i7-2660M vs i5-9400F

Primary details

Comparing Core i5-9400F and Core i7-2660M processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1073	not rated
Place by popularity	38	not in top-100
Cost-effectiveness evaluation	10.06	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	Intel Core i7
Architecture codename	Coffee Lake-R (2018−2019)	Sandy Bridge (2011−2013)
Release date	7 January 2019 (5 years ago)	no data
Launch price (MSRP)	$182	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-9400F and Core i7-2660M 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)	2 (Dual-core)
Threads	6	4
Base clock speed	2.9 GHz	no data
Boost clock speed	4.1 GHz	2.9 GHz
Bus type	DMI 3.0	DMI 2.0
Bus rate	4 × 8 GT/s	4 × 5 GT/s
Multiplier	29	29
L1 cache	385 KB	128 KB
L2 cache	1.5 MB	512 KB
L3 cache	9 MB	4 MB
Chip lithography	14 nm	32 nm
Die size	149 mm2	no data
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	624 Million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Core i5-9400F and Core i7-2660M 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	FCLGA1151	Socket G2
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-9400F and Core i7-2660M. 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	+	+
FMA	-	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Status	Discontinued	no data

Security technologies

Core i5-9400F and Core i7-2660M 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 i7-2660M 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 i7-2660M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR3-1333
Maximum memory size	128 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	42.671 GB/s	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics 3000

Peripherals

Specifications and connection of peripherals supported by Core i5-9400F and Core i7-2660M.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Physical cores	6	2
Threads	6	4
Chip lithography	14 nm	32 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Core i5-9400F and Core i7-2660M, ask them in Comments section, and we shall answer.

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