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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 i7-640M « 2.8 - 3.46 GHz2 / 4 cores4 MB L3
Intel Core i7-620M compare2.66 - 3.33 GHz2 / 4 cores4 MB L3
Intel Core i7-660LM compare2.27 - 3.07 GHz2 / 4 cores4 MB L3
Intel Core i7-640LM compare2.13 - 2.93 GHz2 / 4 cores4 MB L3
Intel Core i7-620LM compare2 - 2.8 GHz2 / 4 cores4 MB L3
Intel Core i7-680UM compare1.47 - 2.53 GHz2 / 4 cores4 MB L3
Intel Core i7-660UM compare1.33 - 2.4 GHz2 / 4 cores4 MB L3
Intel Core i7-640UM compare1.2 - 2.27 GHz2 / 4 cores4 MB L3
Intel Core i7-620UM compare1.06 - 2.13 GHz2 / 4 cores4 MB L3
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)ark.intel.com

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit
min: 2.4     avg: 2.5     median: 2.5 (3%)     max: 2.63 Points
Cinebench R10 - Cinebench R10 Rend. Single (32bit)
min: 3597     avg: 3711     median: 3707.5 (22%)     max: 3792 points
Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
min: 7765     avg: 7987     median: 7906 (6%)     max: 8349 points
Cinebench R10 - Cinebench R10 Rend. Multi (64bit)
min: 9096     avg: 9533     median: 9430 (7%)     max: 10027 Points
Cinebench R10 - Cinebench R10 Rend. Single (64bit)
min: 4455     avg: 4563     median: 4573 (6%)     max: 4606 Points
wPrime 2.10 - wPrime 2.0 1024m *
min: 523     avg: 709     median: 569 (7%)     max: 1173 s
wPrime 2.10 - wPrime 2.0 32m *
min: 16.6     avg: 22.1     median: 17.6 (4%)     max: 36.61 s
PCMark 05 - PCMark 05 - Standard
min: 10087     avg: 10706     median: 10706 (22%)     max: 11325 Points
3DMark Vantage - 3DM Vant. Perf. CPU no Physx
min: 8589     avg: 8882     median: 8861 (8%)     max: 9216 Points
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

Add one or more devices and compare

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Reviews for the Intel Core i7-640M processor

 

Review Dell Latitude E5410 Notebook

Standard 2.0 After first taking a look at the larger E5510, we now review the 14-incher E5410 with identical internals. Find out in the following review how i...
Intel Core i7-640M | Intel Graphics Media Accelerator (GMA) HD Graphics | 14.10" | 2.6 kg
 

Review Dell Latitude E5510 Notebook

Standard. That's how Dell describes its Latitude E5xxx series. Listed here are solide, fully-fledged business laptops which, among other things, are distingui...
Intel Core i7-640M | Intel Graphics Media Accelerator (GMA) HD Graphics | 15.60" | 2.6 kg
 

Review Sony Vaio VPC-Z13Z9E (i7, FHD, Quad-SSD) subnotebook

Flash-giant meets color-collosus. The Z13 has four SSD-memories on board, together with 256 GB of capacity. In the Raid 0, these ensure for flow-rates which wou...
Intel Core i7-640M | NVIDIA GeForce GT 330M | 13.10" | 1.4 kg
 

Review Acer Aspire 4820TG (i7/HD 6550) Notebook

Radeon Update. Acer equips the luxury version of its TimelineX with a 160 GB Intel SSD, a Core i7 and a brand new Radeon HD 6550. Will the 14 inch notebook add ...
Intel Core i7-640M | AMD Radeon HD 6550M | 14.10" | 2.1 kg
 

Review Schenker XMG P500 PRO Gaming Notebook

Extreme Gaming? The XMG P500 Pro from Schenker wants to impress with strong gaming performance by means of a Core i7 640M CPU and Nvidia GeForce GTX 460M graphi...
Intel Core i7-640M | NVIDIA GeForce GTX 460M | 15.60" | 3.5 kg

Dell Latitude E5410 (Core i7 640M, GMA HD): Intel Graphics Media Accelerator (GMA) HD Graphics, 14.10", 2.6 kg
  External Review » Dell Latitude E5410 (Core i7 640M, GMA HD)

Dell Latitude E5510 (GMA HD, i7 640M): Intel Graphics Media Accelerator (GMA) HD Graphics, 15.60", 2.6 kg
  External Review » Dell Latitude E5510 (GMA HD, i7 640M)

Sony Vaio VPC-Z13Z9E: NVIDIA GeForce GT 330M, 13.10", 1.4 kg
  External Review » Sony Vaio VPC-Z13Z9E

Acer Aspire 4820TG-644G16Mnks: AMD Radeon HD 6550M, 14.10", 2.1 kg
  External Review » Acer Aspire 4820TG-644G16Mnks

Acer TravelMate 6594G-644G50Mi : ATI Mobility Radeon HD 5650, 15.60", 2.7 kg
  External Review » Acer TravelMate 6594G-644G50Mi

Compal NBLB2: ATI Mobility Radeon HD 5650, 15.60", 2.7 kg
  External Review » Compal NBLB2

SCHENKER XMG P500 PRO: NVIDIA GeForce GTX 460M, 15.60", 3.5 kg
  External Review » mySN XMG P500 PRO

Clevo B5130M: NVIDIA GeForce GT 425M, 15.60", 2.6 kg
  External Review » Clevo B5130M

Micro Express NBL 5100 : NVIDIA GeForce GT 330M, 15.60", 3.3 kg
  External Review » Micro Express NBL 5100

Sony Vaio VPC-Z13Z9E/X: NVIDIA GeForce GT 330M, 13.10", 1.4 kg
  External Review » Sony Vaio VPC-Z13Z9E/X

SCHENKER XMG P500: NVIDIA GeForce GTX 460M, 15.60", 3.3 kg
  External Review » mySN XMG P500

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» Mobile CPU Comparison
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» 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
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» 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
- MediaTek Kompanio 1300T
   8x 2 GHz - 2.6 GHz
- Intel Core i7-8500Y
   2x 1.5 GHz - 4.2 GHz
- Intel Core i5-2540M
   2x 2.6 GHz - 3.3 GHz
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Notebook Processors > Intel Core i7 > Intel Core i7 640M Notebook Processor
Klaus Hinum, 2010-09-13 (Update: 2012-05-26)