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

HP Z640 Intel Xeon E5 v3 E5-2620V3 vs HP Z840 Intel Xeon E5 v3 E5-2620V3

Add a product
  • 118specifications compared
  • 10differ
  • 108identical
  • 15known for one product only

Key differences

  • Internal memory
    • 16 GB
    • 8 GB
  • Memory layout (slots x size)
    • 2 x 8 GB
    • 1 x 8 GB
  • Memory slots
    • 4x DIMM
    • 8x DIMM
  • Total storage capacity
    • 256 GB
    • 1 TB
  • Storage media
    • SSD
    • HDD
  • Power supply
    • 925 W
    • 850 W
  • Width
    • 175 mm
    • 203 mm
  • Depth
    • 464.8 mm
    • 525 mm

Side by side

Differences highlightedShow differences only
133 specifications
A

HP

Z640 Intel Xeon E5 v3 E5-2620V3

Model Z640

View product
B

HP

Z840 Intel Xeon E5 v3 E5-2620V3

Model Z840

View product
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel Xeon E5 v3Intel Xeon E5 v3
Processor modelE5-2620V3E5-2620V3
Processor cores66
Processor threads1212
Processor boost frequency3.2 GHz3.2 GHz
Processor frequency2.4 GHz2.4 GHz
Processor cache15 MB15 MB
Processor cache typeSmart CacheSmart Cache
Bus typeQPIQPI
FSB ParityNoNo
System bus rate8 GT/s8 GT/s
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesIntel Xeon E5-2600 v3Intel Xeon E5-2600 v3
Processor codenameHaswellHaswell
Thermal Design Power (TDP)85 W85 W
Tcase72.6 °C72.6 °C
Maximum number of PCI Express lanes4040
PCI Express configurationsx4, x8, x16x4, x8, x16
PCI Express slots version3.03.0
Number of QPI links22
Number of processors installed11
Processor socketLGA 2011-v3LGA 2011-v3
SteppingR2R2
Maximum internal memory supported by processor768 GB768 GB
Memory types supported by processorDDR4-SDRAMDDR4-SDRAM
Memory clock speeds supported by processor1600,1866 MHz1600,1866 MHz
Memory bandwidth supported by processor (max)59 GB/s59 GB/s
ECC supported by processorYesYes
Memory3 differ
Internal memoryDiffers16 GB8 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Memory layout (slots x size)Differs2 x 8 GB1 x 8 GB
Memory slotsDiffers4x DIMM8x DIMM
Memory clock speed2133 MHz2133 MHz
ECCYesYes
Memory channelsQuad-channelQuad-channel
Storage2 differ
Total storage capacityDiffers256 GB1 TB
Optical drive typeBlu-Ray RWBlu-Ray RW
Storage mediaDiffersSSDHDD
Total SSDs capacityKnown for one256 GB
Number of SSDs installedKnown for one1
SSD capacityKnown for one256 GB
SSD interfaceKnown for onePCI Express
Total HDDs capacityKnown for one1 TB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
Graphicsidentical
Discrete graphics card modelNVIDIA® Quadro® K2200NVIDIA® Quadro® K2200
Discrete graphics card memory4 GB4 GB
On-board graphics card modelNot availableNot available
Performanceidentical
Product typeWorkstationWorkstation
Motherboard chipsetIntel® C612Intel® C612
Optical driveidentical
Optical drives quantity11
Networkidentical
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
Wi-FiNoNo
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfacesidentical
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Line-outYesYes
Line-inYesYes
Microphone inYesYes
DVI portNoNo
PS/2 ports quantity22
DC-in jackKnown for oneYes
Serial ports quantityKnown for one1
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one1
PCI Express x4 (Gen 2.x) slotsKnown for one1
PCI Express x8 (Gen 3.x) slotsKnown for one1
PCI Express x16 (Gen 3.x) slotsKnown for one2
PCI slotsKnown for one1
Power1 differ
Power supplyDiffers925 W850 W
Designidentical
Chassis typeMini TowerMini Tower
Liquid cooling systemNoNo
Product colourBlackBlack
Country of originChinaChina
Softwareidentical
Operating system installedWindows 7 ProfessionalWindows 7 Professional
Operating system architecture64-bit64-bit
Recovery operating systemWindows 8.1 ProWindows 8.1 Pro
Displayidentical
Display includedNoNo
Processor special featuresidentical
CPU configuration (max)22
Embedded options availableYesYes
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingYesYes
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Identity Protection Technology version0.000.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology version1.001.00
Intel TSX-NINoNo
Intel TSX-NI version0.000.00
Intel Trusted Execution TechnologyYesYes
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)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® OS GuardYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheYesYes
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
Intel® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)YesYes
Processor ARK ID8335283352
Processor codeSR207SR207
Processor package size52.5 x 45 mm52.5 x 45 mm
Scalability2S2S
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Intel® Turbo Boost Technology2.02.0
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Identity Protection Technology (Intel® IPT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Weight & dimensions4 differ
WidthDiffers175 mm203 mm
DepthDiffers464.8 mm525 mm
HeightDiffers444.5 mm444 mm
WeightDiffers15 kg21.1 kg
Packaging contentidentical
Mouse includedNoNo
Keyboard includedNoNo

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