Intel Xeon Platinum 8444H vs Intel Xeon Platinum 8458P

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CPU comparison with benchmarks


Intel Xeon Platinum 8444H CPU1 vs CPU2 Intel Xeon Platinum 8458P
Intel Xeon Platinum 8444H Intel Xeon Platinum 8458P

CPU comparison

Intel Xeon Platinum 8444H or Intel Xeon Platinum 8458P - 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 8444H has 16 cores with 32 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 Platinum 8444H was released in Q1/2023.

The Intel Xeon Platinum 8458P has 44 cores with 88 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 Intel Xeon Platinum 8458P was released in Q1/2023.
Intel Xeon Platinum (89) Family Intel Xeon Platinum (89)
Intel Xeon Platinum 8400 (18) CPU group Intel Xeon Platinum 8400 (18)
4 Generation 4
Sapphire Rapids Architecture Sapphire Rapids
Desktop / Server Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Platinum 8444H is a 16 core processor with a clock frequency of 2.90 GHz (4.00 GHz). The Intel Xeon Platinum 8458P has 44 CPU cores with a clock frequency of 2.70 GHz (3.80 GHz).
Intel Xeon Platinum 8444H Characteristic Intel Xeon Platinum 8458P
16 Cores 44
32 Threads 88
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.90 GHz Frequency 2.70 GHz
4.00 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 Platinum 8444H Characteristic Intel Xeon Platinum 8458P
-- 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 8444H supports a maximum of 4096 GB of memory in 8 memory channels. The Intel Xeon Platinum 8458P can connect up to 4096 GB of memory in 8 memory channels.
Intel Xeon Platinum 8444H Characteristic Intel Xeon Platinum 8458P
DDR5-4400, DDR5-4800 Memory DDR5-4400, DDR5-4800
4096 GB Max. Memory 4096 GB
8 (Octa Channel) Memory channels 8 (Octa Channel)
307.2 GB/s Max. Bandwidth 307.2 GB/s
Yes ECC Yes
-- L2 Cache --
45.00 MB L3 Cache 82.50 MB
5.0 PCIe version 5.0
80 PCIe lanes 80
315.0 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 8444H has a TDP of 270 W, that of the Intel Xeon Platinum 8458P is 350 W.
Intel Xeon Platinum 8444H Characteristic Intel Xeon Platinum 8458P
270 W TDP (PL1 / PBP) 350 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon Platinum 8444H has a 45.00 MB cache, while the Intel Xeon Platinum 8458P cache has a total of 82.50 MB.
Intel Xeon Platinum 8444H Characteristic Intel Xeon Platinum 8458P
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
4234 $ Release price 6759 $
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Devices using this processor
Intel Xeon Platinum 8444H Intel Xeon Platinum 8458P
Unknown Unknown

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