EPYC 9645 vs A4-9120C

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Primary details

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

Place in the ranking2833not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesAMD Bristol Ridgeno data
Power efficiency8.51no data
Architecture codenameStoney Ridge (2016−2019)Turin (2024)
Release date6 January 2019 (5 years ago)10 October 2024 (recently)
Launch price (MSRP)no data$11,048

Detailed specifications

A4-9120C 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 speedno data2.3 GHz
Boost clock speed1.6 GHz3.7 GHz
Multiplier16no data
L1 cache160 KB80 KB (per core)
L2 cache1 MB1 MB (per core)
L3 cacheno data256 MB (shared)
Chip lithography28 nm3 nm
Die size124.5 mm2no data
Number of transistors1200 Millionno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on A4-9120C 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 configurationno data2
SocketBGASP5
Power consumption (TDP)6 Watt320 Watt

Technologies and extensions

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

Instruction set extensionsVirtualization,no data
AES-NI++
AVX++
Precision Boost 2no data+

Virtualization technologies

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

AMD-V++

Memory specs

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

Supported memory typesDDR4DDR5
Maximum memory bandwidth14.936 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon R4 (Stoney Ridge)N/A

Peripherals

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

PCIe versionno data5.0
PCI Express lanesno data128

Pros & cons summary


Recency 6 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

A4-9120C 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 A4-9120C and EPYC 9645. We've got no test results to judge.

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


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

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AMD A4-9120C
A4-9120C
AMD EPYC 9645
EPYC 9645

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Community ratings

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