EPYC 9455 vs Athlon II X4 631

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Primary details

Comparing Athlon II X4 631 and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2256not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency1.26no data
Architecture codenameLlano (2011−2012)Turin (2024)
Release date17 August 2011 (13 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$5,412

Detailed specifications

Athlon II X4 631 and EPYC 9455 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 cores4 (Quad-Core)48 (Octatetraconta-Core)
Threads496
Base clock speed2.6 GHz3.15 GHz
Boost clock speed2.6 GHz4.4 GHz
L1 cache128 KB (per core)80 KB (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache0 KB192 MB (shared)
Chip lithography32 nm4 nm
Die size228 mm26x 70.6 mm2
Number of transistors1,178 million49,890 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Athlon II X4 631 and EPYC 9455 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
SocketFM1SP5
Power consumption (TDP)100 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 631 and EPYC 9455. 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 Athlon II X4 631 and EPYC 9455 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 631 and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 631 and EPYC 9455.

PCIe versionno data5.0
PCI Express lanesno data128

Pros & cons summary


Recency 17 August 2011 10 October 2024
Physical cores 4 48
Threads 4 96
Chip lithography 32 nm 4 nm
Power consumption (TDP) 100 Watt 300 Watt

Athlon II X4 631 has 200% lower power consumption.

EPYC 9455, on the other hand, has an age advantage of 13 years, 1100% more physical cores and 2300% more threads, and a 700% more advanced lithography process.

We couldn't decide between Athlon II X4 631 and EPYC 9455. We've got no test results to judge.

Note that Athlon II X4 631 is a desktop processor while EPYC 9455 is a server/workstation one.


Should you still have questions on choice between Athlon II X4 631 and EPYC 9455, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 631
Athlon II X4 631
AMD EPYC 9455
EPYC 9455

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