i9-9940X vs Pentium 4 2.40

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Aggregate performance score

Pentium 4 2.40
2004
1 core / 1 thread, 110 Watt
0.08
Core i9-9940X
2018
14 cores / 28 threads, 165 Watt
17.62
+21925%

Core i9-9940X outperforms Pentium 4 2.40 by a whopping 21925% based on our aggregate benchmark results.

Primary details

Comparing Pentium 4 2.40 and Core i9-9940X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3397356
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data5.29
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Power efficiency0.0710.11
Architecture codenamePrescott (2001−2005)Skylake (server) (2017−2018)
Release dateMarch 2004 (20 years ago)19 October 2018 (6 years ago)
Launch price (MSRP)no data$1,387

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium 4 2.40 and Core i9-9940X 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)14 (Tetradeca-Core)
Threads128
Base clock speedno data3.3 GHz
Boost clock speed2.4 GHz4.5 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
Multiplierno data33
L1 cache16 KB64 KB (per core)
L2 cache1 MB1 MB (per core)
L3 cache0 KB19.25 MB (shared)
Chip lithography90 nm14 nm
Die size109 mm2484 mm2
Maximum core temperatureno data88 °C
Number of transistors125 millionno data
64 bit support-+
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Pentium 4 2.40 and Core i9-9940X 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 (Uniprocessor)
Socket478FCLGA2066
Power consumption (TDP)110 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4 2.40 and Core i9-9940X. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Turbo Boost Max 3.0no data+

Security technologies

Pentium 4 2.40 and Core i9-9940X technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4 2.40 and Core i9-9940X are enumerated here.

VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4 2.40 and Core i9-9940X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2DDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data4
Maximum memory bandwidthno data85.33 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Pentium 4 2.40 and Core i9-9940X.

PCIe versionno data3.0
PCI Express lanesno data44

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 4 2.40 0.08
i9-9940X 17.62
+21925%

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 4 2.40 131
i9-9940X 27995
+21270%

Gaming performance

Pros & cons summary


Performance score 0.08 17.62
Physical cores 1 14
Threads 1 28
Chip lithography 90 nm 14 nm
Power consumption (TDP) 110 Watt 165 Watt

Pentium 4 2.40 has 50% lower power consumption.

i9-9940X, on the other hand, has a 21925% higher aggregate performance score, 1300% more physical cores and 2700% more threads, and a 542.9% more advanced lithography process.

The Core i9-9940X is our recommended choice as it beats the Pentium 4 2.40 in performance tests.


Should you still have questions on choice between Pentium 4 2.40 and Core i9-9940X, 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 4 2.40
Pentium 4 2.40
Intel Core i9-9940X
Core i9-9940X

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.


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Questions & comments

Here you can ask a question about Pentium 4 2.40 or Core i9-9940X, agree or disagree with our judgements, or report an error or mismatch.