i9-14901KE vs i5-9400F

Primary details

Comparing Core i5-9400F and Core i9-14901KE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1096	not rated
Place by popularity	25	not in top-100
Cost-effectiveness evaluation	9.18	no data
Market segment	Desktop processor	Desktop processor
Series	Intel Core i5	no data
Power efficiency	8.68	no data
Architecture codename	Coffee Lake-R (2018−2019)	Raptor Lake-R (2023−2024)
Release date	8 January 2019 (5 years ago)	July 2024 (recently)
Launch price (MSRP)	$182	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-9400F and Core i9-14901KE 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)	8 (Octa-Core)
Threads	6	16
Base clock speed	2.9 GHz	3.8 GHz
Boost clock speed	4.1 GHz	5.8 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	29	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	9 MB (shared)	36 MB (shared)
Chip lithography	14 nm	10 nm
Die size	149 mm2	257 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	-	+

Compatibility

Information on Core i5-9400F and Core i9-14901KE 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	FCLGA1151	1700
Power consumption (TDP)	65 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Core i9-14901KE. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i5-9400F and Core i9-14901KE technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-9400F and Core i9-14901KE are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-9400F and Core i9-14901KE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4, DDR5
Maximum memory size	128 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel UHD Graphics 770

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Core i9-14901KE.

PCIe version	3.0	5.0
PCI Express lanes	16	16

Pros & cons summary

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Physical cores	6	8
Threads	6	16
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 i5-9400F and Core i9-14901KE, ask them in Comments section, and we shall answer.

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