Ryzen 5 PRO 8640HS vs Pentium III 1400

Primary details

Comparing Pentium III 1400 and Ryzen 5 PRO 8640HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated527
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiencyno data46.90
Architecture codenameTualatin (2000−2002)Hawk Point (2024)
Release dateDecember 2001 (22 years ago)16 April 2024 (less than a year ago)

Detailed specifications

Pentium III 1400 and Ryzen 5 PRO 8640HS 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)
Threads112
Base clock speedno data3.5 GHz
Boost clock speed1.4 GHz4.9 GHz
L1 cache8 KB64 KB (per core)
L2 cache256 KB1 MB (per core)
L3 cache0 KB16 MB (shared)
Chip lithography130 nm4 nm
Die size80 mm2178 mm2
Maximum case temperature (TCase)69 °Cno data
Number of transistors44 million25,000 million
64 bit support-+
Windows 11 compatibility-no data

Compatibility

Information on Pentium III 1400 and Ryzen 5 PRO 8640HS 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
Socket370FP7
Power consumption (TDP)31 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium III 1400 and Ryzen 5 PRO 8640HS. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium III 1400 and Ryzen 5 PRO 8640HS are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium III 1400 and Ryzen 5 PRO 8640HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by Pentium III 1400 and Ryzen 5 PRO 8640HS.

PCIe versionno data4.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.



Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium III 1400 193
Ryzen 5 PRO 8640HS 22041
+11320%

Pros & cons summary


Physical cores 1 6
Threads 1 12
Chip lithography 130 nm 4 nm
Power consumption (TDP) 31 Watt 28 Watt

Ryzen 5 PRO 8640HS has 500% more physical cores and 1100% more threads, a 3150% more advanced lithography process, and 10.7% lower power consumption.

We couldn't decide between Pentium III 1400 and Ryzen 5 PRO 8640HS. We've got no test results to judge.

Note that Pentium III 1400 is a desktop processor while Ryzen 5 PRO 8640HS is a notebook one.


Should you still have questions on choice between Pentium III 1400 and Ryzen 5 PRO 8640HS, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Pentium III 1400
Pentium III 1400
AMD Ryzen 5 PRO 8640HS
Ryzen 5 PRO 8640HS

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.7 27 votes

Rate Pentium III 1400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 6 votes

Rate Ryzen 5 PRO 8640HS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium III 1400 or Ryzen 5 PRO 8640HS, agree or disagree with our judgements, or report an error or mismatch.