EPYC 7643P vs EPYC 9454P

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Aggregate performance score

EPYC 9454P
2022
48 cores / 96 threads, 290 Watt
53.64
+22.4%

EPYC 9454P outperforms EPYC 7643P by a significant 22% based on our aggregate benchmark results.

Primary details

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

Place in the ranking3657
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation10.1316.55
Market segmentServerServer
SeriesAMD EPYCno data
Power efficiency7.848.26
DesignerAMDAMD
ManufacturerTSMCTSMC
Architecture codenameGenoa (2022−2023)Milan (2021−2023)
Release date10 November 2022 (2 years ago)5 September 2023 (1 year ago)
Launch price (MSRP)$4,598$2,722

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7643P has 63% better value for money than EPYC 9454P.

Performance to price scatter graph

Detailed specifications

EPYC 9454P and EPYC 7643P 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 cores48 (Octatetraconta-Core)48 (Octatetraconta-Core)
Threads9696
Base clock speed2.75 GHz2.3 GHz
Boost clock speed3.8 GHz3.6 GHz
Multiplier27.5no data
L1 cache64K (per core)64 KB (per core)
L2 cache1 MB (per core)512 KB (per core)
L3 cache256 MB (shared)256 MB (shared)
Chip lithography5 nm, 6 nm7 nm
Die size8x 72 mm28x 81 mm2
Number of transistors52,560 million33,200 million
64 bit support+-

Compatibility

Information on EPYC 9454P and EPYC 7643P 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 configuration11
SocketSP5SP3
Power consumption (TDP)290 Watt225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 9454P and EPYC 7643P. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 9454P and EPYC 7643P are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 9454P and EPYC 7643P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800DDR4
Maximum memory size6 TiBno data
Maximum memory bandwidth460.8 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 9454P and EPYC 7643P.

PCIe version5.04.0
PCI Express lanes128128

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.

EPYC 9454P 53.64
+22.4%
EPYC 7643P 43.82

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. Other than that, Passmark measures multi-core performance.

EPYC 9454P 94623
+22.4%
EPYC 7643P 77307

Gaming performance

Pros & cons summary


Performance score 53.64 43.82
Recency 10 November 2022 5 September 2023
Chip lithography 5 nm 7 nm
Power consumption (TDP) 290 Watt 225 Watt

EPYC 9454P has a 22.4% higher aggregate performance score, and a 40% more advanced lithography process.

EPYC 7643P, on the other hand, has an age advantage of 9 months, and 28.9% lower power consumption.

The AMD EPYC 9454P is our recommended choice as it beats the AMD EPYC 7643P in performance tests.

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AMD EPYC 9454P
EPYC 9454P
AMD EPYC 7643P
EPYC 7643P

Other comparisons

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Community ratings

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