EPYC 9825 vs EPYC 7643P

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Primary details

Comparing EPYC 7643P and EPYC 9825 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking48not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation13.46no data
Market segmentServerServer
Power efficiency18.18no data
Architecture codenameMilan (2021−2023)Turin (2024)
Release date5 September 2023 (1 year ago)10 October 2024 (recently)
Launch price (MSRP)$2,722$13,006

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

EPYC 7643P and EPYC 9825 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)144
Threads96288
Base clock speed2.3 GHz2.2 GHz
Boost clock speed3.6 GHz3.7 GHz
L1 cache64 KB (per core)80 KB (per core)
L2 cache512 KB (per core)1 MB (per core)
L3 cache256 MB (shared)384 MB (shared)
Chip lithography7 nm3 nm
Die size8x 81 mm2no data
Number of transistors33,200 millionno data
64 bit support-+

Compatibility

Information on EPYC 7643P and EPYC 9825 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
SocketSP3SP5
Power consumption (TDP)225 Watt390 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7643P and EPYC 9825. 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 7643P and EPYC 9825 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7643P and EPYC 9825. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AN/A

Peripherals

Specifications and connection of peripherals supported by EPYC 7643P and EPYC 9825.

PCIe version4.05.0
PCI Express lanes128128

Pros & cons summary


Recency 5 September 2023 10 October 2024
Physical cores 48 144
Threads 96 288
Chip lithography 7 nm 3 nm
Power consumption (TDP) 225 Watt 390 Watt

EPYC 7643P has 73.3% lower power consumption.

EPYC 9825, on the other hand, has an age advantage of 1 year, 200% more physical cores and 200% more threads, and a 133.3% more advanced lithography process.

We couldn't decide between EPYC 7643P and EPYC 9825. We've got no test results to judge.


Should you still have questions on choice between EPYC 7643P and EPYC 9825, ask them in Comments section, and we shall answer.

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AMD EPYC 7643P
EPYC 7643P
AMD EPYC 9825
EPYC 9825

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