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Product comparison · 2 pcs/workstations

Alienware Aurora Intel® Core™ i7 X-series i7-4820K vs Alienware X51 R2

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  • 106specifications compared
  • 41differ
  • 65identical
  • 52known for one product only

Key differences

  • Processor family
    • Intel® Core™ i7 X-series
    • Intel® Core™ i7
  • Processor model
    • i7-4820K
    • i7-4770
  • Processor frequency
    • 3.7 GHz
    • 3.4 GHz
  • Processor cache
    • 10 MB
    • 8 MB
  • Thermal Design Power (TDP)
    • 130 W
    • 84 W
  • Tcase
    • 66.8 °C
    • 72.72 °C
  • Maximum number of PCI Express lanes
    • 40
    • 16
  • Processor socket
    • LGA 2011 (Socket R)
    • LGA 1150 (Socket H3)

Side by side

Differences highlightedShow differences only
158 specifications
A

Alienware

Aurora Intel® Core™ i7 X-series i7-4820K

Model Aurora

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B

Alienware

X51 R2View product
Processor12 differ
Processor familyDiffersIntel® Core™ i7 X-seriesIntel® Core™ i7
Processor modelDiffersi7-4820Ki7-4770
Processor frequencyDiffers3.7 GHz3.4 GHz
Processor cacheDiffers10 MB8 MB
FSB ParityKnown for oneNo
Processor seriesKnown for oneIntel Core i7-4700 Desktop series
Processor codenameKnown for oneHaswell
Thermal Design Power (TDP)Differs130 W84 W
TcaseDiffers66.8 °C72.72 °C
Maximum number of PCI Express lanesDiffers4016
PCI Express configurationsKnown for one1x16, 2x8, 1x8+2x4
Number of QPI linksKnown for one1
Processor socketDiffersLGA 2011 (Socket R)LGA 1150 (Socket H3)
SteppingDiffersS1C0
Maximum internal memory supported by processorDiffers64 GB32 GB
Memory clock speeds supported by processorDiffers1333,1600,1866 MHz1333,1600 MHz
Memory bandwidth supported by processor (max)Differs59.7 GB/s25.6 GB/s
Memory voltage supported by processorKnown for one1.5 V
Memory2 differ
Maximum internal memoryDiffers32 GB16 GB
Memory slotsKnown for one2x DIMM
Memory channelsDiffersQuad-channelDual-channel
Memory layout (slots x size)Known for one4 x 2 GB
Storage2 differ
Total storage capacityDiffers2 TB1 TB
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
HDD interfaceDiffersSATASATA II
Card reader integratedKnown for oneNo
Graphics3 differ
On-board graphics cardDiffersNoYes
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 760NVIDIA® GeForce® GTX 660
Number of discrete graphics cardsKnown for one1
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelDiffersNot availableIntel® HD Graphics 4600
Maximum on-board graphics card memoryKnown for one2 GB
Number of displays supported (on-board graphics)Known for one3
On-board graphics card base frequencyKnown for one350 MHz
On-board graphics card dynamic frequency (max)Known for one1200 MHz
On-board graphics card DirectX versionKnown for one11.2/12
On-board graphics card IDKnown for one0x412
On-board graphics card OpenGL versionKnown for one4.3
Discrete graphics memory typeKnown for oneGDDR5
Performanceidentical
Motherboard form factorKnown for onemicro ATX
Network1 differ
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiDiffersNoYes
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Wake-on-LAN readyKnown for oneYes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers60
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers28
HDMI ports quantityDiffers01
Line-outKnown for oneYes
Design1 differ
Chassis typeDiffersMidi TowerDesktop
Placement supportedKnown for oneHorizontal/Vertical
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 8
Trial softwareKnown for oneMicrosoft Office
Processor special features10 differ
Graphics & IMC lithographyKnown for one22 nm
Intel Dual Display Capable TechnologyKnown for oneNo
Intel FDI TechnologyKnown for oneYes
Intel Secure Key Technology versionKnown for one1.00
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Stable Image Platform Program (SIPP)Known for oneYes
Intel Stable Image Platform Program (SIPP) versionKnown for one1.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel® Active Management Technology (Intel® AMT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® High Definition Audio (Intel® HD Audio)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneYes
Intel® Insider™DiffersNoYes
Intel® OS GuardKnown for oneYes
Intel® Secure KeyKnown for oneYes
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Processor ARK IDDiffers7778175122
Processor codeDiffersSR1AUSR149
Processor package sizeDiffers52.5 x 45.0 mm37.5 x 37.5 mm
ScalabilityKnown for one1S
Supported instruction setsDiffersAES, AVX, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal solution specificationKnown for onePCG 2013D
Intel® Smart Response TechnologyDiffersYesNo
Intel® Quick Sync Video TechnologyKnown for oneYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Intel Smart Response Technology versionKnown for one1.00
Audioidentical
Audio systemKnown for oneHD
Weight & dimensions4 differ
WidthDiffers250 mm95 mm
DepthDiffers645 mm318 mm
HeightDiffers426 mm343 mm
WeightDiffers20.4 kg5.49 kg
Packaging content2 differ
Mouse includedDiffersNoYes
Keyboard includedDiffersNoYes
Expansion slotsidentical
PCI Express x1 slotsKnown for one2
PCI Express x16 slotsKnown for one2
Poweridentical
Power supplyKnown for one875 W

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