i9-9900KF vs Pentium 4 HT 640

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Primary details

Comparing Pentium 4 HT 640 and Core i9-9900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated674
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data8.18
Market segmentDesktop processorDesktop processor
Seriesno dataIntel Core i9
Power efficiencyno data11.45
Architecture codenamePrescott (2001−2005)Coffee Lake-R (2018−2019)
Release dateFebruary 2005 (19 years ago)7 January 2019 (5 years ago)
Launch price (MSRP)no data$488

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium 4 HT 640 and Core i9-9900KF 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)
Threads216
Base clock speedno data3.6 GHz
Boost clock speed3.2 GHz5 GHz
Bus typeno dataDMI 3.0
Bus rateno data4 × 8 GT/s
L1 cache28 KB512 KB
L2 cache2 MB2 MB
L3 cache0 KB16 MB (shared)
Chip lithography90 nm14 nm
Die size109 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors169 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Pentium 4 HT 640 and Core i9-9900KF 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)
Socket775FCLGA1151
Power consumption (TDP)84 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4 HT 640 and Core i9-9900KF. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium 4 HT 640 and Core i9-9900KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4 HT 640 and Core i9-9900KF are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4 HT 640 and Core i9-9900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR4-2666
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Peripherals

Specifications and connection of peripherals supported by Pentium 4 HT 640 and Core i9-9900KF.

PCIe versionno data3.0
PCI Express lanesno data16

Pros & cons summary


Physical cores 1 8
Threads 2 16
Chip lithography 90 nm 14 nm
Power consumption (TDP) 84 Watt 95 Watt

Pentium 4 HT 640 has 13.1% lower power consumption.

i9-9900KF, on the other hand, has 700% more physical cores and 700% more threads, and a 542.9% more advanced lithography process.

We couldn't decide between Pentium 4 HT 640 and Core i9-9900KF. We've got no test results to judge.


Should you still have questions on choice between Pentium 4 HT 640 and Core i9-9900KF, ask them in Comments section, and we shall answer.

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Intel Pentium 4 HT 640
Pentium 4 HT 640
Intel Core i9-9900KF
Core i9-9900KF

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Community ratings

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3.8 53 votes

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3.8 503 votes

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