EPYC 9654 vs Ryzen Threadripper PRO 3945WX

Primary details

Comparing Ryzen Threadripper PRO 3945WX and EPYC 9654 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	225	4
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.72	10.12
Market segment	Server	Server
Series	AMD Ryzen Threadripper	AMD EPYC
Architecture codename	Matisse (2019−2020)	Genoa
Release date	14 July 2020 (3 years ago)	10 November 2022 (1 year ago)
Launch price (MSRP)	no data	$11,805
Current price	$1961	$4544 (0.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 9654 has 16% better value for money than Ryzen Threadripper PRO 3945WX.

Detailed specifications

Ryzen Threadripper PRO 3945WX and EPYC 9654 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	4 GHz	2.4 GHz
Boost clock speed	4.3 GHz	2.4 GHz
L1 cache	768 KB	6 MB
L2 cache	6 MB	96 MB
L3 cache	64 MB	384 MB (shared)
Chip lithography	7 nm, 12 nm	5 nm, 6 nm
Die size	74 mm2	12x 72 mm2
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	15940 Million	78,840 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen Threadripper PRO 3945WX and EPYC 9654 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	TR4	SP5
Power consumption (TDP)	280 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 3945WX and EPYC 9654. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper PRO 3945WX and EPYC 9654 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 3945WX and EPYC 9654. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5-4800
Maximum memory size	2 TiB	6 TiB
Maximum memory bandwidth	204.8 GB/s	460.8 GB/s

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 3945WX and EPYC 9654.

PCIe version	4.0	5.0
PCI Express lanes	128	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 9654 outperforms Ryzen Threadripper PRO 3945WX by 265% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	21.66	78.98
Recency	14 July 2020	10 November 2022
Physical cores	12	96
Threads	24	192
Chip lithography	7 nm	5 nm
Power consumption (TDP)	280 Watt	360 Watt

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Should you still have questions on choice between Ryzen Threadripper PRO 3945WX and EPYC 9654, ask them in Comments section, and we shall answer.

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