Ryzen 9 5950X vs EPYC Embedded 3451

Primary details

Comparing EPYC Embedded 3451 and Ryzen 9 5950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	158
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	26.77
Market segment	Server	Desktop processor
Series	AMD EPYC Embedded	AMD Ryzen 9
Power efficiency	no data	25.88
Architecture codename	Zen (2017−2020)	Vermeer (Zen 3) (2020−2022)
Release date	21 February 2018 (6 years ago)	8 October 2020 (4 years ago)
Launch price (MSRP)	$880	$799

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC Embedded 3451 and Ryzen 9 5950X 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	16 (Hexadeca-Core)	16 (Hexadeca-Core)
Threads	32	32
Base clock speed	2.15 GHz	3.4 GHz
Boost clock speed	3 GHz	4.9 GHz
Multiplier	21.5	34
L1 cache	96K (per core)	1 MB
L2 cache	512K (per core)	8 MB
L3 cache	32 MB (shared)	64 MB
Chip lithography	14 nm	7 nm, 12 nm
Die size	2x 213 mm2	CPU cores: 2x 80.7 sq. mm., I/O: 125 mm2
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	4,800 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on EPYC Embedded 3451 and Ryzen 9 5950X 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 (Uniprocessor)	1
Socket	AMD BGA SP4r2	AM4
Power consumption (TDP)	100 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC Embedded 3451 and Ryzen 9 5950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI	+	+
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC Embedded 3451 and Ryzen 9 5950X are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC Embedded 3451 and Ryzen 9 5950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4
Maximum memory size	1 TiB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	51.196 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by EPYC Embedded 3451 and Ryzen 9 5950X.

PCIe version	3.0	4.0
PCI Express lanes	64	no data

Pros & cons summary

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Recency	21 February 2018	8 October 2020
Chip lithography	14 nm	7 nm
Power consumption (TDP)	100 Watt	105 Watt

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Should you still have questions on choice between EPYC Embedded 3451 and Ryzen 9 5950X, ask them in Comments section, and we shall answer.

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