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

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