Unknown

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