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Product comparison · 2 laptops

ASUS Zenbook UX21E-KX008V-BE laptop Intel® Core™ i7 i7-2677M vs Lenovo L520 + 433610W

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  • 121specifications compared
  • 45differ
  • 76identical
  • 40known for one product only

Key differences

  • Display diagonal
    • 29.5 cm (11.6")
    • 39.6 cm (15.6")
  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 2nd gen Intel® Core™ i7
    • 2nd gen Intel® Core™ i5
  • Processor model
    • i7-2677M
    • i5-2450M
  • Processor boost frequency
    • 2.9 GHz
    • 3.1 GHz
  • Processor frequency
    • 1.8 GHz
    • 2.5 GHz
  • Processor cache
    • 4 MB
    • 3 MB

Side by side

Differences highlightedShow differences only
161 specifications
A

ASUS

Zenbook UX21E-KX008V-BE laptop Intel® Core™ i7 i7-2677M

Model UX21E-KX008V-BE

View product
B

Lenovo

L520 + 433610WView product
Designidentical
Product colourKnown for oneAluminium, Metallic
Form factorKnown for oneClamshell
Housing materialKnown for oneAluminium, Metal
Display2 differ
Display diagonalDiffers29.5 cm (11.6")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
LED backlightYesYes
Native aspect ratio16:916:9
HD typeKnown for oneHD+
Display brightnessKnown for one220 cd/m²
Contrast ratio (typical)Known for one500:1
Processor11 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers2nd gen Intel® Core™ i72nd gen Intel® Core™ i5
Processor modelDiffersi7-2677Mi5-2450M
Processor cores22
Processor threads44
Processor boost frequencyDiffers2.9 GHz3.1 GHz
Processor frequencyDiffers1.8 GHz2.5 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers4 MB3 MB
Processor cache typeDiffersL3Smart Cache
Processor socketKnown for oneBGA 1023
Processor lithography32 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-2600 Mobile SeriesIntel Core i5-2400 Mobile Series
Processor codenameSandy BridgeSandy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingJ1J1
Thermal Design Power (TDP)Differs17 W35 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs1825
ECC supported by processorNoNo
Memoryidentical
Internal memory4 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1333 MHz1333 MHz
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryKnown for one8 GB
Storage4 differ
Total storage capacityDiffers128 GB500 GB
Storage mediaDiffersSSDHDD
SSD capacityKnown for one128 GB
SSD interfaceKnown for oneSATA III
Optical drive typeDiffersNoDVD±RW
Card reader integratedDiffersNoYes
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Compatible memory cardsKnown for oneMMC, SD, SDHC, SDXC
Graphics2 differ
On-board graphics cardYesYes
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
Graphics card familyIntelIntel
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 frequencyDiffers350 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs1200 MHz1300 MHz
On-board graphics card ID0x1160x116
Audio1 differ
Audio systemDiffersSonicMasterHigh Definition Audio
Built-in microphoneYesYes
Number of built-in speakersKnown for one2
Speaker powerKnown for one1.5 W
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MP
Optical driveidentical
LightScribeKnown for oneNo
Network2 differ
Wi-FiYesYes
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffersNoYes
BluetoothYesYes
Bluetooth versionDiffers4.03.0+HS
Integrated 4G WiMAXYesYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers13
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one1
eSATA/USB 2.0 ports quantityDiffers01
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityKnown for one0
Ethernet LAN (RJ-45) portsDiffers01
HDMI ports quantityKnown for one0
DisplayPorts quantityDiffers01
DVI portNoNo
VGA (D-Sub) ports quantityDiffers01
Firewire (IEEE 1394) portsKnown for one0
Thunderbolt ports quantityKnown for one0
Micro HDMI ports quantityKnown for one1
Mini VGA ports quantityKnown for one1
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorDiffersNoYes
ExpressCard slotDiffersNoYes
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
TV-outNoNo
Performance1 differ
Motherboard chipsetDiffersIntel QS67 ExpressIntel® HM65 Express
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Numeric keypadNoNo
Keyboard layoutKnown for oneAZERTY
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Operating system architecture64-bit64-bit
Processor special features4 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 TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
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® Turbo Boost Technology2.02.0
Processor ARK IDDiffers5461753452
Processor package sizeDiffers31.0 x 24.0 (BGA1023)37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorNoNo
Intel® Smart CacheKnown for oneYes
Processor codeKnown for oneSR04Z
Battery2 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Battery capacityKnown for one35 Wh
Battery life (max)Differs5 h6.6 h
Number of battery cellsKnown for one6
Poweridentical
AC adapter powerKnown for one45 W
AC adapter frequencyKnown for one50 - 60 Hz
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersNoYes
Fingerprint readerKnown for oneYes
Weight & dimensions5 differ
WeightDiffers1.1 kg2.61 kg
WidthDiffers299 mm380 mm
DepthDiffers196 mm247 mm
Height (front)Differs3 mm3.2 cm
Height (rear)Differs1.7 cm3.6 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Other features1 differ
Infrared data portNoNo
Power requirementsKnown for one100 - 240 V AC
Intel segment taggingDiffersEnterpriseHome office, Small Business
Supplied AC adapter typeKnown for oneAC

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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