EPYC 9655 vs Athlon II P340

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Primary details

Comparing Athlon II P340 and EPYC 9655 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2950not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
SeriesAMD Athlon IIno data
Power efficiency1.70no data
Architecture codenameChamplain (2010−2011)Turin (2024)
Release date4 October 2010 (14 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$11,852

Detailed specifications

Athlon II P340 and EPYC 9655 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 data2.6 GHz
Boost clock speed2.2 GHz4.5 GHz
Bus rate3200 MHzno data
L1 cache256 KB80 KB (per core)
L2 cache1 MB1 MB (per core)
L3 cacheno data384 MB (shared)
Chip lithography45 nm4 nm
Die sizeno data12x 70.6 mm2
Number of transistorsno data99,780 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Athlon II P340 and EPYC 9655 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
SocketS1g4SP5
Power consumption (TDP)25 Watt400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II P340 and EPYC 9655. You'll probably need this information if you require some particular technology.

Instruction set extensionsSSE-3, SSE4A, 3DNow!, MMX, DEP, SVMno data
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II P340 and EPYC 9655 are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II P340 and EPYC 9655. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Athlon II P340 and EPYC 9655.

PCIe versionno data5.0
PCI Express lanesno data128

Pros & cons summary


Recency 4 October 2010 10 October 2024
Physical cores 2 96
Threads 2 192
Chip lithography 45 nm 4 nm
Power consumption (TDP) 25 Watt 400 Watt

Athlon II P340 has 1500% lower power consumption.

EPYC 9655, on the other hand, has an age advantage of 14 years, 4700% more physical cores and 9500% more threads, and a 1025% more advanced lithography process.

We couldn't decide between Athlon II P340 and EPYC 9655. We've got no test results to judge.

Be aware that Athlon II P340 is a notebook processor while EPYC 9655 is a server/workstation one.


Should you still have questions on choice between Athlon II P340 and EPYC 9655, ask them in Comments section, and we shall answer.

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AMD Athlon II P340
Athlon II P340
AMD EPYC 9655
EPYC 9655

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4 76 votes

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3.1 16 votes

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Questions & comments

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