Ryzen 9 3950X vs EPYC 9684X

Primary details

Comparing EPYC 9684X and Ryzen 9 3950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	5	205
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	16.76
Market segment	Server	Desktop processor
Series	no data	AMD Ryzen 9
Power efficiency	17.99	21.98
Architecture codename	Genoa-X (2023)	Matisse (Zen 2) (2019−2020)
Release date	13 June 2023 (1 year ago)	11 June 2019 (5 years ago)
Launch price (MSRP)	$14,756	$799

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 9684X and Ryzen 9 3950X have a nearly equal value for money.

Detailed specifications

EPYC 9684X and Ryzen 9 3950X 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	96	16 (Hexadeca-Core)
Threads	192	32
Base clock speed	2.55 GHz	3.5 GHz
Boost clock speed	3.7 GHz	4.7 GHz
L1 cache	64 KB (per core)	1 MB
L2 cache	1 MB (per core)	8 MB
L3 cache	1152 MB (shared)	64 MB
Chip lithography	5 nm	7 nm, 12 nm
Die size	12x 72 mm2	2 x 72 mm + 125 mm (IO-Die) mm2
Number of transistors	135,240 million	19,200 million
64 bit support	+	+
Windows 11 compatibility	no data	+
Unlocked multiplier	-	+

Compatibility

Information on EPYC 9684X and Ryzen 9 3950X 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	1 (Uniprocessor)
Socket	SP5	AM4
Power consumption (TDP)	400 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9684X and Ryzen 9 3950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI	+	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9684X and Ryzen 9 3950X are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9684X and Ryzen 9 3950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5	DDR4 Dual-channel
Maximum memory size	no data	128 GB
Maximum memory bandwidth	no data	51.196 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

-

Peripherals

Specifications and connection of peripherals supported by EPYC 9684X and Ryzen 9 3950X.

PCIe version	5.0	no data
PCI Express lanes	128	no data

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.

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Pros & cons summary

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Performance score	76.02	24.39
Recency	13 June 2023	11 June 2019
Physical cores	96	16
Threads	192	32
Chip lithography	5 nm	7 nm
Power consumption (TDP)	400 Watt	105 Watt

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Should you still have questions on choice between EPYC 9684X and Ryzen 9 3950X, ask them in Comments section, and we shall answer.

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