EPYC 7473X vs EPYC 7443

Primary details

Comparing EPYC 7443 and EPYC 7473X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	104	86
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	15.06	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Power efficiency	16.86	14.72
Architecture codename	Milan (2021−2023)	Milan-X (2022)
Release date	12 January 2021 (3 years ago)	22 March 2022 (2 years ago)
Launch price (MSRP)	$2,010	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7443 and EPYC 7473X 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)	24 (Tetracosa-Core)
Threads	48	48
Base clock speed	2.85 GHz	2.8 GHz
Boost clock speed	4 GHz	3.7 GHz
Multiplier	28.5	no data
L1 cache	1536 KB	64K (per core)
L2 cache	12 MB	512K (per core)
L3 cache	128 MB (shared)	768 MB (shared)
Chip lithography	7 nm+	7 nm
Die size	4x 81 mm2	8x 81 mm2
Number of transistors	16,600 million	33,200 million
64 bit support	+	-
Windows 11 compatibility	+	no data

Compatibility

Information on EPYC 7443 and EPYC 7473X 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	SP3	SP3
Power consumption (TDP)	200 Watt	240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7443 and EPYC 7473X. 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 7443 and EPYC 7473X are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7443 and EPYC 7473X. Depending on the motherboard, higher memory frequencies may be supported.

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

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 7443 and EPYC 7473X.

PCIe version	4.0	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	36.31	38.03
Recency	12 January 2021	22 March 2022
Power consumption (TDP)	200 Watt	240 Watt

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Should you still have questions on choice between EPYC 7443 and EPYC 7473X, ask them in Comments section, and we shall answer.

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