EPYC 7543P vs EPYC 9684X

Primary details

Comparing EPYC 9684X and EPYC 7543P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	4	55
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	13.01
Market segment	Server	Server
Series	no data	AMD EPYC
Power efficiency	17.99	17.66
Architecture codename	Genoa-X (2023)	Milan (2021−2023)
Release date	13 June 2023 (1 year ago)	12 January 2021 (3 years ago)
Launch price (MSRP)	$14,756	$2,730

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 9684X and EPYC 7543P have a nearly equal value for money.

Detailed specifications

EPYC 9684X and EPYC 7543P 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	2.55 GHz	2.8 GHz
Boost clock speed	3.7 GHz	3.7 GHz
Multiplier	no data	28
L1 cache	64 KB (per core)	2 MB
L2 cache	1 MB (per core)	16 MB
L3 cache	1152 MB (shared)	256 MB (shared)
Chip lithography	5 nm	7 nm+
Die size	12x 72 mm2	8x 81 mm2
Number of transistors	135,240 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	no data	+

Compatibility

Information on EPYC 9684X and EPYC 7543P 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	1
Socket	SP5	SP3
Power consumption (TDP)	400 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9684X and EPYC 7543P. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Precision Boost 2	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9684X and EPYC 7543P are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9684X and EPYC 7543P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR4-3200
Maximum memory size	no data	4 TiB
Maximum memory bandwidth	no data	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by EPYC 9684X and EPYC 7543P.

PCIe version	5.0	4.0
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.

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Pros & cons summary

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Performance score	79.08	43.67
Recency	13 June 2023	12 January 2021
Physical cores	96	32
Threads	192	64
Chip lithography	5 nm	7 nm
Power consumption (TDP)	400 Watt	225 Watt

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Should you still have questions on choice between EPYC 9684X and EPYC 7543P, ask them in Comments section, and we shall answer.

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