EPYC 7551 vs Ryzen Threadripper PRO 5995WX

Primary details

Comparing Ryzen Threadripper PRO 5995WX and EPYC 7551 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	18	399
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	1.27
Market segment	Server	Server
Series	AMD Ryzen Threadripper	AMD EPYC
Power efficiency	19.83	8.59
Architecture codename	Chagall PRO (2022)	Naples (2017−2018)
Release date	8 March 2022 (2 years ago)	20 June 2017 (7 years ago)
Launch price (MSRP)	no data	$3,400

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen Threadripper PRO 5995WX and EPYC 7551 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	64 (Tetrahexaconta-Core)	32 (Dotriaconta-Core)
Threads	128	64
Base clock speed	2.7 GHz	2 GHz
Boost clock speed	4.5 GHz	2 GHz
Multiplier	27	20
L1 cache	4 MB	3 MB
L2 cache	32 MB	16 MB
L3 cache	256 MB	64 MB (shared)
Chip lithography	7 nm	14 nm
Die size	8x 81 mm2	213 mm2
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	33,200 million	19200 Million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	-	+

Compatibility

Information on Ryzen Threadripper PRO 5995WX and EPYC 7551 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 (Multiprocessor)
Socket	WRX8	TR4
Power consumption (TDP)	280 Watt	180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper PRO 5995WX and EPYC 7551. 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 5995WX and EPYC 7551 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper PRO 5995WX and EPYC 7551. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4 Eight-channel
Maximum memory size	2 TiB	2 TiB
Max memory channels	no data	8
Maximum memory bandwidth	204.8 GB/s	170.671 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper PRO 5995WX and EPYC 7551.

PCIe version	4.0	3.0
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.

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Pros & cons summary

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Performance score	60.89	16.96
Recency	8 March 2022	20 June 2017
Physical cores	64	32
Threads	128	64
Chip lithography	7 nm	14 nm
Power consumption (TDP)	280 Watt	180 Watt

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Should you still have questions on choice between Ryzen Threadripper PRO 5995WX and EPYC 7551, ask them in Comments section, and we shall answer.

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