i7-660LM vs i7-740QM

Primary details

Comparing Core i7-740QM and Core i7-660LM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2368	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core i7
Power efficiency	2.43	no data
Architecture codename	Clarksfield (2009−2010)	Arrandale (2010−2011)
Release date	22 June 2010 (14 years ago)	13 September 2010 (14 years ago)
Launch price (MSRP)	$546	$346

Detailed specifications

Core i7-740QM and Core i7-660LM 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)	2 (Dual-core)
Threads	8	4
Base clock speed	1.73 GHz	2.26 GHz
Boost clock speed	2.93 GHz	3.06 GHz
Bus type	DMI 1.0	DMI 1.0
Bus rate	2.5 GT/s	1 × 2.5 GT/s
Multiplier	13	17
L1 cache	256 KB	128 KB
L2 cache	1 MB	512 KB
L3 cache	6 MB (shared)	4 MB
Chip lithography	45 nm	32 nm
Die size	296 mm2	81+177 mm2
Maximum core temperature	100 °C	105 °C
Number of transistors	774 million	382+177 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-740QM and Core i7-660LM 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	FCPGA988,PGA988	BGA1288
Power consumption (TDP)	45 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-740QM and Core i7-660LM. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	-	+
FMA	-	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	+	+
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
PAE	36 Bit	36 Bit
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Core i7-740QM and Core i7-660LM technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-740QM and Core i7-660LM are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-740QM and Core i7-660LM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333	DDR3-800, DDR3-1066
Maximum memory size	8 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	17.051 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	None	Intel® HD Graphics for Previous Generation Intel® Processors
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	566 MHz

Graphics interfaces

Available interfaces and connections of Core i7-740QM and Core i7-660LM integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Core i7-740QM and Core i7-660LM.

PCIe version	2	2.0
PCI Express lanes	16	16

Pros & cons summary

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Recency	22 June 2010	13 September 2010
Physical cores	4	2
Threads	8	4
Chip lithography	45 nm	32 nm
Power consumption (TDP)	45 Watt	25 Watt

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