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Product comparison · 2 pcs/workstations

Dell 9020 SF vs Dell Alienware X51

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  • 134specifications compared
  • 35differ
  • 99identical
  • 25known for one product only

Key differences

  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 4th gen Intel® Core™ i5
    • 4th gen Intel® Core™ i7
  • Processor model
    • i5-4570
    • i7-4770
  • Processor threads
    • 4
    • 8
  • Processor boost frequency
    • 3.6 GHz
    • 3.9 GHz
  • Processor frequency
    • 3.2 GHz
    • 3.4 GHz
  • Processor cache
    • 6 MB
    • 8 MB
  • Processor lithography
    • 28 nm
    • 22 nm

Side by side

Differences highlightedShow differences only
159 specifications
A

Dell

9020 SFView product
B

Dell

Alienware X51View product
Processor10 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i54th gen Intel® Core™ i7
Processor modelDiffersi5-4570i7-4770
Processor threadsDiffers48
Processor boost frequencyDiffers3.6 GHz3.9 GHz
Processor frequencyDiffers3.2 GHz3.4 GHz
Processor cacheDiffers6 MB8 MB
Processor lithographyDiffers28 nm22 nm
Processor seriesDiffersIntel Core i5-4500 Desktop SeriesIntel Core i7-4700 Desktop series
Number of QPI linksDiffers01
Memory voltage supported by processorKnown for one1.5 V
Memory3 differ
Internal memoryDiffers4 GB16 GB
Maximum internal memoryDiffers32 GB16 GB
Memory layout (slots x size)Known for one2 x 4 GB
Memory slotsDiffers4x DIMM2x DIMM
Storage3 differ
Total storage capacityDiffers500 GB2 TB
Optical drive typeDiffersDVD±RWDVD Super Multi DL
HDD capacityDiffers500 GB2 TB
HDD sizeKnown for one3.5"
Card reader integratedKnown for oneNo
Graphics4 differ
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GTX 670
Maximum on-board graphics card memoryDiffers1.74 GB2 GB
On-board graphics card dynamic frequency (max)Differs1150 MHz1200 MHz
On-board graphics card DirectX versionDiffers11.111.2/12
Discrete graphics card memoryKnown for one2 GB
On-board graphics card OpenGL versionKnown for one4.3
Performance1 differ
Motherboard chipsetDiffersIntel® Q87Intel® H61
Password protection typeKnown for oneBIOS
Audio output channelsKnown for one7.1 channels
Networkidentical
Wake-on-LAN readyKnown for oneYes
Ports & interfaces4 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers42
DisplayPorts quantityKnown for one2
HDMI ports quantityDiffers01
Line-outKnown for oneYes
Line-inKnown for oneYes
VGA (D-Sub) ports quantityDiffers10
PS/2 ports quantityDiffers20
Serial ports quantityKnown for one1
Expansion slotsidentical
Number of 3.5" baysKnown for one1
PCI Express x16 slotsKnown for one2
Power1 differ
Power supplyDiffers255 W330 W
Designidentical
Number of 5.25" baysKnown for one1
Cable lock slotKnown for oneYes
Liquid cooling systemKnown for oneNo
Intel® vPro™ Platform EligibilityKnown for oneNo
Cooling typeKnown for oneActive
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 8
Processor special features4 differ
Intel Dual Display Capable TechnologyDiffersYesNo
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Processor ARK IDDiffers7504375122
Processor codeDiffersSR14ESR149
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Weight & dimensions4 differ
WidthDiffers93 mm95 mm
DepthDiffers312 mm318 mm
HeightDiffers290 mm343 mm
WeightDiffers6 kg5.49 kg
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Small Business
Audioidentical
Audio systemKnown for oneHD

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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