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Product comparison · 2 laptops

Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM vs Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64

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  • 118specifications compared
  • 55differ
  • 63identical
  • 28known for one product only

Key differences

The Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM has 2 more processor cores than the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 (4 vs 2). The Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM has 4 more processor threads than the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 (8 vs 4). The Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has 0.13 GHz more processor boost frequency than the Dell E6510-M311BE laptop Intel® Core™ i7 i7-720QM (2.93 GHz vs 2.8 GHz). Only the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has on-board graphics card. Only the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has SmartCard slot.

  • Display diagonal
    • 39.6 cm (15.6")
    • 30.7 cm (12.1")
  • Display resolution
    • 1600 x 900 pixels
    • 1280 x 800 pixels
  • Native aspect ratio
    • 16:9
    • 16:10
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor model
    • i7-720QM
    • i5-520M
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 8
    • 4

Side by side

Differences highlightedShow differences only
146 specifications
A

Dell

E6510-M311BE laptop Intel® Core™ i7 i7-720QM

Model E6510-M311BE

View product
B

Lenovo

THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64View product
Display3 differ
Display diagonalDiffers39.6 cm (15.6")30.7 cm (12.1")
Display resolutionDiffers1600 x 900 pixels1280 x 800 pixels
Native aspect ratioDiffers16:916:10
Dual-screenKnown for oneNo
HD typeKnown for oneHD+
Processor19 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffersIntel® Core™ i7Intel® Core™ i5
Processor modelDiffersi7-720QMi5-520M
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers2.8 GHz2.93 GHz
Processor frequencyDiffers1.6 GHz2.4 GHz
Processor cacheDiffers6 MB3 MB
Processor socketDiffersSocket 988BGA 956
Processor lithographyDiffers45 nm32 nm
Processor seriesDiffersIntel Core i7-700 Mobile SeriesIntel Core i5-500 Mobile Series
Processor codenameDiffersClarksfieldArrandale
SteppingDiffersB1C2
Thermal Design Power (TDP)Differs45 W35 W
TjunctionDiffers100 °C105 °C
PCI Express configurationsDiffers1x16, 2x81x16
Number of Processing Die TransistorsDiffers774 M382 M
Processing Die sizeDiffers296 mm²81 mm²
CPU multiplier (bus/core ratio)Differs1218
Memoryidentical
Memory clock speedKnown for one1333 MHz
Memory layout (slots x size)Known for one2 x 2 GB
Storage2 differ
Total storage capacityDiffers500 GB128 GB
Optical drive typeDiffersDVD-RWNo
Compatible memory cardsKnown for oneMMC, SD, SDHC
HDD interfaceKnown for oneSATA
Graphics3 differ
On-board graphics cardDiffersNoYes
Graphics card familyDiffersNVIDIAIntel
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelDiffersNot availableIntel® HD Graphics
On-board graphics card base frequencyKnown for one500 MHz
On-board graphics card dynamic frequency (max)Known for one766 MHz
Maximum graphics card memoryKnown for one0.384 GB
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA Quadro HD 6310
Discrete graphics card memoryKnown for one0.512 GB
Audioidentical
Audio systemKnown for oneHigh Definition Audio
Networkidentical
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one3G
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers43
eSATA ports quantityDiffers10
Firewire (IEEE 1394) portsDiffers10
CardBus PCMCIA slots quantityDiffers10
CardBus PCMCIA slot typeDiffersType IINo
SmartCard slotDiffersNoYes
Modem (RJ-11) portsDiffers01
Performanceidentical
Motherboard chipsetKnown for oneIntel® QM57 Express
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Softwareidentical
Optional operating system suppliedKnown for oneWindows XP Professional
Processor special features13 differ
Embedded options availableDiffersNoYes
Graphics & IMC lithographyKnown for one45 nm
Intel Clear Video TechnologyDiffersNoYes
Intel Dual Display Capable TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Physical Address Extension (PAE)DiffersYes36 bit
Processor ARK IDDiffers4312247341
Processor package sizeDiffers37.5 x 37.5 mmrPGA 37.5x 37.5, BGA 34x28
Supported instruction setsDiffersSSE4.2SSE4.1/4.2
Intel® Smart CacheKnown for oneYes
Processor codeKnown for oneSLBLY
Poweridentical
AC adapter powerKnown for one60 W
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneIBM
Fingerprint readerKnown for oneYes
HDD user passwordKnown for oneYes
Weight & dimensions5 differ
WeightDiffers2.51 kg1.44 kg
WidthDiffers374.3 mm295 mm
DepthDiffers253.3 mm210 mm
Height (front)Differs2.71 cm2.07 cm
Height (rear)Differs3.35 cm3.53 cm
Other features1 differ
Internal modemDiffersNoYes
Modem speedKnown for one56 Kbit/s
Modem typeKnown for oneV.92

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