Xeon Gold 6423N vs EPYC 7443

General info

Comparing EPYC 7443 and Xeon Gold 6423N processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	84	79
Place by popularity	not in top-100	not in top-100
Value for money	9.35	no data
Market segment	Server	Server
Series	AMD EPYC	no data
Architecture codename	Milan (2021)	no data
Release date	15 March 2021 (3 years ago)	1 July 2023 (less than a year ago)
Launch price (MSRP)	$2,010	no data
Current price	$3528 (1.8x MSRP)	no data

Value for money

Performance per price, higher is better.

Technical specs

EPYC 7443 and Xeon Gold 6423N 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)	28 (Octacosa-Core)
Threads	48	56
Base clock speed	2.85 GHz	2 GHz
Boost clock speed	4 GHz	3.6 GHz
L1 cache	64 KB (per core)	no data
L2 cache	512 KB (per core)	no data
L3 cache	128 MB (shared)	52.5 MB
Chip lithography	7 nm+	Intel 7 nm
Die size	4x 81 mm2	no data
Maximum core temperature	no data	85 °C
Number of transistors	16,600 million	no data
64 bit support	+	-
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on EPYC 7443 and Xeon Gold 6423N 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	no data
Socket	SP3	FCLGA4677
Power consumption (TDP)	200 Watt	195 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7443 and Xeon Gold 6423N. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	no data
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	no data	+
Status	no data	Launched

Security technologies

EPYC 7443 and Xeon Gold 6423N 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 7443 and Xeon Gold 6423N are enumerated here.

AMD-V	+	no data
VT-d	no data	+
VT-x	no data	+
EPT	no data	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7443 and Xeon Gold 6423N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5-4400
Maximum memory size	4 TiB	4 TB
Max memory channels	no data	8
Maximum memory bandwidth	204.795 GB/s	no data
ECC memory support	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 Xeon Gold 6423N.

PCIe version	4.0	4
PCI Express lanes	128	64

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.

Xeon Gold 6423N outperforms EPYC 7443 by 3% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	35.85	36.83
Recency	15 March 2021	1 July 2023
Physical cores	24	28
Threads	48	56
Power consumption (TDP)	200 Watt	195 Watt

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Should you still have questions on choice between EPYC 7443 and Xeon Gold 6423N, ask them in Comments section, and we shall answer.

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