Core i7-14700K vs Core i7-8700B

Primary details

Comparing Core i7-8700B and Core i7-14700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	893	94
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	13.12	61.47
Market segment	Desktop processor	Desktop processor
Series	Intel Core i7	no data
Architecture codename	Coffee Lake (2017−2019)	Raptor Lake
Release date	2 April 2018 (6 years ago)	17 October 2023 (less than a year ago)
Launch price (MSRP)	$303	$319
Current price	$172 (0.6x MSRP)	$592 (1.9x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-14700K has 369% better value for money than i7-8700B.

Detailed specifications

Core i7-8700B and Core i7-14700K 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	6 (Hexa-Core)	20 (Icosa-Core)
Threads	12	28
Base clock speed	3.2 GHz	3.4 GHz
Boost clock speed	3.2 GHz	5.6 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	384 KB	80 KB (per core)
L2 cache	1.5 MB	28 MB
L3 cache	12 MB (shared)	33 MB
Chip lithography	14 nm	10 nm
Die size	149 mm2	257 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core i7-8700B and Core i7-14700K 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 (Uniprocessor)	1
Socket	Intel BGA 1440	LGA 1700
Power consumption (TDP)	65 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8700B and Core i7-14700K. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
TSX	+	+
SIPP	+	no data

Security technologies

Core i7-8700B and Core i7-14700K technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8700B and Core i7-14700K are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-8700B and Core i7-14700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4, DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	89.6 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel UHD Graphics 630

Intel UHD Graphics 770

Peripherals

Specifications and connection of peripherals supported by Core i7-8700B and Core i7-14700K.

PCIe version	3.0	5.0
PCI Express lanes	16	16

Synthetic benchmark performance

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

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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.

Core i7-14700K outperforms Core i7-8700B by 348% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	7.72	34.57
Integrated graphics card	3.09	6.15
Recency	2 April 2018	17 October 2023
Physical cores	6	20
Threads	12	28
Cost	$303	$319
Chip lithography	14 nm	10 nm
Power consumption (TDP)	65 Watt	125 Watt

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Should you still have questions on choice between Core i7-8700B and Core i7-14700K, ask them in Comments section, and we shall answer.

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