Mobile Pentium III 400 vs Ryzen 5 8640U

Primary details

Comparing Ryzen 5 8640U and Mobile Pentium III 400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking563not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
Power efficiency44.62no data
Architecture codenameHawk Point-U (Zen 4) (2023)Coppermine (1999−2001)
Release date6 December 2023 (less than a year ago)25 October 1999 (25 years ago)
Launch price (MSRP)no data$348

Detailed specifications

Ryzen 5 8640U and Mobile Pentium III 400 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 cores6 (Hexa-Core)1 (Single-Core)
Threads121
Base clock speed3.5 GHzno data
Boost clock speed4.9 GHz0.4 GHz
L1 cache64 KB (per core)32 KB
L2 cache1 MB (per core)256 KB
L3 cache16 MB (shared)no data
Chip lithography4 nm180 nm
Die size178 mm2106 mm2
Maximum core temperature100 °Cno data
Number of transistors25,000 million28 million
64 bit support+-

Compatibility

Information on Ryzen 5 8640U and Mobile Pentium III 400 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 configuration11
SocketFP8Intel Micro-BGA2
Power consumption (TDP)28 Watt10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 5 8640U and Mobile Pentium III 400. You'll probably need this information if you require some particular technology.

Instruction set extensionsRyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3no data
AES-NI+-
AVX+-
Precision Boost 2+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 5 8640U and Mobile Pentium III 400 are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 5 8640U and Mobile Pentium III 400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 760MOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Ryzen 5 8640U and Mobile Pentium III 400.

PCIe version4.0no data
PCI Express lanes20no data

Pros & cons summary


Recency 6 December 2023 25 October 1999
Physical cores 6 1
Threads 12 1
Chip lithography 4 nm 180 nm
Power consumption (TDP) 28 Watt 10 Watt

Ryzen 5 8640U has an age advantage of 24 years, 500% more physical cores and 1100% more threads, and a 4400% more advanced lithography process.

Mobile Pentium III 400, on the other hand, has 180% lower power consumption.

We couldn't decide between Ryzen 5 8640U and Mobile Pentium III 400. We've got no test results to judge.


Should you still have questions on choice between Ryzen 5 8640U and Mobile Pentium III 400, ask them in Comments section, and we shall answer.

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AMD Ryzen 5 8640U
Ryzen 5 8640U
Intel Mobile Pentium III 400
Mobile Pentium III 400

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