Core i7-720QM vs Core i5-7400

Primary details

Comparing Core i5-7400 and Core i7-720QM processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1462	2326
Place by popularity	40	not in top-100
Cost-effectiveness evaluation	3.44	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	Intel Core i7
Architecture codename	Kaby Lake (2016−2019)	Clarksfield (2009−2010)
Release date	3 January 2017 (7 years ago)	24 June 2009 (15 years ago)
Launch price (MSRP)	$182	$546

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-7400 and Core i7-720QM 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)	4 (Quad-Core)
Threads	4	8
Base clock speed	3 GHz	1.6 GHz
Boost clock speed	3 GHz	1.6 GHz
Bus support	8 GT/s	2.5 GT/s
L1 cache	256 KB	256 KB
L2 cache	1 MB	1 MB
L3 cache	6 MB (shared)	6 MB
Chip lithography	14 nm	45 nm
Die size	no data	296 mm2
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	774 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Core i5-7400 and Core i7-720QM 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 (Uniprocessor)
Socket	1151	RPGA989
Power consumption (TDP)	65 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7400 and Core i7-720QM. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
AVX	+	no data
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
TSX	+	no data

Security technologies

Core i5-7400 and Core i7-720QM technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7400 and Core i7-720QM are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7400 and Core i7-720QM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3-1333
Maximum memory size	64 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	21.335 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel HD Graphics 630

None

Peripherals

Specifications and connection of peripherals supported by Core i5-7400 and Core i7-720QM.

PCIe version	3.0	2.0
PCI Express lanes	16	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.

Core i5-7400 outperforms Core i7-720QM by 231% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	3.54	1.07
Recency	3 January 2017	24 June 2009
Threads	4	8
Chip lithography	14 nm	45 nm
Power consumption (TDP)	65 Watt	45 Watt

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Should you still have questions on choice between Core i5-7400 and Core i7-720QM, ask them in Comments section, and we shall answer.

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