Xeon Gold 6542Y vs Gold 5423N

Primary details

Comparing Xeon Gold 5423N and Xeon Gold 6542Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Architecture codename	Sapphire Rapids (2023−2024)	Emerald Rapids (2023)
Release date	10 January 2023 (1 year ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$2,878

Detailed specifications

Xeon Gold 5423N and Xeon Gold 6542Y 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	20 (Icosa-Core)	24 (Tetracosa-Core)
Threads	40	48
Base clock speed	2.1 GHz	2.9 GHz
Boost clock speed	4 GHz	4.1 GHz
L1 cache	80K (per core)	80 KB (per core)
L2 cache	2 MB (per core)	2 MB (per core)
L3 cache	37.5 MB	60 MB (shared)
Chip lithography	Intel 7 nm	Intel 7 nm
Die size	no data	2x 763 mm2
Maximum case temperature (TCase)	83 °C	83 °C
64 bit support	+	+

Compatibility

Information on Xeon Gold 5423N and Xeon Gold 6542Y 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	1	2
Socket	FCLGA4677	FCLGA4677
Power consumption (TDP)	145 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 5423N and Xeon Gold 6542Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Deep Learning Boost	+	+

Security technologies

Xeon Gold 5423N and Xeon Gold 6542Y technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	Yes with Intel® SPS	Yes with Intel® SPS
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 5423N and Xeon Gold 6542Y are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 5423N and Xeon Gold 6542Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-4000	DDR5-5200
Maximum memory size	4 TB	4 TB
Max memory channels	8	8
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 5423N and Xeon Gold 6542Y.

PCIe version	4	5.0
PCI Express lanes	48	80

Pros & cons summary

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Recency	10 January 2023	14 December 2023
Physical cores	20	24
Threads	40	48
Power consumption (TDP)	145 Watt	250 Watt

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Should you still have questions on choice between Xeon Gold 5423N and Xeon Gold 6542Y, ask them in Comments section, and we shall answer.

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