EPYC 9555P vs Phenom II X3 P840

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Primary details

Comparing Phenom II X3 P840 and EPYC 9555P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2598not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
Series3x AMD Phenom IIno data
Power efficiency3.10no 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$7,983

Detailed specifications

Phenom II X3 P840 and EPYC 9555P 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 cores3 (Tri-Core)64 (Tetrahexaconta-Core)
Threads3128
Base clock speedno data3.2 GHz
Boost clock speed1.9 GHz4.4 GHz
Bus rate3600 MHzno data
L1 cache384 KB80 KB (per core)
L2 cache1.5 MB1 MB (per core)
L3 cacheno data256 MB (shared)
Chip lithography45 nm4 nm
Die sizeno data8x 70.6 mm2
Number of transistorsno data66,520 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Phenom II X3 P840 and EPYC 9555P 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 data1
SocketS1SP5
Power consumption (TDP)25 Watt360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X3 P840 and EPYC 9555P. You'll probably need this information if you require some particular technology.

Instruction set extensionsVirtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a)no data
AES-NI-+
AVX-+
VirusProtect+-
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X3 P840 and EPYC 9555P are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P840 and EPYC 9555P. 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 Phenom II X3 P840 and EPYC 9555P.

PCIe versionno data5.0
PCI Express lanesno data128

Pros & cons summary


Recency 4 October 2010 10 October 2024
Physical cores 3 64
Threads 3 128
Chip lithography 45 nm 4 nm
Power consumption (TDP) 25 Watt 360 Watt

Phenom II X3 P840 has 1340% lower power consumption.

EPYC 9555P, on the other hand, has an age advantage of 14 years, 2033.3% more physical cores and 4166.7% more threads, and a 1025% more advanced lithography process.

We couldn't decide between Phenom II X3 P840 and EPYC 9555P. We've got no test results to judge.

Be aware that Phenom II X3 P840 is a notebook processor while EPYC 9555P is a server/workstation one.


Should you still have questions on choice between Phenom II X3 P840 and EPYC 9555P, ask them in Comments section, and we shall answer.

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AMD Phenom II X3 P840
Phenom II X3 P840
AMD EPYC 9555P
EPYC 9555P

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Community ratings

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4.4 21 vote

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