Ryzen 9 7950X vs EPYC 7401

Primary details

Comparing EPYC 7401 and Ryzen 9 7950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	86	57
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	15.60	55.59
Market segment	Server	Desktop processor
Series	AMD EPYC	no data
Architecture codename	Naples (2017−2018)	Raphael (Zen 4)
Release date	29 June 2017 (6 years ago)	27 September 2022 (1 year ago)
Launch price (MSRP)	$1,850	no data
Current price	$1477 (0.8x MSRP)	$821

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 7950X has 256% better value for money than EPYC 7401.

Detailed specifications

EPYC 7401 and Ryzen 9 7950X 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)	16 (Hexadeca-Core)
Threads	48	32
Base clock speed	2 GHz	4.5 GHz
Boost clock speed	3 GHz	5.7 GHz
L1 cache	96K (per core)	64K (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	64 MB (shared)	64 MB (shared)
Chip lithography	14 nm	5 nm
Die size	192 mm2	CCD = 2x 70 sq. mm, I/O = 122 mm2
Maximum core temperature	no data	95 °C
Maximum case temperature (TCase)	no data	47 °C
Number of transistors	4,800 million	13140 Million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on EPYC 7401 and Ryzen 9 7950X 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 (Multiprocessor)	1
Socket	TR4	AM5
Power consumption (TDP)	170 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7401 and Ryzen 9 7950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	CCD = 5 nm, I/O = 6 nm, 0.650 - 1.475 V
AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7401 and Ryzen 9 7950X are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7401 and Ryzen 9 7950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR5-5200
Maximum memory size	2 TiB	no data
Max memory channels	8	no data
Maximum memory bandwidth	170.671 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon Graphics (Ryzen 7000)

Peripherals

Specifications and connection of peripherals supported by EPYC 7401 and Ryzen 9 7950X.

PCIe version	3.0	5.0
PCI Express lanes	128	24

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.

Ryzen 9 7950X outperforms EPYC 7401 by 14% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	35.74	40.66
Recency	29 June 2017	27 September 2022
Physical cores	24	16
Threads	48	32
Chip lithography	14 nm	5 nm

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Should you still have questions on choice between EPYC 7401 and Ryzen 9 7950X, ask them in Comments section, and we shall answer.

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