Product comparison · 2 laptops

LG A series A540-DE40K laptop Intel® Core™ i5 i5-2450M vs LG A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM

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  • 145specifications compared
  • 19differ
  • 126identical
  • 6known for one product only

Key differences

  • Processor family
    • A series A540-DE40K laptop Intel® Core™ i5 i5-2450M:Intel® Core™ i5
    • A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM:Intel® Core™ i7
  • Processor generation
    • A series A540-DE40K laptop Intel® Core™ i5 i5-2450M:2nd gen Intel® Core™ i5
    • A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM:2nd gen Intel® Core™ i7
  • Processor model
    • A series A540-DE40K laptop Intel® Core™ i5 i5-2450M:i5-2450M
    • A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM:i7-2670QM
  • Processor cores
    • A series A540-DE40K laptop Intel® Core™ i5 i5-2450M:2
    • A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM:4
  • Processor threads
    • A series A540-DE40K laptop Intel® Core™ i5 i5-2450M:4
    • A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM:8
  • Processor frequency
    • A series A540-DE40K laptop Intel® Core™ i5 i5-2450M:2.5 GHz
    • A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM:2.2 GHz
  • Processor cache
    • A series A540-DE40K laptop Intel® Core™ i5 i5-2450M:3 MB
    • A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM:6 MB
  • Stepping
    • A series A540-DE40K laptop Intel® Core™ i5 i5-2450M:J1
    • A series A540-PE50K laptop Intel® Core™ i7 i7-2670QM:D2

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Differences highlightedShow differences only (off)
Comparison of A540-DE40K, A540-PE50K
151 specifications
Designidentical
Product colourSilverSilver
Form factorClamshellClamshell
Displayidentical
Display diagonal39.6 cm (15.6")39.6 cm (15.6")
Display resolution1920 x 1080 pixels1920 x 1080 pixels
HD typeFull HDFull HD
LED backlightYesYes
Native aspect ratio16:916:9
Processor11 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers2nd gen Intel® Core™ i52nd gen Intel® Core™ i7
Processor modelDiffersi5-2450Mi7-2670QM
Processor coresDiffers24
Processor threadsDiffers48
Processor boost frequency3.1 GHz3.1 GHz
Processor frequencyDiffers2.5 GHz2.2 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers3 MB6 MB
Processor cache typeSmart CacheSmart Cache
Processor socketKnown for oneUnknown — not stated by the sourceBGA 1224
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i5-2400 Mobile SeriesIntel Core i7-2600 Mobile Series
Processor codenameSandy BridgeSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingDiffersJ1D2
Thermal Design Power (TDP)Differs35 W45 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurations1x16, 2x8, 1x8+2x41x16, 2x8, 1x8+2x4
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs2522
ECC supported by processorNoNo
Memoryidentical
Internal memory4 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1333 MHz1333 MHz
Memory layout (slots x size)1 x 4 GB1 x 4 GB
Storageidentical
Total storage capacity750 GB750 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacity750 GB750 GB
Number of SSDs installed00
Optical drive typeDVD Super Multi DLDVD Super Multi DL
Card reader integratedYesYes
Compatible memory cardsMemory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC, xDMemory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC, xD
Graphics1 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelNVIDIA® GeForce® GT 555MNVIDIA® GeForce® GT 555M
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
Graphics card familyIntel, NVIDIAIntel, NVIDIA
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 3000Intel® HD Graphics 3000
On-board graphics card base frequency650 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs1300 MHz1200 MHz
On-board graphics card ID0x1160x116
Number of discrete graphics cards11
NVIDIA Optimus technologyKnown for oneUnknown — not stated by the sourceYes
Audioidentical
Audio systemHDHD
Built-in speaker(s)YesYes
Built-in subwooferYesYes
Built-in microphoneYesYes
Cameraidentical
Front camera resolution (numeric)Known for oneUnknown — not stated by the source1.3 MP
Networkidentical
Wi-FiYesYes
Networking featuresGigabit Ethernet, WLANGigabit Ethernet, WLAN
Wi-Fi standards802.11a, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11g, Wi-Fi 4 (802.11n)
Wi-Fi data rate (max)300 Mbit/s300 Mbit/s
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothNoNo
Cabling technology10/100/1000Base-T(X)10/100/1000Base-T(X)
Integrated 4G WiMAXYesYes
Ports & interfacesidentical
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity11
eSATA/USB 2.0 ports quantity00
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorKnown for oneUnknown — not stated by the sourceNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
TV-outNoNo
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadYesYes
Windows keysYesYes
Keyboard number of keysKnown for one99Unknown — not stated by the source
Software1 differ
Operating system installedDiffersWindows 7 Home BasicWindows 7 Home Premium
Operating system architecture64-bit64-bit
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography32 nm32 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Smart CacheYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers5345253470
Processor codeDiffersSR04ZSR02S
Processor package sizeDiffers37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)31 mm
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorNoNo
Batteryidentical
Number of battery cells66
Poweridentical
AC adapter power90 W90 W
DC-in jackYesYes
Securityidentical
Cable lock slotNoNo
Weight & dimensions3 differ
WeightDiffers2.63 kg2.4 kg
Width372 mm372 mm
Depth248 mm248 mm
Height (front)Differs3.3 cm3 cm
Height (rear)Differs3.8 cm3.5 cm
Packaging contentidentical
AC adapter includedYesYes
Other featuresidentical
Infrared data portNoNo
Compliance industry standardsIEEE 802.3, IEEE 802.3u, IEEE 802.3abIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Number of products included1 pc(s)1 pc(s)
Supplied AC adapter typeACAC

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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