Threadripper PRO 7955WX vs EPYC 7543

Primary details

Comparing EPYC 7543 and Threadripper PRO 7955WX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	77	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.63	no data
Market segment	Server	Desktop processor
Series	AMD EPYC	no data
Power efficiency	16.13	no data
Architecture codename	Milan (2021−2023)	Storm Peak (2023)
Release date	12 January 2021 (3 years ago)	19 October 2023 (1 year ago)
Launch price (MSRP)	$3,761	$1,899

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7543 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	32 (Dotriaconta-Core)	16 (Hexadeca-Core)
Threads	64	32
Base clock speed	2.8 GHz	4.5 GHz
Boost clock speed	3.7 GHz	5.3 GHz
Multiplier	28	no data
L1 cache	2 MB	64 KB (per core)
L2 cache	16 MB	1 MB (per core)
L3 cache	256 MB (shared)	64 MB (shared)
Chip lithography	7 nm+	5 nm
Die size	8x 81 mm2	2x 71 mm2
Number of transistors	33,200 million	13,140 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	-	+

Compatibility

Information on EPYC 7543 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	2	1
Socket	SP3	sTR5
Power consumption (TDP)	225 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7543 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 7543 and Threadripper PRO 7955WX are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7543 and Threadripper PRO 7955WX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5
Maximum memory size	4 TiB	no data
Maximum memory bandwidth	204.795 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7543 and Threadripper PRO 7955WX.

PCIe version	4.0	5.0
PCI Express lanes	128	128

Pros & cons summary

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Recency	12 January 2021	19 October 2023
Physical cores	32	16
Threads	64	32
Chip lithography	7 nm	5 nm
Power consumption (TDP)	225 Watt	350 Watt

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Should you still have questions on choice between EPYC 7543 and Threadripper PRO 7955WX, ask them in Comments section, and we shall answer.

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