Xeon Gold 6558Q vs EPYC Embedded 9254

Primary details

Comparing EPYC Embedded 9254 and Xeon Gold 6558Q processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	Genoa (2022−2023)	no data
Release date	14 March 2023 (1 year ago)	1 October 2023 (1 year ago)

Detailed specifications

EPYC Embedded 9254 and Xeon Gold 6558Q 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)	32 (Dotriaconta-Core)
Threads	48	64
Base clock speed	2.9 GHz	3.2 GHz
Boost clock speed	4.15 GHz	4.1 GHz
L1 cache	64 KB (per core)	no data
L2 cache	1 MB (per core)	no data
L3 cache	128 MB (shared)	60 MB
Chip lithography	5 nm	Intel 7 nm
Die size	4x 72 mm2	no data
Maximum core temperature	no data	66 °C
Number of transistors	26,280 million	no data
64 bit support	+	-

Compatibility

Information on EPYC Embedded 9254 and Xeon Gold 6558Q 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	no data
Socket	SP5	FCLGA4677
Power consumption (TDP)	200 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC Embedded 9254 and Xeon Gold 6558Q. 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	+	-
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 Embedded 9254 and Xeon Gold 6558Q 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 Embedded 9254 and Xeon Gold 6558Q 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 Embedded 9254 and Xeon Gold 6558Q. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-5200
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by EPYC Embedded 9254 and Xeon Gold 6558Q.

PCIe version	5.0	5.0
PCI Express lanes	128	80

Pros & cons summary

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Recency	14 March 2023	1 October 2023
Physical cores	24	32
Threads	48	64
Power consumption (TDP)	200 Watt	350 Watt

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Should you still have questions on choice between EPYC Embedded 9254 and Xeon Gold 6558Q, ask them in Comments section, and we shall answer.

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