Xeon Gold 6458Q vs EPYC 9654

Primary details

Comparing EPYC 9654 and Xeon Gold 6458Q processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	6	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.29	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Power efficiency	19.91	no data
Architecture codename	Genoa (2022−2023)	Sapphire Rapids (2023−2024)
Release date	10 November 2022 (2 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$11,805	$6,416

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 9654 and Xeon Gold 6458Q 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	96	32 (Dotriaconta-Core)
Threads	192	64
Base clock speed	2.4 GHz	3.1 GHz
Boost clock speed	3.7 GHz	4 GHz
Multiplier	24	no data
L1 cache	64K (per core)	80K (per core)
L2 cache	1 MB (per core)	2 MB (per core)
L3 cache	384 MB (shared)	60 MB
Chip lithography	5 nm, 6 nm	Intel 7 nm
Die size	12x 72 mm2	no data
Maximum case temperature (TCase)	no data	66 °C
Number of transistors	78,840 million	no data
64 bit support	+	+

Compatibility

Information on EPYC 9654 and Xeon Gold 6458Q 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)	360 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9654 and Xeon Gold 6458Q. 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 9654 and Xeon Gold 6458Q 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 9654 and Xeon Gold 6458Q 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 9654 and Xeon Gold 6458Q. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-4800, DDR5-4400
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	-	+

Peripherals

Specifications and connection of peripherals supported by EPYC 9654 and Xeon Gold 6458Q.

PCIe version	5.0	5
PCI Express lanes	128	80

Pros & cons summary

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Recency	10 November 2022	10 January 2023
Physical cores	96	32
Threads	192	64
Power consumption (TDP)	360 Watt	350 Watt

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