Product comparison · 2 laptops

Dell 12 + SuperSpeed USB 3.0 Dockingstation vs Dell 15R (5521)

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  • 140specifications compared
  • 39differ
  • 101identical
  • 40known for one product only

Key differences

  • Form factor
    • 12 + SuperSpeed USB 3.0 Dockingstation:Convertible (Ferris Wheel)
    • 15R (5521):Clamshell
  • Display diagonal
    • 12 + SuperSpeed USB 3.0 Dockingstation:31.8 cm (12.5")
    • 15R (5521):39.6 cm (15.6")
  • Display resolution
    • 12 + SuperSpeed USB 3.0 Dockingstation:1920 x 1080 pixels
    • 15R (5521):1366 x 768 pixels
  • Processor family
    • 12 + SuperSpeed USB 3.0 Dockingstation:Intel® Core™ i7
    • 15R (5521):Intel® Core™ i5
  • Processor generation
    • 12 + SuperSpeed USB 3.0 Dockingstation:3rd gen Intel® Core™ i7
    • 15R (5521):3rd gen Intel® Core™ i5
  • Processor model
    • 12 + SuperSpeed USB 3.0 Dockingstation:i7-3537U
    • 15R (5521):i5-3337U
  • Processor boost frequency
    • 12 + SuperSpeed USB 3.0 Dockingstation:3.1 GHz
    • 15R (5521):2.7 GHz
  • Processor frequency
    • 12 + SuperSpeed USB 3.0 Dockingstation:2 GHz
    • 15R (5521):1.8 GHz

Side by side

Differences highlightedShow differences only (on)
Comparison of 12 + SuperSpeed USB 3.0 Dockingstation, 15R (5521)
180 specifications
Design1 differ
Form factorDiffersConvertible (Ferris Wheel)Clamshell
Housing materialKnown for oneAluminium, Carbon fibre, MagnesiumUnknown — not stated by the source
Display2 differ
Display diagonalDiffers31.8 cm (12.5")39.6 cm (15.6")
Display resolutionDiffers1920 x 1080 pixels1366 x 768 pixels
HD typeKnown for oneFull HDUnknown — not stated by the source
Processor9 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers3rd gen Intel® Core™ i73rd gen Intel® Core™ i5
Processor modelDiffersi7-3537Ui5-3337U
Processor boost frequencyDiffers3.1 GHz2.7 GHz
Processor frequencyDiffers2 GHz1.8 GHz
Processor cacheDiffers4 MB3 MB
Processor seriesDiffersIntel Core i7-3500 Mobile seriesIntel Core i5-3300 Mobile series
PCI Express configurationsDiffers1x8, 1x16, 2x4, 2x81x16, 2x8, 1x8+2x4
CPU multiplier (bus/core ratio)Differs2018
Memory2 differ
Internal memoryDiffers8 GB6 GB
Memory form factorKnown for oneUnknown — not stated by the sourceSO-DIMM
Memory layout (slots x size)Differs1 x 8 GB1 x 2 + 1 x 4 GB
Memory slotsKnown for oneUnknown — not stated by the source2x SO-DIMM
Storage3 differ
Total storage capacityDiffers256 GB750 GB
Storage mediaDiffersSSDHDD
Number of HDDs installedKnown for oneUnknown — not stated by the source1
HDD capacityKnown for oneUnknown — not stated by the source750 GB
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA
HDD speedKnown for oneUnknown — not stated by the source5400 RPM
Optical drive typeDiffersNoDVD Super Multi
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMemory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC
Number of SSDs installedKnown for one1Unknown — not stated by the source
SSD capacityKnown for one256 GBUnknown — not stated by the source
Graphics3 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableAMD Radeon HD 8730M
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
Discrete graphics memory typeKnown for oneUnknown — not stated by the sourceGDDR3
On-board graphics card dynamic frequency (max)Differs1200 MHz1100 MHz
Audio1 differ
Audio systemKnown for oneUnknown — not stated by the sourceWaves MaxxAudio
Number of built-in speakersDiffers12
Speaker powerKnown for one2 WUnknown — not stated by the source
Camera2 differ
Front camera resolution (numeric)Differs1.3 MP1 MP
Front camera resolutionDiffers1280 x 1024 pixels1280 x 720 pixels
Network2 differ
Wi-Fi standardsDiffers802.11a, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffersNoYes
Ethernet LAN data ratesKnown for oneUnknown — not stated by the source10,100 Mbit/s
Cabling technologyKnown for oneUnknown — not stated by the source10/100Base-T(X)
Networking standardsKnown for oneUnknown — not stated by the sourceIEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers02
Ethernet LAN (RJ-45) portsDiffers01
HDMI ports quantityDiffers01
HDMI versionKnown for oneUnknown — not stated by the source1.4a
Mini DisplayPorts quantityKnown for one1Unknown — not stated by the source
Headphone connectivityKnown for one3.5 mmUnknown — not stated by the source
Microphone connectivityKnown for one3.5 mmUnknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffersIntel® QS77 ExpressIntel HM76 Express
Keyboard2 differ
Pointing deviceDiffersThinkPad UltraNavTouchpad
Numeric keypadDiffersNoYes
Windows keysKnown for oneUnknown — not stated by the sourceYes
Keyboard backlitKnown for oneYesUnknown — not stated by the source
Spill-resistant keyboardKnown for oneYesUnknown — not stated by the source
Full-size keyboardKnown for oneYesUnknown — not stated by the source
Software1 differ
Operating system installedDiffersWindows 8 ProWindows 8
Drivers includedKnown for oneUnknown — not stated by the sourceYes
Trial softwareKnown for oneMicrosoft OfficeUnknown — not stated by the source
Bundled softwareKnown for oneAdobe Reader X Skype Internet Explorer My Dell Support applicationUnknown — not stated by the source
Processor special features2 differ
Processor ARK IDDiffers7205472055
Processor codeDiffersSR0XGSR0XL
Batteryidentical
Battery capacityKnown for oneUnknown — not stated by the source65 Wh
Poweridentical
AC adapter powerKnown for one45 WUnknown — not stated by the source
Security1 differ
Cable lock slotDiffersNoYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington
Weight & dimensions4 differ
WeightDiffers1.52 kg2.32 kg
WidthDiffers317 mm376 mm
DepthDiffers215 mm259 mm
Height (front)Known for oneUnknown — not stated by the source2.49 cm
Height (rear)Differs2 cm3.13 cm
Packaging contentidentical
Cables includedKnown for oneUnknown — not stated by the sourceAC
Warranty cardKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneYesUnknown — not stated by the source
Optical driveidentical
LightScribeKnown for oneNoUnknown — not stated by the source
Other featuresidentical
QuantityKnown for one1Unknown — not stated by the source
64-bit computingKnown for oneYesUnknown — 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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