Core i7-14700KF vs Pentium III 866

Primary details

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

Place in performance ranking	not rated	96
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	100.00
Market segment	Desktop processor	Desktop processor
Architecture codename	Coppermine T (2001)	no data
Release date	no data	1 October 2023 (less than a year ago)
Current price	$19.16	$379

Cost-effectiveness evaluation

Performance per price, higher is better.

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 cores	1 (Single-Core)	20 (Icosa-Core)
Threads	no data	28
Boost clock speed	0.87 GHz	5.6 GHz
L1 cache	8 KB	no data
L2 cache	256 KB	no data
L3 cache	0 KB	33 MB Intel® Smart Cache
Chip lithography	180 nm	Intel 7 nm
Die size	80 mm2	no data
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	69 °C	no data
Number of transistors	44 million	no data
64 bit support	-	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

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 configuration	1	1
Socket	370	FCLGA1700
Power consumption (TDP)	38 Watt	no data

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 extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
Idle States	no data	+
Thermal Monitoring	no data	+
Turbo Boost Max 3.0	no data	+
Status	no data	Launched

Security technologies

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

EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

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

VT-d	no data	+
VT-x	no data	+
EPT	no 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 types	no data	DDR5-5600, DDR4-3200
Maximum memory size	no data	192 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	89.6 GB/s

Peripherals

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

PCIe version	no data	5.0 and 4.0
PCI Express lanes	no data	20

Pros & cons summary

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Physical cores

1

20

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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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