EPYC 9354 vs Xeon Platinum 8351N

Primary details

Comparing Xeon Platinum 8351N and EPYC 9354 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	55
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	9.62
Market segment	Server	Server
Series	no data	AMD EPYC
Power efficiency	no data	14.43
Architecture codename	Ice Lake-SP (2021)	Genoa (2022−2023)
Release date	6 April 2021 (3 years ago)	10 November 2022 (2 years ago)
Launch price (MSRP)	no data	$3,420

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8351N and EPYC 9354 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	36	32 (Dotriaconta-Core)
Threads	72	64
Base clock speed	2.4 GHz	3.25 GHz
Boost clock speed	3.5 GHz	3.25 GHz
Multiplier	no data	32.5
L1 cache	64K (per core)	2 MB
L2 cache	1 MB (per core)	32 MB
L3 cache	54 MB (shared)	256 MB (shared)
Chip lithography	10 nm	5 nm, 6 nm
Die size	no data	8x 72 mm2
Maximum case temperature (TCase)	76 °C	no data
Number of transistors	no data	52,560 million
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon Platinum 8351N and EPYC 9354 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	FCLGA4189	SP5
Power consumption (TDP)	225 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8351N and EPYC 9354. 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	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Precision Boost 2	no data	+
Deep Learning Boost	+	-

Security technologies

Xeon Platinum 8351N and EPYC 9354 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
SGX	Yes with Intel® SPS	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8351N and EPYC 9354 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8351N and EPYC 9354. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5-4800
Maximum memory size	6 TB	6 TiB
Max memory channels	8	no data
Maximum memory bandwidth	no data	460.8 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8351N and EPYC 9354.

PCIe version	4.0	5.0
PCI Express lanes	64	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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Pros & cons summary

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Recency	6 April 2021	10 November 2022
Physical cores	36	32
Threads	72	64
Chip lithography	10 nm	5 nm
Power consumption (TDP)	225 Watt	280 Watt

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Should you still have questions on choice between Xeon Platinum 8351N and EPYC 9354, ask them in Comments section, and we shall answer.

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