EPYC 9645 vs A4-9120e SoC

A4-9120 A4-9120C A4-9120e SoC A4-9125 SoC A6-9200 SoC A6-9210 A6-9220 A6-9220C A6-9220e A6-9225 A9-9410 A9-9420 A9-9420e A9-9425 E2-9000 E2-9010
VS
EPYC 9645 EPYC 9654 EPYC 9655P EPYC 9684X

Contents

A4-9120e SoC A4-9120e SoC
EPYC 9645 EPYC 9645

Primary details

Comparing A4-9120e SoC and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
Architecture codenameStoney Ridge (2016−2019)Turin (2024)
Release date7 January 2019 (5 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$11,048

Detailed specifications

A4-9120e SoC and EPYC 9645 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 cores2 (Dual-core)96
Threads2192
Base clock speed1.5 GHz2.3 GHz
Boost clock speed2.2 GHz3.7 GHz
L1 cache160 KB80 KB (per core)
L2 cache1 MB (shared)1 MB (per core)
L3 cacheno data256 MB (shared)
Chip lithography28 nm3 nm
Die size125 mm2no data
Number of transistors1,200 millionno data
64 bit support++

Compatibility

Information on A4-9120e SoC and EPYC 9645 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
SocketFT4SP5
Power consumption (TDP)6 Watt320 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A4-9120e SoC and EPYC 9645. You'll probably need this information if you require some particular technology.

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

Virtualization technologies

Virtual machine speed-up technologies supported by A4-9120e SoC and EPYC 9645 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by A4-9120e SoC and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardRadeon R3 2CUN/A

Peripherals

Specifications and connection of peripherals supported by A4-9120e SoC and EPYC 9645.

PCIe version3.05.0
PCI Express lanes8128

Pros & cons summary

Recency 7 January 2019 10 October 2024
Physical cores 2 96
Threads 2 192
Chip lithography 28 nm 3 nm
Power consumption (TDP) 6 Watt 320 Watt

A4-9120e SoC has 5233.3% lower power consumption.

EPYC 9645, on the other hand, has an age advantage of 5 years, 4700% more physical cores and 9500% more threads, and a 833.3% more advanced lithography process.

We couldn't decide between A4-9120e SoC and EPYC 9645. We've got no test results to judge.

Be aware that A4-9120e SoC is a notebook processor while EPYC 9645 is a server/workstation one.

Should you still have questions on choice between A4-9120e SoC and EPYC 9645, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

AMD A4-9120e SoC
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AMD EPYC 9645
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Community ratings

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Questions & comments

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