Xeon Platinum 8558P vs EPYC 9254

Primary details

Comparing EPYC 9254 and Xeon Platinum 8558P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	54	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	15.75	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Power efficiency	20.21	no data
Architecture codename	Genoa (2022−2023)	Emerald Rapids (2023)
Release date	10 November 2022 (2 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$2,299	$6,759

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 9254 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 cores	24 (Tetracosa-Core)	48 (Octatetraconta-Core)
Threads	48	96
Base clock speed	2.9 GHz	2.7 GHz
Boost clock speed	4.15 GHz	4 GHz
Multiplier	29	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	128 MB (shared)	260 MB (shared)
Chip lithography	5 nm, 6 nm	Intel 7 nm
Die size	4x 72 mm2	2x 763 mm2
Maximum case temperature (TCase)	no data	81 °C
Number of transistors	26,280 million	no data
64 bit support	+	+

Compatibility

Information on EPYC 9254 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 configuration	2	2
Socket	SP5	FCLGA4677
Power consumption (TDP)	200 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9254 and Xeon Platinum 8558P. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Precision Boost 2	+	no data
Deep Learning Boost	-	+

Security technologies

EPYC 9254 and Xeon Platinum 8558P technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9254 and Xeon Platinum 8558P are enumerated here.

AMD-V	+	-
VT-d	no data	+
VT-x	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9254 and Xeon Platinum 8558P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5 @ 5600 MT/s (1 DPC)
Maximum memory size	6 TiB	4 TB
Max memory channels	no data	8
Maximum memory bandwidth	460.8 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by EPYC 9254 and Xeon Platinum 8558P.

PCIe version	5.0	5.0
PCI Express lanes	128	80

Pros & cons summary

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Recency	10 November 2022	14 December 2023
Physical cores	24	48
Threads	48	96
Power consumption (TDP)	200 Watt	350 Watt

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Should you still have questions on choice between EPYC 9254 and Xeon Platinum 8558P, ask them in Comments section, and we shall answer.

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