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Product comparison · 2 laptops

Dell 14 (3420) vs Dell 15z (L511z)

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  • 150specifications compared
  • 54differ
  • 96identical
  • 29known for one product only

Key differences

  • Product colour
    • Black
    • Silver
  • Display diagonal
    • 35.6 cm (14")
    • 39.6 cm (15.6")
  • Display resolution
    • 1366 x 768 pixels
    • 1920 x 1080 pixels
  • HD type
    • HD
    • Full HD
  • Processor family
    • Intel® Core™ i3
    • Intel® Core™ i5
  • Processor generation
    • 3rd gen Intel® Core™ i3
    • 2nd gen Intel® Core™ i5
  • Processor model
    • i3-3110M
    • i5-2450M
  • Processor frequency
    • 2.4 GHz
    • 2.5 GHz

Side by side

Differences highlightedShow differences only
179 specifications
A

Dell

14 (3420)View product
B

Dell

15z (L511z)View product
Design1 differ
Product colourDiffersBlackSilver
Housing materialKnown for oneAluminium
Display3 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
HD typeDiffersHDFull HD
Contrast ratio (typical)Known for one300:1
Display diagonal (metric)Known for one35.6 cm
Processor10 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i5
Processor generationDiffers3rd gen Intel® Core™ i32nd gen Intel® Core™ i5
Processor modelDiffersi3-3110Mi5-2450M
Processor boost frequencyKnown for one3.1 GHz
Processor frequencyDiffers2.4 GHz2.5 GHz
Processor lithographyDiffers22 nm32 nm
Processor seriesDiffersIntel Core i3-3100 Mobile SeriesIntel Core i5-2400 Mobile Series
Processor codenameDiffersIvy BridgeSandy Bridge
SteppingDiffersL1J1
TjunctionDiffers90 °C100 °C
CPU multiplier (bus/core ratio)Differs2425
Processor socketKnown for oneBGA 1023
Memory4 differ
Internal memoryDiffers4 GB8 GB
Memory clock speedDiffers1600 MHz1333 MHz
Memory layout (slots x size)Differs1 x 4 GB2 x 4 GB
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memoryKnown for one8 GB
Storage1 differ
Compatible memory cardsDiffersMemory Stick (MS), MMC, SDMemory Stick (MS), MMC, MS PRO, MSXC, SD, SDHC, SDIO, SDXC, xD
Graphics6 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GT 525M
Discrete graphics card memoryKnown for one2 GB
Graphics card familyDiffersIntelIntel, NVIDIA
Discrete graphics memory typeKnown for oneGDDR3
On-board graphics card modelDiffersIntel® HD Graphics 4000Intel® HD Graphics 3000
On-board graphics card dynamic frequency (max)Differs1000 MHz1300 MHz
On-board graphics card IDDiffers0x1660x116
Number of discrete graphics cardsKnown for one1
Audio1 differ
Audio systemDiffersMaxxAudioMaxxAudio 3
Number of built-in speakersKnown for one2
Speaker powerKnown for one2 W
Camera1 differ
Front camera resolution (numeric)Differs1 MP1.3 MP
Network4 differ
Networking featuresDiffersFast Ethernet, WLANGigabit Ethernet, WLAN
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Cabling technologyDiffers10/100Base-T(X)10/100/1000Base-T(X)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers30
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers02
eSATA/USB 2.0 ports quantityDiffers01
HDMI versionKnown for one1.4
Mini DisplayPorts quantityKnown for one1
VGA (D-Sub) ports quantityDiffers10
Performance1 differ
Motherboard chipsetDiffersIntel® HM75 ExpressIntel HM67 Express
Keyboard1 differ
Pointing deviceDiffersTouchpadTouchpad + Accupoint
Keyboard backlitKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Full-size keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersFreeDOSWindows 7 Home Premium
Operating system architectureKnown for one64-bit
Processor special features7 differ
Graphics & IMC lithographyDiffers22 nm32 nm
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers6570053452
Processor codeDiffersSR0N2SR04Z
Processor package sizeDiffers37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Conflict-Free processorDiffersYesNo
Battery2 differ
Number of battery cellsDiffers68
Battery capacityDiffers48 Wh64 Wh
Battery life (max)Known for one8.22 h
Power1 differ
AC adapter powerDiffers65 W90 W
AC adapter input voltageKnown for one100 - 240 V
Security1 differ
Cable lock slotDiffersYesNo
Cable lock slot typeKnown for oneKensington
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Silver, ENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.2 kg2.51 kg
WidthDiffers342 mm384.9 mm
DepthDiffers244 mm260.4 mm
HeightKnown for one24.7 mm
Width (imperial)Differs34.2 cm (13.5")38.5 cm (15.2")
Depth (imperial)Differs24.4 cm (9.61")26 cm (10.2")
Height (imperial)Known for one2.46 cm (0.97")
Height (front)Known for one3.15 cm
Height (rear)Known for one3.47 cm
Height (front) (imperial)Known for one3.15 cm (1.24")
Height (rear) (imperial)Known for one3.48 cm (1.37")
Packaging contentidentical
ManualKnown for oneYes
Warranty cardKnown for oneYes

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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