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Product comparison · 2 laptops

Dell 17 (3721) vs Lenovo Edge E531

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  • 146specifications compared
  • 42differ
  • 104identical
  • 30known for one product only

Key differences

  • Display diagonal
    • 43.9 cm (17.3")
    • 39.6 cm (15.6")
  • Display resolution
    • 1600 x 900 pixels
    • 1366 x 768 pixels
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 3rd gen Intel® Core™ i7
    • 3rd gen Intel® Core™ i5
  • Processor model
    • i7-3537U
    • i5-3230M
  • Processor boost frequency
    • 3.1 GHz
    • 3.2 GHz
  • Processor frequency
    • 2 GHz
    • 2.6 GHz
  • Processor cache
    • 4 MB
    • 3 MB

Side by side

Differences highlightedShow differences only
176 specifications
A

Dell

17 (3721)View product
B

Lenovo

Edge E531View product
Display2 differ
Display diagonalDiffers43.9 cm (17.3")39.6 cm (15.6")
Display resolutionDiffers1600 x 900 pixels1366 x 768 pixels
HD typeKnown for oneHD+
Contrast ratio (typical)Known for one500:1
Processor11 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers3rd gen Intel® Core™ i73rd gen Intel® Core™ i5
Processor modelDiffersi7-3537Ui5-3230M
Processor boost frequencyDiffers3.1 GHz3.2 GHz
Processor frequencyDiffers2 GHz2.6 GHz
Processor cacheDiffers4 MB3 MB
Processor seriesDiffersIntel Core i7-3500 Mobile seriesIntel Core i5-3200 Mobile series
Thermal Design Power (TDP)Differs17 W35 W
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers2.03.0
CPU multiplier (bus/core ratio)Differs2026
Memory3 differ
Internal memoryDiffers8 GB4 GB
Memory form factorKnown for oneSO-DIMM
Memory layout (slots x size)Differs2 x 4 GB1 x 4 GB
Maximum internal memoryDiffers8 GB16 GB
Storage5 differ
Total storage capacityDiffers1 TB500 GB
HDD capacityDiffers1 TB500 GB
HDD speedDiffers5400 RPM7200 RPM
HDD sizeKnown for one2.5"
Optical drive typeDiffersDVD±RWDVD-RW
Compatible memory cardsDiffersMemory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXCMMC, SD, SDHC, SDXC
Graphics2 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneAMD Radeon HD 8730M
Discrete graphics card memoryKnown for one2 GB
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card base frequencyDiffers350 MHz650 MHz
On-board graphics card dynamic frequency (max)Differs1200 MHz1100 MHz
Audio1 differ
Audio systemDiffersWaves MaxxAudio 4HD
Speaker powerKnown for one2 W
Cameraidentical
Front camera resolution (numeric)Known for one1 MP
Front camera resolutionKnown for one1280 x 720 pixels
Network2 differ
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Cabling technologyDiffers10/100Base-T(X)10/100/1000Base-T(X)
Networking standardsKnown for oneIEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers21
HDMI versionKnown for one1.4a
Headphone outputsDiffers10
Microphone inDiffersYesNo
Docking connectorDiffersNoYes
ExpressCard slotKnown for oneNo
SmartCard slotKnown for oneNo
VGA (D-Sub) ports quantityKnown for one1
Performance1 differ
Motherboard chipsetDiffersIntel HM76 ExpressIntel HM77 Express
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Island-style keyboardKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Full-size keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 8 ProWindows 7 Professional
Recovery operating systemKnown for oneWindows 8 Pro
Processor special features4 differ
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® Small Business Advantage (Intel® SBA)DiffersNoYes
Processor ARK IDDiffers7205472056
Processor codeDiffersSR0XGSR0WX
Batteryidentical
Battery capacityKnown for one3000 mAh
Battery life (max)Known for one6 h
Poweridentical
AC adapter powerKnown for one65 W
Securityidentical
Cable lock slot typeKnown for oneKensington
Weight & dimensions5 differ
WeightDiffers2.74 kg2.46 kg
WidthDiffers412 mm377 mm
DepthDiffers270 mm250 mm
Height (front)Differs2.83 cm2.66 cm
Height (rear)Differs3.56 cm2.96 cm
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Other featuresidentical
QuantityKnown for one1
64-bit computingKnown for oneYes
Intel segment taggingKnown for oneHome office, Small Business

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