Product comparison · 2 pcs/workstations

HP Pavilion 550-250na Intel® Core™ i5 i5-6400 vs HP 640 + Z23n

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  • 112specifications compared
  • 67differ
  • 45identical
  • 60known for one product only

Key differences

  • Processor family
    • Pavilion 550-250na Intel® Core™ i5 i5-6400:Intel® Core™ i5
    • 640 + Z23n:Intel Xeon E5 v3
  • Processor model
    • Pavilion 550-250na Intel® Core™ i5 i5-6400:i5-6400
    • 640 + Z23n:E5-2620V3
  • Processor cores
    • Pavilion 550-250na Intel® Core™ i5 i5-6400:4
    • 640 + Z23n:6
  • Processor threads
    • Pavilion 550-250na Intel® Core™ i5 i5-6400:4
    • 640 + Z23n:12
  • Processor boost frequency
    • Pavilion 550-250na Intel® Core™ i5 i5-6400:3.3 GHz
    • 640 + Z23n:3.2 GHz
  • Processor frequency
    • Pavilion 550-250na Intel® Core™ i5 i5-6400:2.7 GHz
    • 640 + Z23n:2.4 GHz
  • Processor cache
    • Pavilion 550-250na Intel® Core™ i5 i5-6400:6 MB
    • 640 + Z23n:15 MB
  • Bus type
    • Pavilion 550-250na Intel® Core™ i5 i5-6400:DMI3
    • 640 + Z23n:QPI

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Differences highlightedShow differences only (on)
Comparison of 550-250na, 640 + Z23n
172 specifications
Processor22 differ
Processor familyDiffersIntel® Core™ i5Intel Xeon E5 v3
Processor generationKnown for one6th gen Intel® Core™ i5Unknown — not stated by the source
Processor modelDiffersi5-6400E5-2620V3
Processor coresDiffers46
Processor threadsDiffers412
Processor boost frequencyDiffers3.3 GHz3.2 GHz
Processor frequencyDiffers2.7 GHz2.4 GHz
Processor cacheDiffers6 MB15 MB
Bus typeDiffersDMI3QPI
Processor lithographyDiffers14 nm22 nm
Processor seriesDiffersIntel Core i5-6400 Desktop seriesIntel Xeon E5-2600 v3
Processor codenameDiffersSkylakeHaswell
Thermal Design Power (TDP)Differs65 W85 W
TcaseDiffers71 °C72.6 °C
Maximum number of PCI Express lanesDiffers1640
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x4x4, x8, x16
Processor socketDiffersLGA 1151 (Socket H4)LGA 2011-v3
SteppingDiffersR0R2
Maximum internal memory supported by processorDiffers64 GB768 GB
Memory types supported by processorDiffersDDR3L-SDRAM, DDR4-SDRAMDDR4-SDRAM
Memory clock speeds supported by processorDiffers2133,1333,1600,1866 MHz1600,1866 MHz
Memory bandwidth supported by processor (max)Differs34.1 GB/s59 GB/s
ECC supported by processorDiffersNoYes
Memory voltage supported by processorKnown for one1.35 VUnknown — not stated by the source
FSB ParityKnown for oneUnknown — not stated by the sourceNo
Number of QPI linksKnown for oneUnknown — not stated by the source2
Memory7 differ
Internal memoryDiffers8 GB16 GB
Maximum internal memoryDiffers16 GB256 GB
Internal memory typeDiffersDDR3L-SDRAMDDR4-SDRAM
Memory layout (slots x size)Differs2 x 4 GB2 x 8 GB
Memory slotsDiffers2x DIMM4x DIMM
Memory clock speedDiffers1600 MHz2133 MHz
Memory channelsDiffersDual-channelQuad-channel
Storageidentical
Number of storage drives installedKnown for one1Unknown — not stated by the source
Graphics2 differ
Discrete graphics cardKnown for oneNoUnknown — not stated by the source
On-board graphics cardDiffersYesNo
On-board graphics card modelDiffersIntel® HD Graphics 530Not available
Maximum on-board graphics card memoryKnown for one64 GBUnknown — not stated by the source
Number of displays supported (on-board graphics)Known for one3Unknown — not stated by the source
On-board graphics card base frequencyKnown for one350 MHzUnknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one950 MHzUnknown — not stated by the source
On-board graphics card DirectX versionKnown for one12.0Unknown — not stated by the source
On-board graphics card IDKnown for one1912Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one4.4Unknown — not stated by the source
Performance2 differ
Product typeDiffersPCWorkstation
Motherboard chipsetDiffersIntel® H110Intel® C612
Network1 differ
Wi-FiDiffersYesNo
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)Unknown — not stated by the source
Wi-Fi standardsKnown for one802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)Unknown — not stated by the source
BluetoothKnown for oneYesUnknown — not stated by the source
Bluetooth versionKnown for one4.0Unknown — not stated by the source
Cabling technologyKnown for oneUnknown — not stated by the source10/100/1000Base-T(X)
Ports & interfaces5 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers48
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one0Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one0Unknown — not stated by the source
Thunderbolt 3 ports quantityKnown for one0Unknown — not stated by the source
HDMI ports quantityDiffers20
Combo headphone/mic portKnown for oneYesUnknown — not stated by the source
Headphone outputsDiffers01
Microphone inDiffersNoYes
DVI portDiffersYesNo
Mini DisplayPorts quantityKnown for one1Unknown — not stated by the source
PS/2 ports quantityKnown for oneUnknown — not stated by the source2
Expansion slotsidentical
PCI Express x1 slotsKnown for one1Unknown — not stated by the source
PCI Express x1 (Gen 2.x) slotsKnown for one1Unknown — not stated by the source
PCI Express x16 slotsKnown for one1Unknown — not stated by the source
Power1 differ
Power supplyDiffers180 W925 W
Design1 differ
Placement supportedKnown for oneVerticalUnknown — not stated by the source
Product colourDiffersSilverBlack
Liquid cooling systemKnown for oneUnknown — not stated by the sourceNo
Software1 differ
Operating system installedDiffersWindows 10 HomeWindows 7 Professional
Pre-installed softwareKnown for oneNetflixUnknown — not stated by the source
Trial softwareKnown for oneMcAfee LiveSafeUnknown — not stated by the source
Recovery operating systemKnown for oneUnknown — not stated by the sourceWindows 8.1 Pro
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for oneUnknown — not stated by the source58.4 cm (23")
Display typeKnown for oneUnknown — not stated by the sourceLED
Display resolutionKnown for oneUnknown — not stated by the source1920 x 1080 pixels
Panel typeKnown for oneUnknown — not stated by the sourceIPS
Native aspect ratioKnown for oneUnknown — not stated by the source16:9
Contrast ratio (typical)Known for oneUnknown — not stated by the source1000:1
Display brightnessKnown for oneUnknown — not stated by the source250 cd/m²
Viewing angle, horizontalKnown for oneUnknown — not stated by the source178°
Viewing angle, verticalKnown for oneUnknown — not stated by the source178°
Processor special features19 differ
CPU configuration (max)Differs12
Embedded options availableDiffersNoYes
Graphics & IMC lithographyKnown for one14 nmUnknown — not stated by the source
Intel Clear Video TechnologyDiffersYesNo
Intel Identity Protection Technology versionDiffers1.000.00
Intel Small Business Advantage (SBA) versionKnown for one1.00Unknown — not stated by the source
Intel Software Guard Extensions (Intel SGX)Known for oneYesUnknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for oneNoUnknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersYesNo
Intel® InTru™ 3D TechnologyDiffersYesNo
Intel® Insider™DiffersYesNo
Intel® Wireless Display (Intel® WiDi)DiffersYesNo
Processor ARK IDDiffers8818583352
Processor codeDiffersSR2BYSR207
Processor package sizeDiffers37.5 x 37.5 mm52.5 x 45 mm
ScalabilityDiffers1S2S
Supported instruction setsDiffersSSE4.2, AVX 2.0, SSE4.1AVX
Thermal solution specificationKnown for onePCG 2015CUnknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyDiffersYesNo
Intel® Identity Protection Technology (Intel® IPT)DiffersYesNo
Conflict-Free processorDiffersYesNo
Intel Demand Based SwitchingKnown for oneUnknown — not stated by the sourceYes
Intel Dual Display Capable TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel FDI TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Fast Memory AccessKnown for oneUnknown — not stated by the sourceNo
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceNo
Intel Rapid Storage TechnologyKnown for oneUnknown — not stated by the sourceNo
Physical Address Extension (PAE)Known for oneUnknown — not stated by the sourceYes
Intel® My WiFi Technology (Intel® MWT)Known for oneUnknown — not stated by the sourceNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneUnknown — not stated by the sourceNo
Brand-specific featuresidentical
HP Support AssistantKnown for oneYesUnknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers165 mm175 mm
DepthDiffers378 mm464.8 mm
HeightDiffers364 mm444.5 mm
WeightDiffers7.15 kg15 kg
Sustainability1 differ
Sustainability certificatesDiffersEPEAT Silver, ENERGY STARENERGY STAR
Audioidentical
Audio systemKnown for oneUnknown — not stated by the sourceHD
Packaging contentidentical
Mouse includedKnown for oneUnknown — not stated by the sourceNo
Keyboard includedKnown for oneUnknown — not stated by the sourceNo

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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