Xeon Platinum 8558P vs Platinum 8444H

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Primary details

Comparing Xeon Platinum 8444H and Xeon Platinum 8558P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentServerServer
Architecture codenameSapphire Rapids (2023−2024)Emerald Rapids (2023)
Release date10 January 2023 (1 year ago)14 December 2023 (1 year ago)
Launch price (MSRP)$4,234$6,759

Detailed specifications

Xeon Platinum 8444H and Xeon Platinum 8558P basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores16 (Hexadeca-Core)48 (Octatetraconta-Core)
Threads3296
Base clock speed2.9 GHz2.7 GHz
Boost clock speed4 GHz4 GHz
L1 cache80K (per core)80 KB (per core)
L2 cache2 MB (per core)2 MB (per core)
L3 cache45 MB260 MB (shared)
Chip lithographyIntel 7 nmIntel 7 nm
Die size4x 477 mm22x 763 mm2
Maximum case temperature (TCase)72 °C81 °C
64 bit support++

Compatibility

Information on Xeon Platinum 8444H and Xeon Platinum 8558P compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration82
SocketFCLGA4677FCLGA4677
Power consumption (TDP)270 Watt350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8444H and Xeon Platinum 8558P. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Deep Learning Boost++

Security technologies

Xeon Platinum 8444H and Xeon Platinum 8558P technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
SGXYes with Intel® SPSYes with Intel® SPS
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8444H and Xeon Platinum 8558P are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8444H and Xeon Platinum 8558P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800, DDR5-4400DDR5 @ 5600 MT/s (1 DPC)
Maximum memory size4 TB4 TB
Max memory channels88
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8444H and Xeon Platinum 8558P.

PCIe version5.05.0
PCI Express lanes8080

Pros & cons summary


Recency 10 January 2023 14 December 2023
Physical cores 16 48
Threads 32 96
Power consumption (TDP) 270 Watt 350 Watt

Xeon Platinum 8444H has 29.6% lower power consumption.

Xeon Platinum 8558P, on the other hand, has an age advantage of 11 months, and 200% more physical cores and 200% more threads.

We couldn't decide between Xeon Platinum 8444H and Xeon Platinum 8558P. We've got no test results to judge.


Should you still have questions on choice between Xeon Platinum 8444H and Xeon Platinum 8558P, ask them in Comments section, and we shall answer.

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Intel Xeon Platinum 8444H
Xeon Platinum 8444H
Intel Xeon Platinum 8558P
Xeon Platinum 8558P

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