Ryzen 9 5900X vs Pentium III 1400S

VS

Aggregate performance score

Pentium III 1400S
2002
1 core / 1 thread, 32 Watt
0.12
Ryzen 9 5900X
2020
12 cores / 24 threads, 105 Watt
24.61
+20408%

Ryzen 9 5900X outperforms Pentium III 1400S by a whopping 20408% based on our aggregate benchmark results.

Primary details

Comparing Pentium III 1400S and Ryzen 9 5900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3360206
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data32.26
Market segmentDesktop processorDesktop processor
Seriesno dataAMD Ryzen 9
Power efficiency0.3522.18
Architecture codenameTualatin (2000−2002)Vermeer (Zen3) (2020−2022)
Release dateJanuary 2002 (22 years ago)5 November 2020 (4 years ago)
Launch price (MSRP)no data$549

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium III 1400S and Ryzen 9 5900X 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)12 (Dodeca-Core)
Threads124
Base clock speedno data3.7 GHz
Boost clock speed1.4 GHz4.8 GHz
Multiplierno data37
L1 cache8 KB64K (per core)
L2 cache512 KB512K (per core)
L3 cache0 KB64 MB
Chip lithography130 nm7 nm, 12 nm
Die size80 mm22x 74 mm2(CCD) + 125 mm2 (IOD)
Maximum case temperature (TCase)69 °C95 °C
Number of transistors44 million0 Million
64 bit support-+
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Pentium III 1400S and Ryzen 9 5900X 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)32 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium III 1400S and Ryzen 9 5900X. 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 1400S and Ryzen 9 5900X are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium III 1400S and Ryzen 9 5900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data51.196 GB/s

Peripherals

Specifications and connection of peripherals supported by Pentium III 1400S and Ryzen 9 5900X.

PCIe versionno data4.0

Synthetic benchmark performance

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


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pentium III 1400S 0.12
Ryzen 9 5900X 24.61
+20408%

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 1400S 194
Ryzen 9 5900X 39099
+20054%

Gaming performance

Pros & cons summary


Performance score 0.12 24.61
Physical cores 1 12
Threads 1 24
Chip lithography 130 nm 7 nm
Power consumption (TDP) 32 Watt 105 Watt

Pentium III 1400S has 228.1% lower power consumption.

Ryzen 9 5900X, on the other hand, has a 20408.3% higher aggregate performance score, 1100% more physical cores and 2300% more threads, and a 1757.1% more advanced lithography process.

The Ryzen 9 5900X is our recommended choice as it beats the Pentium III 1400S in performance tests.


Should you still have questions on choice between Pentium III 1400S and Ryzen 9 5900X, ask them in Comments section, and we shall answer.

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Intel Pentium III 1400S
Pentium III 1400S
AMD Ryzen 9 5900X
Ryzen 9 5900X

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Community ratings

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Questions & comments

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