Ryzen 5 7520C vs Pentium III 866

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Primary details

Comparing Pentium III 866 and Ryzen 5 7520C 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 processorLaptop
Seriesno dataAMD Mendocino (Zen 2, Ryzen 7020)
Architecture codenameCoppermine T (2000)Mendocino (Zen 2) (2022−2023)
Release date20 March 2000 (24 years ago)23 May 2023 (1 year ago)

Detailed specifications

Pentium III 866 and Ryzen 5 7520C 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)4 (Quad-Core)
Threads18
Base clock speedno data2.8 GHz
Boost clock speed0.87 GHz4.3 GHz
L1 cache32 KB256 KB
L2 cache256 KB2 MB
L3 cache0 KB4 MB
Chip lithography180 nm6 nm
Die size106 mm2no data
Maximum case temperature (TCase)80 °Cno data
Number of transistors28 millionno data
64 bit support-+
Windows 11 compatibility-no data

Compatibility

Information on Pentium III 866 and Ryzen 5 7520C 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 configuration2no data
Socket370no data
Power consumption (TDP)27 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium III 866 and Ryzen 5 7520C. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataXFR, FMA3, SSE 4.2, AVX2, SMT

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)AMD Radeon 610M

Pros & cons summary


Recency 20 March 2000 23 May 2023
Physical cores 1 4
Threads 1 8
Chip lithography 180 nm 6 nm
Power consumption (TDP) 27 Watt 15 Watt

Ryzen 5 7520C has an age advantage of 23 years, 300% more physical cores and 700% more threads, a 2900% more advanced lithography process, and 80% lower power consumption.

We couldn't decide between Pentium III 866 and Ryzen 5 7520C. We've got no test results to judge.

Note that Pentium III 866 is a desktop processor while Ryzen 5 7520C is a notebook one.


Should you still have questions on choice between Pentium III 866 and Ryzen 5 7520C, ask them in Comments section, and we shall answer.

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Intel Pentium III  866
Pentium III 866
AMD Ryzen 5 7520C
Ryzen 5 7520C

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Community ratings

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4 31 vote

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Questions & comments

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