EPYC 9654 vs EPYC 9254

Primary details

Comparing EPYC 9254 and EPYC 9654 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	40	4
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	17.86	10.12
Market segment	Server	Server
Series	AMD EPYC	AMD EPYC
Architecture codename	Genoa	Genoa
Release date	10 November 2022 (1 year ago)	10 November 2022 (1 year ago)
Launch price (MSRP)	$2,299	$11,805
Current price	$2478 (1.1x MSRP)	$4544 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 9254 has 76% better value for money than EPYC 9654.

Detailed specifications

EPYC 9254 and EPYC 9654 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)	96
Threads	48	192
Base clock speed	2.9 GHz	2.4 GHz
Boost clock speed	4.15 GHz	3.7 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	128 MB (shared)	384 MB (shared)
Chip lithography	5 nm, 6 nm	5 nm, 6 nm
Die size	4x 72 mm2	12x 72 mm2
Number of transistors	26,280 million	78,840 million
64 bit support	+	+
Unlocked multiplier	No	No

Compatibility

Information on EPYC 9254 and EPYC 9654 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	SP5
Power consumption (TDP)	200 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9254 and EPYC 9654. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9254 and EPYC 9654 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9254 and EPYC 9654. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4800	DDR5-4800
Maximum memory size	6 TiB	6 TiB
Maximum memory bandwidth	460.8 GB/s	460.8 GB/s

Peripherals

Specifications and connection of peripherals supported by EPYC 9254 and EPYC 9654.

PCIe version	5.0	5.0
PCI Express lanes	128	128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

EPYC 9654 outperforms EPYC 9254 by 77% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	44.60	78.98
Physical cores	24	96
Threads	48	192
Cost	$2299	$11805
Power consumption (TDP)	200 Watt	360 Watt

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Should you still have questions on choice between EPYC 9254 and EPYC 9654, ask them in Comments section, and we shall answer.

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