EPYC 7453 vs Pentium III 866

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Primary details

Comparing Pentium III 866 and EPYC 7453 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated129
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data17.24
Market segmentDesktop processorServer
Seriesno dataAMD EPYC
Power efficiencyno data13.38
Architecture codenameCoppermine T (2000)Milan (2021−2023)
Release date20 March 2000 (24 years ago)15 March 2021 (3 years ago)
Launch price (MSRP)no data$1,570

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium III 866 and EPYC 7453 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 cores1 (Single-Core)28 (Octacosa-Core)
Threads156
Base clock speedno data2.75 GHz
Boost clock speed0.87 GHz3.45 GHz
Multiplierno data27.5
L1 cache32 KB64 KB (per core)
L2 cache256 KB512 KB (per core)
L3 cache0 KB64 MB (shared)
Chip lithography180 nm7 nm+
Die size106 mm24x 81 mm2
Maximum case temperature (TCase)80 °Cno data
Number of transistors28 million16,600 million
64 bit support-+
Windows 11 compatibility-+

Compatibility

Information on Pentium III 866 and EPYC 7453 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 configuration22
Socket370SP3
Power consumption (TDP)27 Watt225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium III 866 and EPYC 7453. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium III 866 and EPYC 7453 are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium III 866 and EPYC 7453. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4-3200
Maximum memory sizeno data4 TiB
Maximum memory bandwidthno data204.795 GB/s

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 Pentium III 866 and EPYC 7453.

PCIe versionno data4.0
PCI Express lanesno data128

Pros & cons summary


Recency 20 March 2000 15 March 2021
Physical cores 1 28
Threads 1 56
Chip lithography 180 nm 7 nm
Power consumption (TDP) 27 Watt 225 Watt

Pentium III 866 has 733.3% lower power consumption.

EPYC 7453, on the other hand, has an age advantage of 20 years, 2700% more physical cores and 5500% more threads, and a 2471.4% more advanced lithography process.

We couldn't decide between Pentium III 866 and EPYC 7453. We've got no test results to judge.

Note that Pentium III 866 is a desktop processor while EPYC 7453 is a server/workstation one.


Should you still have questions on choice between Pentium III 866 and EPYC 7453, ask them in Comments section, and we shall answer.

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Intel Pentium III  866
Pentium III 866
AMD EPYC 7453
EPYC 7453

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