EPYC 9455 vs i5-2550K

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Primary details

Comparing Core i5-2550K and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1713not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.65no data
Market segmentDesktop processorServer
Power efficiency2.59no data
Architecture codenameSandy Bridge (2011−2013)Turin (2024)
Release dateJanuary 2012 (12 years ago)10 October 2024 (recently)
Launch price (MSRP)$189$5,412

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-2550K 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 speed3.4 GHz3.15 GHz
Boost clock speed3.8 GHz4.4 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)80 KB (per core)
L2 cache256 KB (per core)1 MB (per core)
L3 cache6144 KB (shared)192 MB (shared)
Chip lithography32 nm4 nm
Die size216 mm26x 70.6 mm2
Maximum core temperature73 °Cno data
Number of transistors1160 million49,890 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on Core i5-2550K 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
SocketFCLGA1155,LGA1155SP5
Power consumption (TDP)95 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-2550K and EPYC 9455. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
FDI-no data
Fast Memory Access+no data
Precision Boost 2no data+

Security technologies

Core i5-2550K and EPYC 9455 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-2550K and EPYC 9455 are enumerated here.

AMD-V-+
VT-d-no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-2550K and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A
Quick Sync Video+-

Peripherals

Specifications and connection of peripherals supported by Core i5-2550K and EPYC 9455.

PCIe version2.05.0
PCI Express lanes16128

Pros & cons summary


Physical cores 4 48
Threads 4 96
Chip lithography 32 nm 4 nm
Power consumption (TDP) 95 Watt 300 Watt

i5-2550K has 215.8% lower power consumption.

EPYC 9455, on the other hand, has 1100% more physical cores and 2300% more threads, and a 700% more advanced lithography process.

We couldn't decide between Core i5-2550K and EPYC 9455. We've got no test results to judge.

Note that Core i5-2550K is a desktop processor while EPYC 9455 is a server/workstation one.


Should you still have questions on choice between Core i5-2550K and EPYC 9455, ask them in Comments section, and we shall answer.

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Intel Core i5-2550K
Core i5-2550K
AMD EPYC 9455
EPYC 9455

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