EPYC 9534 vs EPYC 7643

VS

Aggregate performance score

EPYC 7643
2021
48 cores / 96 threads, 225 Watt
47.88
EPYC 9534
2022
64 cores / 128 threads, 280 Watt
59.10
+23.4%

EPYC 9534 outperforms EPYC 7643 by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing EPYC 7643 and EPYC 9534 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3817
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation6.712.87
Market segmentServerServer
SeriesAMD EPYCAMD EPYC
Power efficiency20.1419.98
Architecture codenameMilan (2021−2023)Genoa (2022−2023)
Release date15 March 2021 (3 years ago)10 November 2022 (2 years ago)
Launch price (MSRP)$4,995$8,803

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7643 has 134% better value for money than EPYC 9534.

Detailed specifications

EPYC 7643 and EPYC 9534 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)64 (Tetrahexaconta-Core)
Threads96128
Base clock speed2.3 GHz2.45 GHz
Boost clock speed3.6 GHz3.7 GHz
Multiplier2324.5
L1 cache64 KB (per core)64K (per core)
L2 cache512 KB (per core)1 MB (per core)
L3 cache256 MB (shared)256 MB (shared)
Chip lithography7 nm+5 nm, 6 nm
Die size8x 81 mm28x 72 mm2
Number of transistors33,200 million52,560 million
64 bit support++
Windows 11 compatibility+no data

Compatibility

Information on EPYC 7643 and EPYC 9534 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 configuration22
SocketSP3SP5
Power consumption (TDP)225 Watt280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7643 and EPYC 9534. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7643 and EPYC 9534 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7643 and EPYC 9534. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-4800
Maximum memory size4 TiB6 TiB
Maximum memory bandwidth204.795 GB/s460.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by EPYC 7643 and EPYC 9534.

PCIe version4.05.0
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. 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 7643 47.88
EPYC 9534 59.10
+23.4%

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.

EPYC 7643 76050
EPYC 9534 93884
+23.5%

Gaming performance

Pros & cons summary


Performance score 47.88 59.10
Recency 15 March 2021 10 November 2022
Physical cores 48 64
Threads 96 128
Chip lithography 7 nm 5 nm
Power consumption (TDP) 225 Watt 280 Watt

EPYC 7643 has 24.4% lower power consumption.

EPYC 9534, on the other hand, has a 23.4% higher aggregate performance score, an age advantage of 1 year, 33.3% more physical cores and 33.3% more threads, and a 40% more advanced lithography process.

The EPYC 9534 is our recommended choice as it beats the EPYC 7643 in performance tests.


Should you still have questions on choice between EPYC 7643 and EPYC 9534, ask them in Comments section, and we shall answer.

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AMD EPYC 7643
EPYC 7643
AMD EPYC 9534
EPYC 9534

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Community ratings

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