Product comparison · 2 laptops

Lenovo ThinkPad T420s vs Lenovo W520 + 0A90205

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  • 13specifications compared
  • 8differ
  • 5identical
  • 129known for one product only

Key differences

  • Display diagonal
    • ThinkPad T420s:35.6 cm (14")
    • W520 + 0A90205:39.6 cm (15.6")
  • Display resolution
    • ThinkPad T420s:1600 x 900 pixels
    • W520 + 0A90205:1920 x 1080 pixels
  • HD type
    • ThinkPad T420s:HD+
    • W520 + 0A90205:Full HD
  • Processor cache
    • ThinkPad T420s:3 MB
    • W520 + 0A90205:8 MB
  • HDD capacity
    • ThinkPad T420s:320 GB
    • W520 + 0A90205:500 GB
  • Maximum resolution
    • ThinkPad T420s:1600 x 900 pixels
    • W520 + 0A90205:1920 x 1200 pixels
  • Weight
    • ThinkPad T420s:1.84 kg
    • W520 + 0A90205:2.7 kg
  • Depth
    • ThinkPad T420s:337 mm
    • W520 + 0A90205:245.1 mm

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Differences highlightedShow differences only (off)
Comparison of ThinkPad T420s, W520 + 0A90205
142 specifications
Designidentical
Product colourKnown for oneUnknown — not stated by the sourceBlack
Display3 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolutionDiffers1600 x 900 pixels1920 x 1080 pixels
HD typeDiffersHD+Full HD
LED backlightKnown for oneUnknown — not stated by the sourceYes
Native aspect ratioKnown for oneUnknown — not stated by the source16:9
Processor1 differ
Processor manufacturerKnown for oneUnknown — not stated by the sourceIntel
Processor familyKnown for oneUnknown — not stated by the sourceIntel® Core™ i7
Processor generationKnown for oneUnknown — not stated by the source2nd gen Intel® Core™ i7
Processor modelKnown for oneUnknown — not stated by the sourcei7-2820QM
Processor coresKnown for oneUnknown — not stated by the source4
Processor threadsKnown for oneUnknown — not stated by the source8
Processor boost frequencyKnown for oneUnknown — not stated by the source3.4 GHz
Processor frequencyKnown for oneUnknown — not stated by the source2.3 GHz
Processor cacheDiffers3 MB8 MB
Processor cache typeKnown for oneUnknown — not stated by the sourceSmart Cache
Processor front side bus1333 MHz1333 MHz
Processor socketKnown for oneUnknown — not stated by the sourceSocket 1224
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 i7-2800 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 sourceD2
Thermal Design Power (TDP)Known for oneUnknown — not stated by the source45 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 source23
ECC supported by processorKnown for oneUnknown — not stated by the sourceNo
Memoryidentical
Internal memoryKnown for oneUnknown — not stated by the source4 GB
Internal memory typeKnown for oneUnknown — not stated by the sourceDDR3-SDRAM
Memory clock speed1333 MHz1333 MHz
Memory slotsKnown for oneUnknown — not stated by the source4x SO-DIMM
Maximum internal memoryKnown for oneUnknown — not stated by the source32 GB
Storage1 differ
Total storage capacityKnown for oneUnknown — not stated by the source500 GB
Number of HDDs installedKnown for oneUnknown — not stated by the source1
HDD capacityDiffers320 GB500 GB
HDD interfaceSATASATA
HDD speedKnown for oneUnknown — not stated by the source7200 RPM
Optical drive typeKnown for oneUnknown — not stated by the sourceDVD-ROM
Graphics1 differ
On-board graphics cardKnown for oneUnknown — not stated by the sourceYes
Discrete graphics cardKnown for oneUnknown — not stated by the sourceYes
Discrete graphics card modelKnown for oneUnknown — not stated by the sourceNVIDIA® Quadro® 2000M
Graphics card familyKnown for oneUnknown — not stated by the sourceNVIDIA
On-board graphics card familyKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
On-board graphics card modelKnown for oneUnknown — not stated by the sourceIntel® 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
Maximum resolutionDiffers1600 x 900 pixels1920 x 1200 pixels
Networkidentical
Wi-FiKnown for oneUnknown — not stated by the sourceYes
Wireless technologyKnown for oneUnknown — not stated by the sourceWi-Fi
Ethernet LANKnown for oneUnknown — not stated by the sourceYes
BluetoothKnown for oneUnknown — not stated by the sourceNo
Integrated 4G WiMAXKnown for oneUnknown — not stated by the sourceYes
Ports & interfacesidentical
USB 2.0 ports quantityKnown for oneUnknown — not stated by the source1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for oneUnknown — not stated by the source2
eSATA/USB 2.0 ports quantityKnown for oneUnknown — not stated by the source1
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for oneUnknown — not stated by the source0
eSATA ports quantityKnown for oneUnknown — not stated by the source0
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source1
HDMI ports quantityKnown for oneUnknown — not stated by the source0
DisplayPorts quantityKnown for oneUnknown — not stated by the source1
DVI portKnown for oneUnknown — not stated by the sourceNo
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source1
Firewire (IEEE 1394) portsKnown for oneUnknown — not stated by the source0
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
Headphone outputsKnown for oneUnknown — not stated by the source1
S/PDIF out portKnown for oneUnknown — not stated by the sourceNo
Microphone inKnown for oneUnknown — not stated by the sourceYes
Docking connectorKnown for oneUnknown — not stated by the sourceYes
ExpressCard slotKnown for oneUnknown — not stated by the sourceNo
CardBus PCMCIA slots quantityKnown for oneUnknown — not stated by the source0
CardBus PCMCIA slot typeKnown for oneUnknown — not stated by the sourceNo
TV-outKnown for oneUnknown — not stated by the sourceNo
Keyboardidentical
Pointing deviceKnown for oneUnknown — not stated by the sourceThinkPad UltraNav
Softwareidentical
Operating system installedKnown for oneUnknown — not stated by the sourceWindows 7 Professional
Operating system architectureKnown for oneUnknown — not stated by the source64-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 sourceYes
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 sourceYes
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® Turbo Boost TechnologyKnown for oneUnknown — not stated by the source2.0
Processor ARK IDKnown for oneUnknown — not stated by the source52227
Processor codeKnown for oneUnknown — not stated by the sourceSR00U
Processor package sizeKnown for oneUnknown — not stated by the source37.5 x 37.5 (rPGA988B); 31.0 x 24.0 (BGA1224)
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
Batteryidentical
Number of battery cellsKnown for oneUnknown — not stated by the source9
Battery life (max)Known for oneUnknown — not stated by the source9 h
Battery voltageKnown for one11.1 VUnknown — not stated by the source
Poweridentical
DC-in jackKnown for oneUnknown — not stated by the sourceYes
AC adapter powerKnown for one65 WUnknown — not stated by the source
Securityidentical
Cable lock slotKnown for oneUnknown — not stated by the sourceNo
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
Certificatesidentical
CertificationKnown for oneUnknown — not stated by the sourceISV
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceENERGY STAR
Weight & dimensions2 differ
WeightDiffers1.84 kg2.7 kg
WidthKnown for oneUnknown — not stated by the source372.8 mm
DepthDiffers337 mm245.1 mm
Height (front)Known for oneUnknown — not stated by the source3.18 cm
Height (rear)Known for oneUnknown — not stated by the source3.56 cm
HeightKnown for one21.2 mmUnknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Infrared data portNoNo
Intel segment taggingKnown for oneUnknown — not stated by the sourceProfessional
Supplied AC adapter typeACAC
Indication lightKnown for oneYesUnknown — not stated by the source
Plug and PlayKnown for oneYesUnknown — not stated by the source
Audioidentical
Number of built-in speakersKnown for one2Unknown — not stated by the source
Speaker powerKnown for one1 WUnknown — 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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