EPYC 9454 vs Ryzen 9 7950X

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Aggregate performance score

Ryzen 9 7950X
2022
16 cores / 32 threads, 170 Watt
39.46
EPYC 9454
2022
48 cores / 96 threads, 290 Watt
53.56
+35.7%

EPYC 9454 outperforms Ryzen 9 7950X by a substantial 36% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 9 7950X and EPYC 9454 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking6723
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data7.01
Market segmentDesktop processorServer
Seriesno dataAMD EPYC
Power efficiency21.9717.48
Architecture codenameRaphael (Zen 4) (2022)Genoa (2022−2023)
Release date27 September 2022 (2 years ago)10 November 2022 (2 years ago)
Launch price (MSRP)no data$5,225

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 9 7950X and EPYC 9454 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 cores16 (Hexadeca-Core)48 (Octatetraconta-Core)
Threads3296
Base clock speed4.5 GHz2.75 GHz
Boost clock speed5.7 GHz2.75 GHz
Multiplierno data27.5
L1 cache64K (per core)3 MB
L2 cache1 MB (per core)48 MB
L3 cache64 MB (shared)256 MB (shared)
Chip lithography5 nm5 nm, 6 nm
Die sizeCCD = 2x 70 sq. mm, I/O = 122 mm28x 72 mm2
Maximum core temperature95 °Cno data
Maximum case temperature (TCase)47 °Cno data
Number of transistors13140 Million52,560 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 9 7950X and EPYC 9454 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 configuration12
SocketAM5SP5
Power consumption (TDP)170 Watt290 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7950X and EPYC 9454. You'll probably need this information if you require some particular technology.

Instruction set extensionsCCD = 5 nm, I/O = 6 nm, 0.650 - 1.475 Vno data
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7950X and EPYC 9454 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7950X and EPYC 9454. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5200DDR5-4800
Maximum memory sizeno data6 TiB
Maximum memory bandwidthno data460.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon Graphics (Ryzen 7000) (400 - 2200 MHz)no data

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7950X and EPYC 9454.

PCIe version5.05.0
PCI Express lanes24128

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


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.

Ryzen 9 7950X 39.46
EPYC 9454 53.56
+35.7%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen 9 7950X 62681
EPYC 9454 85080
+35.7%

Gaming performance

Pros & cons summary


Performance score 39.46 53.56
Recency 27 September 2022 10 November 2022
Physical cores 16 48
Threads 32 96
Power consumption (TDP) 170 Watt 290 Watt

Ryzen 9 7950X has 70.6% lower power consumption.

EPYC 9454, on the other hand, has a 35.7% higher aggregate performance score, an age advantage of 1 month, and 200% more physical cores and 200% more threads.

The EPYC 9454 is our recommended choice as it beats the Ryzen 9 7950X in performance tests.

Note that Ryzen 9 7950X is a desktop processor while EPYC 9454 is a server/workstation one.


Should you still have questions on choice between Ryzen 9 7950X and EPYC 9454, ask them in Comments section, and we shall answer.

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AMD Ryzen 9 7950X
Ryzen 9 7950X
AMD EPYC 9454
EPYC 9454

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Community ratings

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