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Intel Core i7-640M

Intel 640M

The Intel Core i7-640M is a high end dual core CPU for laptops and clocks (due to the Turbo Mode) from 2.8 to 3.46 GHz. Each core is based on the Nehalem (Westmere) micro-architecture. Hyperthreading enables the Dual Core CPU to handle 4 threads at once (for a better usage of the pipeline). Therefore, the i7-640M is related to the other i5 and i3 dual core CPUs and not the quad-core i7 CPUs.

A feature of the new Core i7-640M is the integrated graphics card called Intel HD Graphics (GMA HD) and memory controller. Both are on a separate die that is still manufactured in 45nm whereas the CPU die is already manufactured in the new 32nm process.

The 32nm cpu cores of the Westmere generation can also process some new instructions to accelerate AES encryptions. Compared to the slower i5 versions without AES features, the 3DMark Vantage Communication Score showed a significant increase with AES enabled CPUs.

The integrated Intel Graphics Media Accelerator HD (GMA HD) graphics card is clocked with 500-733 MHz and performs clearly faster than the old GMA 4500MHD. A GeForce 9400M (ION) should still be a bit faster (especially as Nvidia and ATI cards have a better driver support than Intel up to now).

The power consumption of 35 Watt TDP (max.) counts for the whole package and therefore it is clearly better than the 35 Watt TDP of the Core 2 Duo T-series (CPU alone).

The Core i7-640M should not be mistaken with the similar named but slower low voltage Core i7-640LM and Core i7-640UM models.

SeriesIntel Core i7
CodenameArrandale
Series: Core i7 Arrandale
» Intel Core i7-640M2.8 - 3.46 GHz2 / 44 MB
Intel Core i7-620M compare2.66 - 3.33 GHz2 / 44 MB
Intel Core i7-660LM compare2.27 - 3.07 GHz2 / 44 MB
Intel Core i7-640LM compare2.13 - 2.93 GHz2 / 44 MB
Intel Core i7-620LM compare2 - 2.8 GHz2 / 44 MB
Intel Core i7-680UM compare1.47 - 2.53 GHz2 / 44 MB
Intel Core i7-660UM compare1.33 - 2.4 GHz2 / 44 MB
Intel Core i7-640UM compare1.2 - 2.27 GHz2 / 44 MB
Intel Core i7-620UM compare1.06 - 2.13 GHz2 / 44 MB
Clock Rate2800 - 3460 MHz
Front Side Bus2500
Level 2 Cache512 KB
Level 3 Cache4 MB
Number of Cores / Threads2 / 4
Power Consumption (TDP = Thermal Design Power)35 Watt
Transistor Count382+177 Million
Manufacturing Technology32 nm
Die Size81+114 mm2
Max. Temperature105 °C
SocketBGA1288, PGA988
FeaturesTurbo Boost, Hyper Threading, Enhanced Speedstep, integrierte GMA HD 500-733MHz, Dual Channel DDR3 memory controller
64 Bit64 Bit support
Architecturex86
Starting Price$346 U.S.
Announcement Date09/20/2010
Product Link (external)Intel Core i7 640M

Benchmarks

PCMark 05 - PCMark 05 - Standard
min: 10087     avg: 10706     median: 10706 (67%)     max: 11325 Points
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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#310 linkCache_getLink using $NBC_LINKCACHE +0.002s ... 0.22s

#311 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.221s

#312 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.221s

#313 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.221s

#314 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.221s

#315 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.221s

#316 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.221s

#317 linkCache_getLink using $NBC_LINKCACHE +0.003s ... 0.224s

#318 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.224s

#319 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.224s

#320 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.224s

#321 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.224s

#322 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.224s

#323 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.224s

#324 linkCache_getLink using $NBC_LINKCACHE +0s ... 0.224s

#325 min, max, avg, median took s +0.002s ... 0.225s

#326 return log +0.017s ... 0.243s

Reviews for the Intel Core i7 640M processor

Acer Aspire 4820TG-644G16Mnks (AMD Radeon HD 6550M, 14.10")
» Review Acer Aspire 4820TG (i7/HD 6550) Notebook - Review
» Acer Aspire 4820TG-644G16Mnks - External Review

Acer TravelMate 6594G-644G50Mi (ATI Mobility Radeon HD 5650, 15.60")
» Acer TravelMate 6594G-644G50Mi - External Review

Clevo B5130M (NVIDIA GeForce GT 425M, 15.60")
» Clevo B5130M - External Review

Compal NBLB2 (ATI Mobility Radeon HD 5650, 15.60")
» Compal NBLB2 - External Review

Dell Latitude E5410 (Core i7 640M, GMA HD) (Intel Graphics Media Accelerator (GMA) HD Graphics, 14.10")
» Review Dell Latitude E5410 Notebook - Review
» Dell Latitude E5410 (Core i7 640M, GMA HD) - External Review

Dell Latitude E5510 (GMA HD, i7 640M) (Intel Graphics Media Accelerator (GMA) HD Graphics, 15.60")
» Review Dell Latitude E5510 Notebook - Review
» Dell Latitude E5510 (GMA HD, i7 640M) - External Review

Micro Express NBL 5100 (NVIDIA GeForce GT 330M, 15.60")
» Micro Express NBL 5100 - External Review

Schenker XMG P500 (NVIDIA GeForce GTX 460M, 15.60")
» mySN XMG P500 - External Review

Schenker XMG P500 PRO (NVIDIA GeForce GTX 460M, 15.60")
» Review Schenker XMG P500 PRO Gaming Notebook - Review
» mySN XMG P500 PRO - External Review

Sony Vaio VPC-Z13Z9E (NVIDIA GeForce GT 330M, 13.10")
» Review Sony Vaio VPC-Z13Z9E (i7, FHD, Quad-SSD) subnotebook - Review
» Sony Vaio VPC-Z13Z9E - External Review

Sony Vaio VPC-Z13Z9E/X (NVIDIA GeForce GT 330M, 13.10")
» Sony Vaio VPC-Z13Z9E/X - External Review

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» Mobile CPU Comparison
Comparison of all mobile CPU series

» Mobile Processors - Benchmarklist
Benchmarklist of all known CPUs that are used in laptops (desktop and laptop CPUs)

Other CPUs of the series Core i7

» Intel Core i7-8809G
   4x 3.1 GHz - 4.2 GHz
» Intel Core i7-8709G
   4x 3.1 GHz - 4.1 GHz
» Intel Core i7-8706G
   4x 3.1 GHz - 4.1 GHz
» Intel Core i7-8705G
   4x 3.1 GHz - 4.1 GHz
» Intel Core i7-4940MX
   4x 3.1 GHz - 4 GHz
» Intel Core i7-6920HQ
   4x 2.9 GHz - 3.8 GHz
» Intel Core i7-5950HQ
   4x 2.9 GHz - 3.8 GHz
» Intel Core i7-4930MX
   4x 3 GHz - 3.9 GHz
» Intel Core i7-6970HQ
   4x 2.8 GHz - 3.7 GHz
» Intel Core i7-6870HQ
   4x 2.7 GHz - 3.6 GHz
» Intel Core i7-4980HQ
   4x 2.8 GHz - 4 GHz
» Intel Core i7-4910MQ
   4x 2.9 GHz - 3.9 GHz
» Intel Core i7-5850HQ
   4x 2.7 GHz - 3.6 GHz
» Intel Core i7-3940XM
   4x 3 GHz - 3.9 GHz
» Intel Core i7-5700HQ
   4x 2.7 GHz - 3.5 GHz
» Intel Core i7-5750HQ
   4x 2.5 GHz - 3.4 GHz
» Intel Core i7-6820HK
   4x 2.7 GHz - 3.6 GHz
» Intel Core i7-6820HQ
   4x 2.7 GHz - 3.6 GHz
» Intel Core i7-6770HQ
   4x 2.6 GHz - 3.5 GHz
» Intel Core i7-4900MQ
   4x 2.8 GHz - 3.8 GHz
» Intel Core i7-4960HQ
   4x 2.6 GHz - 3.8 GHz
» Intel Core i7-6700HQ
   4x 2.6 GHz - 3.5 GHz
» Intel Core i7-4810MQ
   4x 2.8 GHz - 3.8 GHz
» Intel Core i7-4870HQ
   4x 2.5 GHz - 3.7 GHz
» Intel Core i7-8665U
   4x 1.9 GHz - 4.8 GHz
» Intel Core i7-3920XM
   4x 2.9 GHz - 3.8 GHz
» Intel Core i7-4800MQ
   4x 2.7 GHz - 3.7 GHz
» Intel Core i7-4950HQ
   4x 2.4 GHz - 3.6 GHz
» Intel Core i7-4860HQ
   4x 2.4 GHz - 3.6 GHz
» Intel Core i7-4720HQ
   4x 2.6 GHz - 3.6 GHz
» Intel Core i7-3840QM
   4x 2.8 GHz - 3.8 GHz
» Intel Core i7-4850HQ
   4x 2.3 GHz - 3.5 GHz
» Intel Core i7-4710HQ
   4x 2.5 GHz - 3.5 GHz
» Intel Core i7-4710MQ
   4x 2.5 GHz - 3.5 GHz
» Intel Core i7-8565U
   4x 1.8 GHz - 4.6 GHz
» Intel Core i7-4770HQ
   4x 2.2 GHz - 3.4 GHz
» Intel Core i7-3820QM
   4x 2.7 GHz - 3.7 GHz
» Intel Core i7-3740QM
   4x 2.7 GHz - 3.7 GHz
» Intel Core i7-3720QM
   4x 2.6 GHz - 3.6 GHz
» Intel Core i7-4700HQ
   4x 2.4 GHz - 3.4 GHz
» Intel Core i7-4700MQ
   4x 2.4 GHz - 3.4 GHz
» Intel Core i7-4760HQ
   4x 2.1 GHz - 3.3 GHz
» Intel Core i7-4722HQ
   4x 2.4 GHz - 3.4 GHz
» Intel Core i7-2960XM
   4x 2.7 GHz - 3.7 GHz
» Intel Core i7-4712HQ
   4x 2.3 GHz - 3.3 GHz
» Intel Core i7-4712MQ
   4x 2.3 GHz - 3.3 GHz
» Intel Core i7-4750HQ
   4x 2 GHz - 3.2 GHz
» Intel Core i7-3635QM
   4x 2.4 GHz - 3.4 GHz
» Intel Core i7-3630QM
   4x 2.4 GHz - 3.4 GHz
» Intel Core i7-4702HQ
   4x 2.2 GHz - 3.2 GHz
» Intel Core i7-4702MQ
   4x 2.2 GHz - 3.2 GHz
» Intel Core i7-2860QM
   4x 2.5 GHz - 3.6 GHz
» Intel Core i7-2920XM
   4x 2.5 GHz - 3.5 GHz
» Intel Core i7-3615QM
   4x 2.3 GHz - 3.3 GHz
» Intel Core i7-3610QM
   4x 2.3 GHz - 3.3 GHz
» Intel Core i7-3632QM
   4x 2.2 GHz - 3.2 GHz
» Intel Core i7-2760QM
   4x 2.4 GHz - 3.5 GHz
» Intel Core i7-2820QM
   4x 2.3 GHz - 3.4 GHz
» Intel Core i7-3612QM
   4x 2.1 GHz - 3.1 GHz
» Intel Core i7-2720QM
   4x 2.2 GHz - 3.3 GHz
» Intel Core i7-2675QM
   4x 2.2 GHz - 3.1 GHz
» Intel Core i7-2670QM
   4x 2.2 GHz - 3.1 GHz
» Intel Core i7-6567U
   2x 3.3 GHz - 3.6 GHz
» Intel Core i7-2635QM
   4x 2 GHz - 2.9 GHz
» Intel Core i7-2630QM
   4x 2 GHz - 2.9 GHz
» Intel Core i7-5557U
   2x 3.1 GHz - 3.4 GHz
» Intel Core i7-4610M
   2x 3 GHz - 3.7 GHz
» Intel Core i7-940XM
   4x 2.13 GHz - 3.33 GHz
» Intel Core i7-4600M
   2x 2.9 GHz - 3.6 GHz
» Intel Core i7-4578U
   2x 3 GHz - 3.5 GHz
» Intel Core i7-920XM
   4x 2 GHz - 3.2 GHz
» Intel Core i7-3540M
   2x 3 GHz - 3.7 GHz
» Intel Core i7-4558U
   2x 2.8 GHz - 3.3 GHz
» Intel Core i7-6600U
   2x 2.6 GHz - 3.4 GHz
» Intel Core i7-6650U
   2x 2.2 GHz - 3.4 GHz
» Intel Core i7-6560U
   2x 2.2 GHz - 3.2 GHz
» Intel Core i7-3520M
   2x 2.9 GHz - 3.6 GHz
» Intel Core i7-6500U
   2x 2.5 GHz - 3.1 GHz
» Intel Core i7-5600U
   2x 2.6 GHz - 3.2 GHz
» Intel Core i7-5650U
   2x 2.2 GHz - 3.2 GHz
» Intel Core i7-2640M
   2x 2.8 GHz - 3.5 GHz
» Intel Core i7-5500U
   2x 2.4 GHz - 3 GHz
» Intel Core i7-5550U
   2x 2 GHz - 3 GHz
» Intel Core i7-840QM
   4x 1.86 GHz - 3.2 GHz
» Intel Core i7-2620M
   2x 2.7 GHz - 3.4 GHz
» Intel Core i7-4600U
   2x 2.1 GHz - 3.3 GHz
» Intel Core i7-4650U
   2x 1.7 GHz - 3.3 GHz
» Intel Core i7-3687U
   2x 2.1 GHz - 3.3 GHz
» Intel Core i7-4510U
   2x 2 GHz - 3.1 GHz
» Intel Core i7-640M
   2x 2.8 GHz - 3.46 GHz
» Intel Core i7-820QM
   4x 1.73 GHz - 3.06 GHz
» Intel Core i7-3667U
   2x 2 GHz - 3.2 GHz
» Intel Core i7-4500U
   2x 1.8 GHz - 3 GHz
» Intel Core i7-4550U
   2x 1.5 GHz - 3 GHz
» Intel Core i7-740QM
   4x 1.73 GHz - 2.93 GHz
» Intel Core i7-3537U
   2x 2 GHz - 3.1 GHz
» Intel Core i7-3517U
   2x 1.9 GHz - 3 GHz
» Intel Core i7-620M
   2x 2.66 GHz - 3.33 GHz
» Intel Core i7-720QM
   4x 1.6 GHz - 2.8 GHz
» Intel Core i7-2649M
   2x 2.3 GHz - 3.2 GHz
» Intel Core i7-4610Y
   2x 1.7 GHz - 2.9 GHz
» Intel Core i7-2629M
   2x 2.1 GHz - 3 GHz
» Intel Core i7-2677M
   2x 1.8 GHz - 2.9 GHz
» Intel Core i7-660LM
   2x 2.27 GHz - 3.07 GHz
» Intel Core i7-2637M
   2x 1.7 GHz - 2.8 GHz
» Intel Core i7-2657M
   2x 1.6 GHz - 2.7 GHz
» Intel Core i7-3689Y
   2x 1.5 GHz - 2.6 GHz
» Intel Core i7-2617M
   2x 1.5 GHz - 2.6 GHz
» Intel Core i7-640LM
   2x 2.13 GHz - 2.93 GHz
» Intel Core i7-620LM
   2x 2 GHz - 2.8 GHz
» Intel Core i7-680UM
   2x 1.47 GHz - 2.53 GHz
» Intel Core i7-660UM
   2x 1.33 GHz - 2.4 GHz
» Intel Core i7-640UM
   2x 1.2 GHz - 2.27 GHz
» Intel Core i7-620UM
   2x 1.06 GHz - 2.13 GHz

Surrounding CPUs

+ Intel Core i5-5300U
   2x 2.3 GHz - 2.9 GHz
+ Intel Core i7-3687U
   2x 2.1 GHz - 3.3 GHz
+ Intel Core i5-5350U
   2x 1.8 GHz - 2.9 GHz
+ Intel Core i7-4510U
   2x 2 GHz - 3.1 GHz
+ Intel Core i5-3210M
   2x 2.5 GHz - 3.1 GHz
» Intel Core i7-640M
   2x 2.8 GHz - 3.46 GHz
- Intel Core i7-820QM
   4x 1.73 GHz - 3.06 GHz
- Intel Core 2 Extreme QX9300
   4x 2.53 GHz
- Intel Core i7-8500Y
   2x 1.5 GHz - 4.2 GHz
- Intel Core i5-2540M
   2x 2.6 GHz - 3.3 GHz
- Intel Core i3-10110Y
   2x 1 GHz - 4 GHz
Klaus Hinum, 2010-09-13 (Update: 2012-05-26)