i5-2540LM vs i7-640LM

Primary details

Comparing Core i7-640LM and Core i5-2540LM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2481	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core i5
Power efficiency	3.65	no data
Architecture codename	Arrandale (2010−2011)	Sandy Bridge (2011−2013)
Release date	7 January 2010 (14 years ago)	no data (2024 years ago)
Launch price (MSRP)	$332	no data

Detailed specifications

Core i7-640LM and Core i5-2540LM 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)	2 (Dual-core)
Threads	4	4
Base clock speed	2.13 GHz	no data
Boost clock speed	2.93 GHz	1.8 GHz
Bus type	DMI 1.0	DMI 2.0
Bus rate	1 × 2.5 GT/s	4 × 5 GT/s
Multiplier	16	18
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	4 MB (shared)	3 MB
Chip lithography	32 nm	32 nm
Die size	81+177 mm2	149 mm2
Maximum core temperature	105 °C	no data
Number of transistors	382+177 Million	624 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-640LM and Core i5-2540LM 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	BGA1288	no data
Power consumption (TDP)	25 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640LM and Core i5-2540LM. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-640LM and Core i5-2540LM technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-640LM and Core i5-2540LM are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640LM and Core i5-2540LM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR3-1333
Maximum memory size	8 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	17.051 GB/s	21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	Intel HD Graphics 3000
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	566 MHz	no data

Graphics interfaces

Available interfaces and connections of Core i7-640LM and Core i5-2540LM integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640LM and Core i5-2540LM.

PCIe version	2.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Power consumption (TDP)

25 Watt

35 Watt

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Should you still have questions on choice between Core i7-640LM and Core i5-2540LM, ask them in Comments section, and we shall answer.

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