Core i9-14900KF vs Core i7-2640M

Primary details

Comparing Core i7-2640M and Core i9-14900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2009	69
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	84.45
Market segment	Laptop	Desktop processor
Series	Intel Core i7	no data
Architecture codename	Sandy Bridge (2011−2013)	no data
Release date	4 September 2011 (12 years ago)	1 October 2023 (less than a year ago)
Launch price (MSRP)	$346	no data
Current price	$114 (0.3x MSRP)	$514

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-2640M and Core i9-14900KF 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	2 (Dual-core)	24 (Tetracosa-Core)
Threads	4	32
Base clock speed	2.8 GHz	no data
Boost clock speed	3.5 GHz	5.8 GHz
Bus support	4 × 5 GT/s	no data
L1 cache	128 KB	no data
L2 cache	512 KB	no data
L3 cache	4 MB	36 MB Intel® Smart Cache
Chip lithography	32 nm	Intel 7 nm
Die size	149 mm2	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	624 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Core i7-2640M and Core i9-14900KF 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	FCBGA1023,PPGA988	FCLGA1700
Power consumption (TDP)	35 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2640M and Core i9-14900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	no data
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
My WiFi	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	Launched

Security technologies

Core i7-2640M and Core i9-14900KF technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2640M and Core i9-14900KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2640M and Core i9-14900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5-5600, DDR4-3200
Maximum memory size	16 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	89.6 GB/s
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	no data
Quick Sync Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-2640M and Core i9-14900KF integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2640M and Core i9-14900KF.

PCIe version	2.0	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 i9-14900KF outperforms Core i7-2640M by 2342% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.59	38.83
Recency	4 September 2011	1 October 2023
Physical cores	2	24
Threads	4	32

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Should you still have questions on choice between Core i7-2640M and Core i9-14900KF, ask them in Comments section, and we shall answer.

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