i7-14700KF vs Pentium III 866

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Primary details

Comparing Pentium III 866 and Core i7-14700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated115
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data84.23
Market segmentDesktop processorDesktop processor
Power efficiencyno data25.58
Architecture codenameCoppermine T (2000)Raptor Lake-R (2023−2024)
Release date20 March 2000 (24 years ago)17 October 2023 (1 year ago)
Launch price (MSRP)no data$384

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium III 866 and Core i7-14700KF 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)20 (Icosa-Core)
Threads128
Base clock speedno data3.4 GHz
Boost clock speed0.87 GHz5.6 GHz
L1 cache32 KB80 KB (per core)
L2 cache256 KB2 MB (per core)
L3 cache0 KB33 MB (shared)
Chip lithography180 nmIntel 7 nm
Die size106 mm2257 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)80 °Cno data
Number of transistors28 millionno data
64 bit support-+
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Pentium III 866 and Core i7-14700KF 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 configuration21
Socket370FCLGA1700
Power consumption (TDP)27 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium III 866 and Core i7-14700KF. 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+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Pentium III 866 and Core i7-14700KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium III 866 and Core i7-14700KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium III 866 and Core i7-14700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5-5600, DDR4-3200
Maximum memory sizeno data192 GB
Max memory channelsno data2
Maximum memory bandwidthno data89.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)N/A

Peripherals

Specifications and connection of peripherals supported by Pentium III 866 and Core i7-14700KF.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data16

Pros & cons summary


Recency 20 March 2000 17 October 2023
Physical cores 1 20
Threads 1 28
Power consumption (TDP) 27 Watt 125 Watt

Pentium III 866 has 363% lower power consumption.

i7-14700KF, on the other hand, has an age advantage of 23 years, and 1900% more physical cores and 2700% more threads.

We couldn't decide between Pentium III 866 and Core i7-14700KF. We've got no test results to judge.


Should you still have questions on choice between Pentium III 866 and Core i7-14700KF, ask them in Comments section, and we shall answer.

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Intel Pentium III  866
Pentium III 866
Intel Core i7-14700KF
Core i7-14700KF

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Community ratings

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