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 Aurora R4

Add a product
  • 107specifications compared
  • 24differ
  • 83identical
  • 35known for one product only

Key differences

  • Processor generation
    • 4th gen Intel® Core™ i7
    • 3rd gen Intel® Core™ i7
  • Processor model
    • i7-4820K
    • i7-3820
  • Processor boost frequency
    • 3.9 GHz
    • 3.8 GHz
  • Processor frequency
    • 3.7 GHz
    • 3.6 GHz
  • Bus type
    • DMI2
    • DMI
  • Processor lithography
    • 22 nm
    • 32 nm
  • PCI Express slots version
    • 3.0
    • 2.0
  • Stepping
    • S1
    • M1

Side by side

Differences highlightedShow differences only
142 specifications
A

Alienware

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

Model Aurora

View product
B

Alienware

Aurora R4View product
Processor10 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i7 X-seriesIntel® Core™ i7 X-series
Processor generationDiffers4th gen Intel® Core™ i73rd gen Intel® Core™ i7
Processor modelDiffersi7-4820Ki7-3820
Processor cores44
Processor threads88
Processor boost frequencyDiffers3.9 GHz3.8 GHz
Processor frequencyDiffers3.7 GHz3.6 GHz
Processor cache10 MB10 MB
Processor cache typeSmart CacheSmart Cache
Processor front side busKnown for one1600 MHz
Bus typeDiffersDMI2DMI
FSB ParityKnown for oneNo
System bus rate5 GT/s5 GT/s
Processor lithographyDiffers22 nm32 nm
Processor operating modes64-bit64-bit
Processor seriesKnown for oneIntel Core i7-3800 Desktop Series
Processor codenameKnown for oneSandy Bridge E
Thermal Design Power (TDP)130 W130 W
Tcase66.8 °C66.8 °C
Maximum number of PCI Express lanes4040
PCI Express slots versionDiffers3.02.0
Number of processors installed11
Processor socketLGA 2011 (Socket R)LGA 2011 (Socket R)
CPU multiplier (bus/core ratio)Known for one44
SteppingDiffersS1M1
Maximum internal memory supported by processor64 GB64 GB
Memory types supported by processorDDR3-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers1333,1600,1866 MHz1066,1333,1600 MHz
Memory bandwidth supported by processor (max)Differs59.7 GB/s51.2 GB/s
ECC supported by processorNoNo
Memory1 differ
Internal memory8 GB8 GB
Maximum internal memory32 GB32 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs4 x 2 GB2 x 4 GB
Memory slotsKnown for one4x DIMM
Memory clock speed1600 MHz1600 MHz
Memory channelsQuad-channelQuad-channel
Storage2 differ
Total storage capacityDiffers2 TB1 TB
Optical drive typeDVD Super Multi DLDVD Super Multi DL
Storage mediaHDDHDD
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
HDD interfaceDiffersSATASATA II
Card reader integratedKnown for oneYes
HDD speedKnown for one7200 RPM
Graphics2 differ
On-board graphics cardNoNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 760NVIDIA® GeForce® GTX 660
Discrete graphics card memoryDiffers1.536 GB1.5 GB
Discrete graphics memory typeGDDR5GDDR5
Number of discrete graphics cardsKnown for one1
On-board graphics card modelNot availableNot available
Performanceidentical
Product typePCPC
Motherboard chipsetKnown for oneIntel® X79 Express
Motherboard form factormicro ATXmicro ATX
Audio output channels7.1 channels7.1 channels
Optical driveidentical
Optical drives quantity11
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiNoNo
Ports & interfaces2 differ
USB 2.0 ports quantity66
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
DisplayPorts quantityKnown for one1
HDMI ports quantityDiffers01
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Line-outKnown for oneYes
Line-inYesYes
Microphone inYesYes
VGA (D-Sub) ports quantity00
DVI portDiffersNoYes
PS/2 ports quantity00
S/PDIF out portYesYes
Expansion slotsidentical
PCI Express x1 slots22
PCI Express x16 slots22
Poweridentical
Power supply875 W875 W
Designidentical
Chassis typeMidi TowerMidi Tower
Placement supportedKnown for oneVertical
Product colourBlackBlack
Cooling typeKnown for oneActive
Liquid cooling systemKnown for oneNo
Software1 differ
Operating system installedDiffersWindows 7 Home PremiumWindows 8
Operating system architecture64-bit64-bit
Drivers includedKnown for oneYes
Displayidentical
Display includedNoNo
Processor special features4 differ
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
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 oneNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Smart Response Technology version1.001.00
Intel Trusted Execution TechnologyNoNo
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 oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™NoNo
Intel® Smart CacheYesYes
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers7778163698
Processor codeDiffersSR1AUSR0LD
Processor package size52.5 x 45.0 mm52.5 x 45.0 mm
Supported instruction setsDiffersAES, AVX, SSE4.2AVX, SSE4.2
Thermal Monitoring TechnologiesYesYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorDiffersYesNo
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Rapid Start TechnologyKnown for oneNo
Intel Smart Connect TechnologyKnown for oneNo
Audioidentical
Audio systemKnown for oneHD
Weight & dimensionsidentical
Width250 mm250 mm
Depth645 mm645 mm
Height426 mm426 mm
WeightKnown for one20.4 kg
Packaging dataidentical
Package widthKnown for one447.8 mm
Package depthKnown for one866.9 mm
Package heightKnown for one660.4 mm
Packaging content2 differ
Mouse includedDiffersNoYes
Keyboard includedDiffersNoYes
Cables includedKnown for oneAC
ManualKnown for oneYes
Keyboardidentical
Windows keysKnown for oneYes

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