Intel Core i5-2540M versus Intel Core i7-660UE comparison chart
Edit this comparison chartIntel Core i5-2540MIntel Core i7-660UE
  • current rating is 3.47/5
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(15 ratings)
  • current rating is 2/5
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(5 ratings)
Integrated Graphics Yes Yes
Number of cores 2 2
L2 cache size 3072 KB 4096 KB
CPU Speed 2.6 GHz 1.33 GHz
L2 Cache Count 1 1
Processor Model i5-2540M i7-660UE
Maximum Memory Size Supported 8 GB 8 GB
Processor Family Core i5 Core i7
Manufacturing Technology 32 nm 32 nm
32 Bit Operating Mode No No
64 Bit Operating Mode Yes Yes
Intel Hyper-Threading Technology Yes Yes
Intel Virtualization Technology (VT-x) Yes Yes
Intel HD Graphics Yes Yes
Intel Virtualization Technology for Directed I/O (VT-d) Yes Yes
Intel HD Graphics with Dynamic Frequency Yes Yes
Intel Trusted Execution Technology Yes Yes
Number of threads 4 4
Graphics Base Frequency 650 MHz 166 MHz
AES New Instructions Yes Yes
Graphics Max Dynamic Frequency 1.3 GHz 500 MHz
Intel 64 Yes Yes
Tjunction 100 C 105°C
Intel Flexible Display Interface (Intel FDI) Yes Yes
Idle States Yes Yes
Intel Clear Video HD Technology Yes Yes
Enhanced Intel SpeedStep Technology Yes Yes
Maximum Memory Bandwidth 21.3 GB/s 12.8 GB/s
Dual Display Capable Yes Yes
Thermal Monitoring Technologies Yes Yes
Wattage 35 W 18 W
Macrovision* License Required No No
Intel Fast Memory Access Yes Yes
Number of Memory Channels 2 2
Status Announced Launched
PCI Express Revision 2.0 2.0
Intel Flex Memory Access Yes Yes
Maximum Turbo Frequency 3.3 GHz 2.4 GHz
Launch Date 02/20/2011 Q1'10
PCI Express Configurations 1x16, 2x8, 1x8+2x4 1X16, 2X8
# of PCI Express Ports 1 1
Execute Disable Bit Yes Yes
Bus/Core Ratio 26 8
Max CPU Configuration 1 1
Instruction Set Extensions AVX SSE 4.1, SSE 4.2
Package Size 37.5mm x 37,5mm (rPGA988B); 31mm x 24mm (BGA1023) BGA 34mmX28mm
Manufacturer Intel Intel
Embedded Options Available No Yes
Graphics and IMC Lithography 32 nm 45 nm
Memory Types DDR3-1066/1333 DDR3-800
Intel Turbo Boost Technology Yes Yes
For use in Notebooks Notebooks
ECC Memory Supported No Yes

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