Threadripper PRO 7955WX vs EPYC 7401P

Primary details

Comparing EPYC 7401P and Threadripper PRO 7955WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	339	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.64	no data
Market segment	Server	Desktop processor
Series	AMD EPYC	no data
Power efficiency	10.00	no data
Architecture codename	Naples (2017−2018)	Storm Peak (2023)
Release date	29 June 2017 (7 years ago)	19 October 2023 (1 year ago)
Launch price (MSRP)	$1,075	$1,899

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7401P and Threadripper PRO 7955WX 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	5.3 GHz
Multiplier	20	no data
L1 cache	96K (per core)	64 KB (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	2x 71 mm2
Number of transistors	4,800 million	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	+

Compatibility

Information on EPYC 7401P and Threadripper PRO 7955WX 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	TR4	sTR5
Power consumption (TDP)	170 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7401P and Threadripper PRO 7955WX. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7401P and Threadripper PRO 7955WX are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7401P and Threadripper PRO 7955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR5
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	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7401P and Threadripper PRO 7955WX.

PCIe version	3.0	5.0
PCI Express lanes	128	128

Pros & cons summary

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Recency	29 June 2017	19 October 2023
Physical cores	24	16
Threads	48	32
Chip lithography	14 nm	5 nm
Power consumption (TDP)	170 Watt	350 Watt

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Should you still have questions on choice between EPYC 7401P and Threadripper PRO 7955WX, ask them in Comments section, and we shall answer.

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