Core i7-14700KF vs Core i7-940XM Extreme Edition

Primary details

Comparing Core i7-940XM Extreme Edition and Core i7-14700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	96
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	73.62
Market segment	Laptop	Desktop processor
Series	Intel Core i7EE	no data
Architecture codename	Nehalem (2008−2010)	no data
Release date	5 February 2010 (14 years ago)	1 October 2023 (less than a year ago)
Launch price (MSRP)	$1,096	no data
Current price	no data	$374

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-940XM Extreme Edition and Core i7-14700KF 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)	20 (Icosa-Core)
Threads	8	28
Boost clock speed	2.13 GHz	5.6 GHz
Bus support	2.5 GT/s	no data
L1 cache	256 KB	no data
L2 cache	1 MB	no data
L3 cache	8 MB	33 MB Intel® Smart Cache
Chip lithography	45 nm	Intel 7 nm
Die size	296 mm2	no data
Maximum core temperature	no data	100 °C
Number of transistors	774 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Core i7-940XM Extreme Edition and Core i7-14700KF 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	no data	FCLGA1700
Power consumption (TDP)	55 Watt	no data

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-940XM Extreme Edition and Core i7-14700KF. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-940XM Extreme Edition and Core i7-14700KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-940XM Extreme Edition and Core i7-14700KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-940XM Extreme Edition and Core i7-14700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1333	DDR5-5600, DDR4-3200
Maximum memory size	8 GB	192 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	89.6 GB/s
ECC memory support	-	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-940XM Extreme Edition and Core i7-14700KF.

PCIe version	2.0	5.0 and 4.0
PCI Express lanes	16	20

Pros & cons summary

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Recency	5 February 2010	1 October 2023
Physical cores	4	20
Threads	8	28

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Should you still have questions on choice between Core i7-940XM Extreme Edition and Core i7-14700KF, ask them in Comments section, and we shall answer.

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