Product comparison · 2 laptops

Lenovo Edge E325 + 55Y3710 vs Lenovo T520 + 55Y3711

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  • 69specifications compared
  • 30differ
  • 39identical
  • 79known for one product only

Key differences

  • Display diagonal
    • Edge E325 + 55Y3710:33.8 cm (13.3")
    • T520 + 55Y3711:39.6 cm (15.6")
  • Display resolution
    • Edge E325 + 55Y3710:1366 x 768 pixels
    • T520 + 55Y3711:1600 x 900 pixels
  • Display brightness
    • Edge E325 + 55Y3710:200 cd/m²
    • T520 + 55Y3711:220 cd/m²
  • Contrast ratio (typical)
    • Edge E325 + 55Y3710:400:1
    • T520 + 55Y3711:500:1
  • Processor manufacturer
    • Edge E325 + 55Y3710:AMD
    • T520 + 55Y3711:Intel
  • Processor family
    • Edge E325 + 55Y3710:AMD E
    • T520 + 55Y3711:Intel® Core™ i5
  • Processor model
    • Edge E325 + 55Y3710:E-450
    • T520 + 55Y3711:i5-2450M
  • Processor cache
    • Edge E325 + 55Y3710:1 MB
    • T520 + 55Y3711:3 MB

Side by side

Differences highlightedShow differences only (off)
Comparison of Edge E325 + 55Y3710, T520 + 55Y3711
148 specifications
Display4 differ
Display diagonalDiffers33.8 cm (13.3")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
HD typeKnown for oneUnknown — not stated by the sourceHD+
LED backlightYesYes
Native aspect ratio16:916:9
Display brightnessDiffers200 cd/m²220 cd/m²
Contrast ratio (typical)Differs400:1500:1
Processor5 differ
Processor manufacturerDiffersAMDIntel
Processor familyDiffersAMD EIntel® Core™ i5
Processor generationKnown for oneUnknown — not stated by the source2nd gen Intel® Core™ i5
Processor modelDiffersE-450i5-2450M
Processor coresKnown for oneUnknown — not stated by the source2
Processor threadsKnown for oneUnknown — not stated by the source4
Processor boost frequencyKnown for oneUnknown — not stated by the source3.1 GHz
Processor frequencyKnown for oneUnknown — not stated by the source2.5 GHz
System bus rateKnown for oneUnknown — not stated by the source5 GT/s
Processor cacheDiffers1 MB3 MB
Processor cache typeDiffersL2Smart Cache
Processor lithographyKnown for oneUnknown — not stated by the source32 nm
Processor operating modesKnown for oneUnknown — not stated by the source64-bit
Processor seriesKnown for oneUnknown — not stated by the sourceIntel Core i5-2400 Mobile Series
Processor codenameKnown for oneUnknown — not stated by the sourceSandy Bridge
Bus typeKnown for oneUnknown — not stated by the sourceDMI
FSB ParityKnown for oneUnknown — not stated by the sourceNo
SteppingKnown for oneUnknown — not stated by the sourceJ1
Thermal Design Power (TDP)Known for oneUnknown — not stated by the source35 W
TjunctionKnown for oneUnknown — not stated by the source100 °C
Maximum number of PCI Express lanesKnown for oneUnknown — not stated by the source16
PCI Express configurationsKnown for oneUnknown — not stated by the source1x16, 2x8, 1x8+2x4
PCI Express slots versionKnown for oneUnknown — not stated by the source2.0
CPU multiplier (bus/core ratio)Known for oneUnknown — not stated by the source25
ECC supported by processorKnown for oneUnknown — not stated by the sourceNo
Memory1 differ
Internal memoryDiffers2 GB4 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1333 MHz1333 MHz
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memory8 GB8 GB
Memory layout (slots x size)Known for one1 x 2 GBUnknown — not stated by the source
Storage3 differ
Total storage capacityDiffers320 GB500 GB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacityKnown for oneUnknown — not stated by the source500 GB
HDD interfaceSATASATA
HDD speedDiffers5400 RPM7200 RPM
Optical drive typeDiffersNoDVD±RW
Card reader integratedYesYes
Compatible memory cardsMMC, SD, SDHC, SDXCMMC, SD, SDHC, SDXC
Graphics3 differ
On-board graphics cardYesYes
Graphics card familyDiffersAMDIntel, NVIDIA
On-board graphics card familyDiffersAMD Radeon HD 6000Intel® HD Graphics
On-board graphics card modelDiffersAMD Radeon HD 6320Intel® HD Graphics 3000
On-board graphics card base frequencyKnown for oneUnknown — not stated by the source650 MHz
On-board graphics card dynamic frequency (max)Known for oneUnknown — not stated by the source1300 MHz
On-board graphics card IDKnown for oneUnknown — not stated by the source0x116
Discrete graphics cardKnown for oneNoUnknown — not stated by the source
Discrete graphics card modelKnown for oneNot availableUnknown — not stated by the source
Audio1 differ
Audio systemHigh Definition AudioHigh Definition Audio
Number of built-in speakers22
Speaker powerDiffers2 W1 W
Built-in microphoneYesYes
Network1 differ
Mobile network connectionKnown for oneUnknown — not stated by the sourceYes
Mobile network generationKnown for oneUnknown — not stated by the source3G
Wi-FiYesYes
Wi-Fi standardsDiffers802.11a, 802.11b, 802.11g802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version3.0+HS3.0+HS
Integrated 4G WiMAXKnown for oneUnknown — not stated by the sourceYes
Cabling technologyKnown for one10/100/1000Base-T(X)Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers23
eSATA/USB 2.0 ports quantity11
Ethernet LAN (RJ-45) ports11
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsKnown for oneUnknown — not stated by the source1
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorDiffersNoYes
ExpressCard slotDiffersNoYes
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotDiffersYesNo
TV-outNoNo
HDMI ports quantityKnown for one1Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffersAMD A50MIntel® QM67 Express
Keyboardidentical
Pointing deviceThinkPad UltraNavThinkPad UltraNav
Numeric keypadNoNo
Keyboard layoutQWERTYQWERTY
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 7 Professional
Operating system architecture64-bit64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneUnknown — not stated by the sourceYes
CPU configuration (max)Known for oneUnknown — not stated by the source1
Embedded options availableKnown for oneUnknown — not stated by the sourceNo
Enhanced Intel SpeedStep TechnologyKnown for oneUnknown — not stated by the sourceYes
Execute Disable BitKnown for oneUnknown — not stated by the sourceYes
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source32 nm
Idle StatesKnown for oneUnknown — not stated by the sourceYes
Intel 64Known for oneUnknown — not stated by the sourceYes
Intel Clear Video TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Demand Based SwitchingKnown for oneUnknown — not stated by the sourceNo
Intel Dual Display Capable TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Enhanced Halt StateKnown for oneUnknown — not stated by the sourceYes
Intel FDI TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Fast Memory AccessKnown for oneUnknown — not stated by the sourceYes
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceYes
Intel Identity Protection Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Rapid Storage TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Trusted Execution TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel VT-x with Extended Page Tables (EPT)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology (VT-x)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneUnknown — not stated by the sourceNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneUnknown — not stated by the sourceYes
Intel® Anti-Theft Technology (Intel® AT)Known for oneUnknown — not stated by the sourceYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneUnknown — not stated by the sourceYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneUnknown — not stated by the sourceNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneUnknown — not stated by the sourceYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneUnknown — not stated by the sourceYes
Intel® InTru™ 3D TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Insider™Known for oneUnknown — not stated by the sourceYes
Intel® My WiFi Technology (Intel® MWT)Known for oneUnknown — not stated by the sourceYes
Intel® Quick Sync Video TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Intel® Turbo Boost TechnologyKnown for oneUnknown — not stated by the source2.0
Processor ARK IDKnown for oneUnknown — not stated by the source53452
Processor codeKnown for oneUnknown — not stated by the sourceSR04Z
Processor package sizeKnown for oneUnknown — not stated by the source37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsKnown for oneUnknown — not stated by the sourceAVX
Thermal Monitoring TechnologiesKnown for oneUnknown — not stated by the sourceYes
Conflict-Free processorKnown for oneUnknown — not stated by the sourceNo
Battery1 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells66
Battery life (max)Differs6.2 h8.4 h
Poweridentical
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneIBMUnknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers1.79 kg2.57 kg
WidthDiffers322 mm372.8 mm
DepthDiffers228 mm245.1 mm
Height (front)Differs2.67 cm3.18 cm
Height (rear)Differs3.09 cm3.56 cm
Other featuresidentical
Infrared data portNoNo
Intel segment taggingHome office, Small BusinessHome office, Small Business
Designidentical
Product colourKnown for oneRedUnknown — not stated by the source
Optical driveidentical
LightScribeKnown for oneNoUnknown — not stated by the source

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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