Ryzen 7 5800X3D vs Pentium III 1400

Primary details

Comparing Pentium III 1400 and Ryzen 7 5800X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated342
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data28.06
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen 7
Power efficiencyno data16.05
Architecture codenameTualatin (2000−2002)Vermeer (Zen3) (2020−2022)
Release dateDecember 2001 (22 years ago)20 April 2022 (2 years ago)
Launch price (MSRP)no data$449

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium III 1400 and Ryzen 7 5800X3D 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)8 (Octa-Core)
Threads116
Base clock speedno data3.4 GHz
Boost clock speed1.4 GHz4.5 GHz
L1 cache8 KB512 KB
L2 cache256 KB4 MB
L3 cache0 KB96 MB (shared)
Chip lithography130 nm7 nm, 12 nm
Die size80 mm274 + 125 mm
Maximum core temperatureno data90 °C
Maximum case temperature (TCase)69 °C90 °C
Number of transistors44 million8,850 million
64 bit support-+
Windows 11 compatibility-+

Compatibility

Information on Pentium III 1400 and Ryzen 7 5800X3D 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
Socket370AM4
Power consumption (TDP)31 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium III 1400 and Ryzen 7 5800X3D. You'll probably need this information if you require some particular technology.

Instruction set extensionsno data86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2
AES-NI-+
AVX-+
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium III 1400 and Ryzen 7 5800X3D are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium III 1400 and Ryzen 7 5800X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4-3200
Maximum memory sizeno data128 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Pentium III 1400 and Ryzen 7 5800X3D.

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 7 5800X3D 28304
+14565%

Pros & cons summary


Physical cores 1 8
Threads 1 16
Chip lithography 130 nm 7 nm
Power consumption (TDP) 31 Watt 105 Watt

Pentium III 1400 has 238.7% lower power consumption.

Ryzen 7 5800X3D, on the other hand, has 700% more physical cores and 1500% more threads, and a 1757.1% more advanced lithography process.

We couldn't decide between Pentium III 1400 and Ryzen 7 5800X3D. We've got no test results to judge.


Should you still have questions on choice between Pentium III 1400 and Ryzen 7 5800X3D, 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 7 5800X3D
Ryzen 7 5800X3D

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
4.3 2177 votes

Rate Ryzen 7 5800X3D 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 7 5800X3D, agree or disagree with our judgements, or report an error or mismatch.