i7-940XM Extreme Edition vs i7-640M

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Primary details

Comparing Core i7-640M and Core i7-940XM Extreme Edition processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2277not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Core i7EE
Power efficiency3.54no data
Architecture codenameArrandale (2010−2011)Nehalem (2008−2010)
Release date13 September 2010 (14 years ago)5 February 2010 (14 years ago)
Launch price (MSRP)$346$1,096

Detailed specifications

Core i7-640M and Core i7-940XM Extreme Edition 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 cores2 (Dual-core)4 (Quad-Core)
Threads48
Base clock speed2.8 GHzno data
Boost clock speed3.46 GHz2.13 GHz
Bus typeDMI 1.0DMI
Bus rate1 × 2.5 GT/s2.5 GT/s
Multiplier2116
L1 cache128 KB256 KB
L2 cache512 KB1 MB
L3 cache4 MB (shared)8 MB
Chip lithography32 nm45 nm
Die size81+114 mm2296 mm2
Maximum core temperature105 °Cno data
Number of transistors382 Million774 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-640M and Core i7-940XM Extreme Edition 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketBGA1288, PGA988no data
Power consumption (TDP)35 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-640M and Core i7-940XM Extreme Edition. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI+-
FMA+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
PAE36 Bitno data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-640M and Core i7-940XM Extreme Edition 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 i7-640M and Core i7-940XM Extreme Edition are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-640M and Core i7-940XM Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3-1333
Maximum memory size8 GB8 GB
Max memory channels22
Maximum memory bandwidth17.051 GB/s21.335 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for Previous Generation Intel Processorsno data
Clear Video+no data
Clear Video HD+no data
Graphics max frequency766 MHzno data

Graphics interfaces

Available interfaces and connections of Core i7-640M and Core i7-940XM Extreme Edition integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i7-640M and Core i7-940XM Extreme Edition.

PCIe version2.02.0
PCI Express lanes1616

Pros & cons summary


Recency 13 September 2010 5 February 2010
Physical cores 2 4
Threads 4 8
Chip lithography 32 nm 45 nm
Power consumption (TDP) 35 Watt 55 Watt

i7-640M has an age advantage of 7 months, a 40.6% more advanced lithography process, and 57.1% lower power consumption.

i7-940XM Extreme Edition, on the other hand, has 100% more physical cores and 100% more threads.

We couldn't decide between Core i7-640M and Core i7-940XM Extreme Edition. We've got no test results to judge.


Should you still have questions on choice between Core i7-640M and Core i7-940XM Extreme Edition, ask them in Comments section, and we shall answer.

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Intel Core i7-640M
Core i7-640M
Intel Core i7-940XM Extreme Edition
Core i7-940XM Extreme Edition

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Community ratings

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4.2 524 votes

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2.5 11 votes

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Questions & comments

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