Core i9-13900KF vs Core i7-7740X

Primary details

Comparing Core i7-7740X and Core i9-13900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1013	77
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.67	67.73
Market segment	Desktop processor	Desktop processor
Series	Core i7 (Desktop)	Intel Core i9
Architecture codename	Kaby Lake-X (2017)	Raptor Lake, Raptor Cove, Gracemont
Release date	30 May 2017 (7 years ago)	27 September 2022 (1 year ago)
Launch price (MSRP)	$339	$564
Current price	$139 (0.4x MSRP)	$621 (1.1x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-13900KF has 681% better value for money than i7-7740X.

Detailed specifications

Core i7-7740X and Core i9-13900KF 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	4 (Quad-Core)	24 (Tetracosa-Core)
Threads	8	32
Base clock speed	4.3 GHz	3 GHz
Boost clock speed	4.5 GHz	5.7 GHz
Bus support	4 × 8 GT/s	4 × 16 GT/s
L1 cache	256 KB	1.5 MB
L2 cache	1 MB	16 MB
L3 cache	8 MB (shared)	12 MB
Chip lithography	14 nm	Intel 7 nm
Die size	no data	257 mm2
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i7-7740X and Core i9-13900KF 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	FCLGA2066	FCLGA1700
Power consumption (TDP)	112 Watt	125 W, 253 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7740X and Core i9-13900KF. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-7740X and Core i9-13900KF 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 Core i7-7740X and Core i9-13900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7740X and Core i9-13900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-5600, DDR4-3200
Maximum memory size	64 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	42 GB/s	89.6 GB/s
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

HD 630

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7740X and Core i9-13900KF.

PCIe version	3.0	5.0 and 4.0
PCI Express lanes	16	20

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 i9-13900KF outperforms Core i7-7740X by 508% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	6.23	37.90
Recency	30 May 2017	27 September 2022
Physical cores	4	24
Threads	8	32
Cost	$339	$564
Power consumption (TDP)	112 Watt	125 Watt

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Should you still have questions on choice between Core i7-7740X and Core i9-13900KF, ask them in Comments section, and we shall answer.

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