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Product comparison · 2 pcs/workstations

Alienware AAR4-1428BK vs Alienware X51 Intel® Core™ i7 i7-2600

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  • 114specifications compared
  • 42differ
  • 72identical
  • 33known for one product only

Key differences

  • Processor family
    • Intel® Core™ i7 X-series
    • Intel® Core™ i7
  • Processor generation
    • 3rd gen Intel® Core™ i7
    • 2nd gen Intel® Core™ i7
  • Processor model
    • i7-3820
    • i7-2600
  • Processor frequency
    • 3.6 GHz
    • 3.4 GHz
  • Processor cache
    • 10 MB
    • 8 MB
  • Processor codename
    • Sandy Bridge E
    • Sandy Bridge
  • Thermal Design Power (TDP)
    • 130 W
    • 95 W
  • Tcase
    • 66.8 °C
    • 72.6 °C

Side by side

Differences highlightedShow differences only
147 specifications
A

Alienware

Alienware AAR4-1428BKView product
B

Alienware

X51 Intel® Core™ i7 i7-2600

Model X51

View product
Processor16 differ
Processor familyDiffersIntel® Core™ i7 X-seriesIntel® Core™ i7
Processor generationDiffers3rd gen Intel® Core™ i72nd gen Intel® Core™ i7
Processor modelDiffersi7-3820i7-2600
Processor frequencyDiffers3.6 GHz3.4 GHz
Processor cacheDiffers10 MB8 MB
Processor seriesDiffersIntel Core i7-3800 Desktop SeriesIntel Core i7-2600 Desktop Series
Processor codenameDiffersSandy Bridge ESandy Bridge
Thermal Design Power (TDP)Differs130 W95 W
TcaseDiffers66.8 °C72.6 °C
Maximum number of PCI Express lanesDiffers4016
Processor socketDiffersLGA 2011 (Socket R)LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs4434
SteppingDiffersM1D2
Maximum internal memory supported by processorDiffers64 GB32 GB
Memory clock speeds supported by processorDiffers1066,1333,1600 MHz1066,1333 MHz
Memory bandwidth supported by processor (max)Differs51.2 GB/s21 GB/s
Processor front side busKnown for one1600 MHz
Memory3 differ
Maximum internal memoryDiffers16 GB8 GB
Memory slotsDiffers4x DIMM2x DIMM
Memory channelsDiffersQuad-channelDual-channel
Memory clock speedKnown for one1600 MHz
Storage2 differ
Total storage capacityDiffers2 TB1 TB
HDD capacityDiffers2 TB1 TB
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card memoryKnown for one1 GB
Discrete graphics memory typeKnown for oneGDDR5
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics 2000
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one850 MHz
On-board graphics card dynamic frequency (max)Known for one1350 MHz
On-board graphics card IDKnown for one0x102
Graphics card familyKnown for oneIntel, NVIDIA
Performance1 differ
Motherboard chipsetDiffersIntel® X79 ExpressIntel® H61
Motherboard form factorKnown for onemicro ATX
Network1 differ
Wi-FiDiffersNoYes
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsKnown for oneWi-Fi 4 (802.11n)
Wake-on-LAN readyKnown for oneYes
Wireless technologyKnown for oneWi-Fi
BluetoothKnown for oneNo
Copper ethernet cabling technologyKnown for one1000BASE-T, 1000BASE-TX, 100BASE-T, 100BASE-TX, 10BASE-T
Ports & interfacesidentical
HDMI ports quantityKnown for one1
VGA (D-Sub) ports quantityKnown for one0
DVI portKnown for oneNo
HDMIKnown for oneYes
Poweridentical
Power supply typeKnown for oneAC/DC
Power supplyKnown for one875 W
Design1 differ
Chassis typeDiffersMidi TowerMini Tower
Softwareidentical
Compatible operating systemsKnown for oneWindows 7 Home Premium (64-bit) Windows 7 Professional (64-bit) Windows 7 Ultimate (64-bit)
Processor special features14 differ
Embedded options availableDiffersNoYes
Intel Dual Display Capable TechnologyDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Fast Memory AccessDiffersNoYes
Intel Flex Memory AccessDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Processor ARK IDDiffers6369852213
Processor codeDiffersSR0LDSR00B
Processor package sizeDiffers52.5 x 45.0 mm37.5 x 37.5 mm
Supported instruction setsDiffersAVX, SSE4.2AVX
Intel® Quick Sync Video TechnologyDiffersNoYes
Intel Smart Response Technology versionKnown for one1.00
Intel® Smart CacheKnown for oneYes
Intel® Smart Response TechnologyKnown for oneYes
Weight & dimensions4 differ
WidthDiffers250 mm95 mm
DepthDiffers645 mm318 mm
HeightDiffers426 mm343 mm
WeightDiffers20.4 kg5.49 kg
Dimensions (WxDxH)Known for one250 x 645 x 426 mm
Expansion slotsidentical
PCI Express x1 slotsKnown for one2
PCI Express x16 slotsKnown for one2
Displayidentical
Display includedKnown for oneNo

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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