EPYC Embedded 9454 vs Xeon 658X

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	99	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	25.47	no data
Market segment	Server	Server
Power efficiency	6.58	no data
Designer	Intel	AMD
Manufacturer	Intel	TSMC
Architecture codename	Granite Rapids (2024−2026)	Genoa (2022−2023)
Release date	2 February 2026 (recently)	14 March 2023 (2 years ago)
Launch price (MSRP)	$1,699	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Xeon 658X and EPYC Embedded 9454 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)
Performance-cores	24	no data
Threads	48	96
Base clock speed	3 GHz	2.75 GHz
Boost clock speed	4.9 GHz	3.8 GHz
Bus rate	0 GT/s	no data
L1 cache	112 KB (per core)	64 KB (per core)
L2 cache	2 MB (per core)	1 MB (per core)
L3 cache	144 MB (shared)	256 MB (shared)
Chip lithography	Intel 3 nm	5 nm
Die size	2x 598 mm2	8x 72 mm2
Maximum case temperature (TCase)	75 °C	no data
Number of transistors	no data	52,560 million
64 bit support	+	+
Unlocked multiplier	+	-

Compatibility

Information on Xeon 658X and EPYC Embedded 9454 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	1	2
Socket	FCLGA4710	SP5
Power consumption (TDP)	250 Watt	290 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 658X and EPYC Embedded 9454. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Xeon 658X and EPYC Embedded 9454 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon 658X and EPYC Embedded 9454 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 Xeon 658X and EPYC Embedded 9454. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5(6400MT/s)	DDR5-4800
Maximum memory size	4 TB	no data
Max memory channels	8	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon 658X and EPYC Embedded 9454.

PCIe version	5.0	5.0
PCI Express lanes	128	128

Pros & cons summary

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Recency	2 February 2026	14 March 2023
Physical cores	24	48
Threads	48	96
Power consumption (TDP)	250 Watt	290 Watt

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