Ryzen 5 PRO 7640U vs Pentium 4 HT 521

Primary details

Comparing Pentium 4 HT 521 and Ryzen 5 PRO 7640U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated553
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataAMD Phoenix (Zen 4, Ryzen 7040)
Power efficiencyno data84.54
Architecture codenamePrescott (2001−2005)Phoenix (Zen4) (2023)
Release dateJune 2005 (19 years ago)23 May 2023 (1 year ago)

Detailed specifications

Pentium 4 HT 521 and Ryzen 5 PRO 7640U 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)6 (Hexa-Core)
Threads212
Base clock speedno data3.5 GHz
Boost clock speed2.8 GHz4.9 GHz
L1 cache16 KB384 KB
L2 cache1 MB6 MB
L3 cache0 KB16 MB
Chip lithography90 nm4 nm
Die size109 mm2178 mm2
Maximum core temperatureno data100 °C
Number of transistors125 millionno data
64 bit support-+
Windows 11 compatibility-+

Compatibility

Information on Pentium 4 HT 521 and Ryzen 5 PRO 7640U 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 configuration1no data
Socket775no data
Power consumption (TDP)84 Watt15 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4 HT 521 and Ryzen 5 PRO 7640U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 760M

Pros & cons summary


Physical cores 1 6
Threads 2 12
Chip lithography 90 nm 4 nm
Power consumption (TDP) 84 Watt 15 Watt

Ryzen 5 PRO 7640U has 500% more physical cores and 500% more threads, a 2150% more advanced lithography process, and 460% lower power consumption.

We couldn't decide between Pentium 4 HT 521 and Ryzen 5 PRO 7640U. We've got no test results to judge.

Note that Pentium 4 HT 521 is a desktop processor while Ryzen 5 PRO 7640U is a notebook one.


Should you still have questions on choice between Pentium 4 HT 521 and Ryzen 5 PRO 7640U, ask them in Comments section, and we shall answer.

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Intel Pentium 4 HT 521
Pentium 4 HT 521
AMD Ryzen 5 PRO 7640U
Ryzen 5 PRO 7640U

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Community ratings

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3.4 5 votes

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5 2 votes

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