6 Replies Latest reply on Dec 29, 2012 1:18 AM by mbrjazz

    Does 2 mb cache difference mean a lot in a laptop processor?

    mbrjazz

      Hi

      I'm looking at to laptops - one with Intel Core i7-3820QM 2,7 GHz Quad Core & one with Intel Core i7-3720QM 2,6 GHz.

       

      The only difference in the specs acording to Intel comparison chart is this - does the differences have a great significance?

      There is a price difference on the two systems, they are build into!

       

      Thanks for any answers

       


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      Rows with differences are highlighted

      3rd Generation Intel® Core™ i7 Processors3rd Generation Intel® Core™ i7 Processors

      3rd Generation Intel® Core™ i7 Processors3rd Generation Intel® Core™ i7 Processors




       

      Essentials
      Processor Numberi7-3820QMi7-3720QM


      Launch DateQ2'12Q2'12


      # of Cores44


      # of Threads88


      Cache8.0 MB6.0 MB


      Clock Speed2.70 GHz2.60 GHz


      Max Turbo Frequency3.70 GHz3.60 GHz


      Bus/Core Ratio2726


      Bus TypeDMIDMI


      Instruction Set64-bit64-bit


      Instruction Set ExtensionsAVXAVX


      Lithography22 nm22 nm


      Max TDP4545


       

       

      Memory Specifications
      Max Memory Size (dependent on memory type)32 GB32 GB


      Memory TypesDDR3/L/-RS 1333/1600DDR3/L/-RS 1333/1600


      # of Memory Channels22


      Max Memory Bandwidth25.625.6


       

       

      Graphics Specifications
      Processor GraphicsYesYes


      Graphics Base Frequency650 MHz650 MHz


      Graphics Max Dynamic Frequency1.25 GHz1.25 GHz


      Intel® Quick Sync VideoYesYes


      Intel® InTru™ 3D TechnologyYesYes


      Intel® Wireless DisplayYesYes


      Intel® Flexible Display Interface (Intel® FDI)YesYes


      Intel® Clear Video HD TechnologyYesYes


      Dual Display CapableYesYes


       

       

      Expansion Options
      PCI Express Revision3.03.0


      # of PCI Express Lanes11


      PCI Express Configurations1x16, 2x8, 1x8 2x41x16, 2x8, 1x8 2x4


       

       

      Package Specifications
      Max CPU Configuration11


      Package Size37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1224)37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1224)


      Graphics and IMC Lithography22 nm22 nm


       

       

      Advanced Technologies
      Intel® Hyper-Threading TechnologyYesYes


      Intel® Turbo Boost Technology2.02.0


      Intel® Virtualization Technology for Directed I/O (VT-d)YesYes


      Intel® Trusted Execution TechnologyYesYes


      Intel® 64YesYes


      Intel® Demand Based SwitchingNoNo


      Idle StatesYesYes


      Enhanced Intel SpeedStep® TechnologyYesYes


      Thermal Monitoring TechnologiesYesYes


      Execute Disable BitYesYes