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

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

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

 

Essentials
Processor Number i7-3820QM i7-3720QM
Launch Date Q2’12 Q2’12
# of Cores 4 4
# of Threads 8 8
Cache 8.0 MB 6.0 MB
Clock Speed 2.70 GHz 2.60 GHz
Max Turbo Frequency 3.70 GHz 3.60 GHz
Bus/Core Ratio 27 26
Bus Type DMI DMI
Instruction Set 64-bit 64-bit
Instruction Set Extensions AVX AVX
Lithography 22 nm 22 nm
Max TDP 45 45

 

 

Memory Specifications
Max Memory Size (dependent on memory type) 32 GB 32 GB
Memory Types DDR3/L/-RS 1333/1600 DDR3/L/-RS 1333/1600
# of Memory Channels 2 2
Max Memory Bandwidth 25.6 25.6

 

 

Graphics Specifications
Processor Graphics Yes Yes
Graphics Base Frequency 650 MHz 650 MHz
Graphics Max Dynamic Frequency 1.25 GHz 1.25 GHz
Intel® Quick Sync Video Yes Yes
Intel® InTru™ 3D Technology Yes Yes
Intel® Wireless Display Yes Yes
Intel® Flexible Display Interface (Intel® FDI) Yes Yes
Intel® Clear Video HD Technology Yes Yes
Dual Display Capable Yes Yes

 

 

Expansion Options
PCI Express Revision 3.0 3.0
# of PCI Express Lanes 1 1
PCI Express Configurations 1×16, 2×8, 1×8 2×4 1×16, 2×8, 1×8 2×4

 

 

Package Specifications
Max CPU Configuration 1 1
Package Size 37.5 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 Lithography 22 nm 22 nm

 

 

Advanced Technologies
Intel® Hyper-Threading Technology Yes Yes
Intel® Turbo Boost Technology 2.0 2.0
Intel® Virtualization Technology for Directed I/O (VT-d) Yes Yes
Intel® Trusted Execution Technology Yes Yes
Intel® 64 Yes Yes
Intel® Demand Based Switching No No
Idle States Yes Yes
Enhanced Intel SpeedStep® Technology Yes Yes
Thermal Monitoring Technologies Yes Yes
Execute Disable Bit Yes Yes

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