i5-14600KF vs i9-11900KF

Primary details

Comparing Core i9-11900KF and Core i5-14600KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	437	205
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	70.30
Market segment	Desktop processor	Desktop processor
Power efficiency	11.88	18.68
Architecture codename	Rocket Lake (2021)	Raptor Lake-R (2023−2024)
Release date	16 March 2021 (3 years ago)	17 October 2023 (1 year ago)
Launch price (MSRP)	no data	$294

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-11900KF and Core i5-14600KF 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	8 (Octa-Core)	14 (Tetradeca-Core)
Threads	16	20
Base clock speed	3.5 GHz	3.5 GHz
Boost clock speed	5.2 GHz	5.3 GHz
Bus rate	8 GT/s	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	16 MB (shared)	24 MB (shared)
Chip lithography	14 nm	10 nm
Die size	no data	257 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	+

Compatibility

Information on Core i9-11900KF and Core i5-14600KF 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	FCLGA1200	1700
Power consumption (TDP)	125 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900KF and Core i5-14600KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-

Security technologies

Core i9-11900KF and Core i5-14600KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900KF and Core i5-14600KF are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900KF and Core i5-14600KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4, DDR5 Dual-channel
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	50 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Core i9-11900KF and Core i5-14600KF.

PCIe version	4.0	5.0
PCI Express lanes	20	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.

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Pros & cons summary

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Performance score	15.69	24.67
Recency	16 March 2021	17 October 2023
Physical cores	8	14
Threads	16	20
Chip lithography	14 nm	10 nm

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Should you still have questions on choice between Core i9-11900KF and Core i5-14600KF, ask them in Comments section, and we shall answer.

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