EPYC 9455 vs Pentium 1403

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Primary details

Comparing Pentium 1403 and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2371not rated
Place by popularitynot in top-100not in top-100
Market segmentServerServer
Power efficiency1.38no data
Architecture codenameno dataTurin (2024)
Release date1 April 2012 (12 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$5,412

Detailed specifications

Pentium 1403 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 cores2 (Dual-core)48 (Octatetraconta-Core)
Threads296
Base clock speed2.6 GHz3.15 GHz
Boost clock speedno data4.4 GHz
Bus rate0 GT/sno data
L1 cacheno data80 KB (per core)
L2 cacheno data1 MB (per core)
L3 cache5 MB192 MB (shared)
Chip lithography32 nm4 nm
Die sizeno data6x 70.6 mm2
Number of transistorsno data49,890 million
64 bit support++
Windows 11 compatibility-no data
VID voltage range0.6V-1.35Vno data

Compatibility

Information on Pentium 1403 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
Socketno dataSP5
Power consumption (TDP)80 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 1403 and EPYC 9455. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI++
AVX-+
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching+no data
Precision Boost 2no data+

Security technologies

Pentium 1403 and EPYC 9455 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 1403 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 Pentium 1403 and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-800, DDR3-1066DDR5
Maximum memory size375 GBno data
Max memory channels3no data
Maximum memory bandwidth25 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Pentium 1403 and EPYC 9455.

PCIe version3.05.0
PCI Express lanes24128

Pros & cons summary


Recency 1 April 2012 10 October 2024
Physical cores 2 48
Threads 2 96
Chip lithography 32 nm 4 nm
Power consumption (TDP) 80 Watt 300 Watt

Pentium 1403 has 275% lower power consumption.

EPYC 9455, on the other hand, has an age advantage of 12 years, 2300% more physical cores and 4700% more threads, and a 700% more advanced lithography process.

We couldn't decide between Pentium 1403 and EPYC 9455. We've got no test results to judge.


Should you still have questions on choice between Pentium 1403 and EPYC 9455, ask them in Comments section, and we shall answer.

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Intel Pentium 1403
Pentium 1403
AMD EPYC 9455
EPYC 9455

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