EPYC 9555 vs Phenom II X2 550 BE

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Primary details

Comparing Phenom II X2 550 BE and EPYC 9555 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 segmentDesktop processorServer
Architecture codenameCallisto (2009−2010)Turin (2024)
Release date1 June 2009 (15 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$9,826

Detailed specifications

Phenom II X2 550 BE and EPYC 9555 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)64 (Tetrahexaconta-Core)
Threads2128
Base clock speed3.1 GHz3.2 GHz
Boost clock speed3.1 GHz4.4 GHz
L1 cache128 KB (per core)80 KB (per core)
L2 cache512 KB (per core)1 MB (per core)
L3 cache6 MB (shared)256 MB (shared)
Chip lithography45 nm4 nm
Die size258 mm28x 70.6 mm2
Number of transistors758 million66,520 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on Phenom II X2 550 BE and EPYC 9555 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
SocketAM3SP5
Power consumption (TDP)80 Watt360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X2 550 BE and EPYC 9555. 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 Phenom II X2 550 BE and EPYC 9555 are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X2 550 BE and EPYC 9555. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)N/A

Peripherals

Specifications and connection of peripherals supported by Phenom II X2 550 BE and EPYC 9555.

PCIe version2.05.0
PCI Express lanesno data128

Pros & cons summary


Recency 1 June 2009 10 October 2024
Physical cores 2 64
Threads 2 128
Chip lithography 45 nm 4 nm
Power consumption (TDP) 80 Watt 360 Watt

Phenom II X2 550 BE has 350% lower power consumption.

EPYC 9555, on the other hand, has an age advantage of 15 years, 3100% more physical cores and 6300% more threads, and a 1025% more advanced lithography process.

We couldn't decide between Phenom II X2 550 BE and EPYC 9555. We've got no test results to judge.

Note that Phenom II X2 550 BE is a desktop processor while EPYC 9555 is a server/workstation one.


Should you still have questions on choice between Phenom II X2 550 BE and EPYC 9555, ask them in Comments section, and we shall answer.

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AMD Phenom II X2 550 BE
Phenom II X2 550 BE
AMD EPYC 9555
EPYC 9555

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Community ratings

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