EPYC 9454P vs EPYC 7451

Primary details

Comparing EPYC 7451 and EPYC 9454P processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	358	12
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.08	no data
Market segment	Server	Server
Series	AMD EPYC	AMD EPYC
Architecture codename	Naples (2017−2018)	Genoa
Release date	29 June 2017 (7 years ago)	10 November 2022 (1 year ago)
Launch price (MSRP)	$2,400	$4,598
Current price	$2768 (1.2x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7451 and EPYC 9454P 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)	48 (Octatetraconta-Core)
Threads	48	96
Base clock speed	2.3 GHz	2.75 GHz
Boost clock speed	3.2 GHz	3.8 GHz
L1 cache	96K (per core)	64K (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	64 MB (shared)	256 MB (shared)
Chip lithography	14 nm	5 nm, 6 nm
Die size	192 mm2	8x 72 mm2
Number of transistors	4,800 million	52,560 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	Yes	No

Compatibility

Information on EPYC 7451 and EPYC 9454P 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 (Multiprocessor)	1
Socket	TR4	SP5
Power consumption (TDP)	180 Watt	290 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7451 and EPYC 9454P. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7451 and EPYC 9454P are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7451 and EPYC 9454P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Eight-channel	DDR5-4800
Maximum memory size	2 TiB	6 TiB
Max memory channels	8	no data
Maximum memory bandwidth	170.671 GB/s	460.8 GB/s
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by EPYC 7451 and EPYC 9454P.

PCIe version	3.0	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 9454P outperforms EPYC 7451 by 272% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	16.72	62.15
Recency	29 June 2017	10 November 2022
Physical cores	24	48
Threads	48	96
Cost	$2400	$4598
Chip lithography	14 nm	5 nm
Power consumption (TDP)	180 Watt	290 Watt

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Should you still have questions on choice between EPYC 7451 and EPYC 9454P, ask them in Comments section, and we shall answer.

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