EPYC 9654P vs Ryzen 9 3900

Primary details

Comparing Ryzen 9 3900 and EPYC 9654P processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	258	5
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	31.89	6.98
Market segment	Desktop processor	Server
Series	AMD Matisse (Ryzen 3000 Desktop)	AMD EPYC
Architecture codename	Matisse (Zen 2) (2019−2020)	Genoa
Release date	24 September 2019 (4 years ago)	10 November 2022 (1 year ago)
Launch price (MSRP)	no data	$10,625
Current price	$403	$5987 (0.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 3900 has 357% better value for money than EPYC 9654P.

Detailed specifications

Ryzen 9 3900 and EPYC 9654P 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	12 (Dodeca-Core)	96
Threads	24	192
Base clock speed	3.1 GHz	2.4 GHz
Boost clock speed	4.3 GHz	3.7 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	512 KB (per core)	1 MB (per core)
L3 cache	64 MB	384 MB (shared)
Chip lithography	7 nm	5 nm, 6 nm
Die size	2x 74 mm2	12x 72 mm2
Number of transistors	7,600 million	78,840 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 9 3900 and EPYC 9654P 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	AM4	SP5
Power consumption (TDP)	65 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3900 and EPYC 9654P. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3900 and EPYC 9654P are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and EPYC 9654P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5-4800
Maximum memory size	128 GB	6 TiB
Max memory channels	2	no data
Maximum memory bandwidth	51.196 GB/s	460.8 GB/s
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3900 and EPYC 9654P.

PCIe version	4.0	5.0
PCI Express lanes	24	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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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.

EPYC 9654P outperforms Ryzen 9 3900 by 270% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	19.93	73.67
Recency	24 September 2019	10 November 2022
Physical cores	12	96
Threads	24	192
Chip lithography	7 nm	5 nm
Power consumption (TDP)	65 Watt	360 Watt

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Should you still have questions on choice between Ryzen 9 3900 and EPYC 9654P, ask them in Comments section, and we shall answer.

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