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Product comparison · 2 laptops

Dell 15 (3521) vs Dell 17R (5721)

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  • 144specifications compared
  • 35differ
  • 109identical
  • 22known for one product only

Key differences

  • Product colour
    • Black
    • Silver
  • Display diagonal
    • 39.6 cm (15.6")
    • 43.9 cm (17.3")
  • Display resolution
    • 1366 x 768 pixels
    • 1600 x 900 pixels
  • HD type
    • HD
    • HD+
  • Processor family
    • Intel® Pentium®
    • Intel® Core™ i5
  • Processor model
    • 2117U
    • i5-3337U
  • Processor threads
    • 2
    • 4
  • Processor cache
    • 2 MB
    • 3 MB

Side by side

Differences highlightedShow differences only
166 specifications
A

Dell

15 (3521)View product
B

Dell

17R (5721)View product
Design1 differ
Product colourDiffersBlackSilver
Display3 differ
Display diagonalDiffers39.6 cm (15.6")43.9 cm (17.3")
Display resolutionDiffers1366 x 768 pixels1600 x 900 pixels
TouchscreenKnown for oneNo
HD typeDiffersHDHD+
Processor6 differ
Processor familyDiffersIntel® Pentium®Intel® Core™ i5
Processor generationKnown for one3rd gen Intel® Core™ i5
Processor modelDiffers2117Ui5-3337U
Processor threadsDiffers24
Processor boost frequencyKnown for one2.7 GHz
Processor cacheDiffers2 MB3 MB
Processor seriesDiffersIntel Pentium 2000 series for MobileIntel Core i5-3300 Mobile series
SteppingDiffersP0L1
Memory1 differ
Internal memoryDiffers4 GB8 GB
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryKnown for one8 GB
Storageidentical
Card reader integratedKnown for oneYes
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MMC+, MS PRO, MSXC, 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 modelDiffersIntel® HD GraphicsIntel® HD Graphics 4000
On-board graphics card dynamic frequency (max)Differs1000 MHz1100 MHz
On-board graphics card IDKnown for one0x166
Network2 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one4G
4G standardKnown for oneWiMAX
Bluetooth versionKnown for one4.0
4G WiMAXDiffersNoYes
Integrated 4G WiMAXDiffersNoYes
Processor special features15 differ
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Intel Identity Protection Technology versionKnown for one1.00
Intel Secure Key Technology versionKnown for one1.00
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel® Secure KeyKnown for oneYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers7146972055
Processor codeDiffersSR0VQSR0XL
Processor package sizeDiffers31 x 24 mm31 x 24 (BGA1023)
Supported instruction setsDiffersSSE4.1, SSE4.2AVX
Batteryidentical
Number of battery cellsKnown for one6
Battery capacityKnown for one65 Wh
Weight & dimensions5 differ
WeightDiffers2.25 kg2.73 kg
WidthDiffers376 mm412 mm
DepthDiffers259 mm270 mm
Height (front)Differs2.49 cm2.83 cm
Height (rear)Differs2.53 cm3.56 cm
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR

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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