All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 pcs/workstations

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

Add a product
  • 87specifications compared
  • 33differ
  • 54identical
  • 64known 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
151 specifications
A

Alienware

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

Model Aurora

View product
B

Alienware

X51 R2 AndromedaView product
Processor12 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i7 X-seriesIntel® Core™ i7
Processor generation4th gen Intel® Core™ i74th gen Intel® Core™ i7
Processor modelDiffersi7-4820Ki7-4770
Processor cores44
Processor threads88
Processor boost frequency3.9 GHz3.9 GHz
Processor frequencyDiffers3.7 GHz3.4 GHz
Processor cacheDiffers10 MB8 MB
Processor cache typeSmart CacheSmart Cache
Bus typeDMI2DMI2
FSB ParityKnown for oneNo
System bus rate5 GT/s5 GT/s
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
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
PCI Express slots version3.03.0
Number of QPI linksKnown for one1
Number of processors installed11
Processor socketDiffersLGA 2011 (Socket R)LGA 1150 (Socket H3)
SteppingDiffersS1C0
Maximum internal memory supported by processorDiffers64 GB32 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers1333,1600,1866 MHz1333,1600 MHz
Memory bandwidth supported by processor (max)Differs59.7 GB/s25.6 GB/s
ECC supported by processorNoNo
Memory voltage supported by processorKnown for one1.5 V
Memory2 differ
Internal memoryDiffers8 GB16 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory slotsKnown for one2x DIMM
Memory clock speed1600 MHz1600 MHz
Memory channelsDiffersQuad-channelDual-channel
Maximum internal memoryKnown for one32 GB
Memory layout (slots x size)Known for one4 x 2 GB
Storage2 differ
Total storage capacityDiffers2 TB1.25 TB
Storage mediaDiffersHDDHDD+SSD
Number of storage drives installedKnown for one2
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
Number of SSDs installedKnown for one1
SSD capacityKnown for one256 GB
Optical drive typeKnown for oneDVD Super Multi DL
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Graphics3 differ
On-board graphics cardDiffersNoYes
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 760NVIDIA® GeForce® GTX 670
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 card memoryKnown for one1.536 GB
Discrete graphics memory typeKnown for oneGDDR5
Performanceidentical
Product typePCPC
Motherboard form factorKnown for onemicro ATX
Audio output channelsKnown for one7.1 channels
Optical driveidentical
Optical drives quantity11
Network1 differ
Ethernet LANYesYes
Wi-FiDiffersNoYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers60
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers28
HDMI versionKnown for one1.4
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
PS/2 ports quantity00
S/PDIF out portYesYes
HDMI ports quantityKnown for one0
Line-inKnown for oneYes
VGA (D-Sub) ports quantityKnown for one0
DVI portKnown for oneNo
Design1 differ
Chassis typeDiffersMidi TowerDesktop
Liquid cooling systemNoNo
Product colourBlackBlack
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 8.1
Operating system architecture64-bit64-bit
Displayidentical
Display includedNoNo
Processor special features9 differ
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one22 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyKnown for oneYes
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
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 VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyKnown for oneYes
Intel® Insider™DiffersNoYes
Intel® OS GuardKnown for oneYes
Intel® Secure KeyKnown for oneYes
Intel® Smart CacheYesYes
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 Monitoring TechnologiesYesYes
Thermal solution specificationKnown for onePCG 2013D
Intel® Turbo Boost Technology2.02.0
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Quick Sync Video TechnologyKnown for oneYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Conflict-Free processorYesYes
Intel Smart Response Technology versionKnown for one1.00
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Smart Response TechnologyKnown for oneYes
Intel® Rapid Start TechnologyKnown for oneNo
Intel Smart Connect TechnologyKnown for oneNo
Packaging contentidentical
Mouse includedNoNo
Keyboard includedNoNo
Expansion slotsidentical
PCI Express x1 slotsKnown for one2
PCI Express x16 slotsKnown for one2
Poweridentical
Power supplyKnown for one875 W
Weight & dimensionsidentical
WidthKnown for one250 mm
DepthKnown for one645 mm
HeightKnown for one426 mm
WeightKnown for one20.4 kg

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.

More pcs/workstations comparisons

All pcs/workstations comparisons