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Product comparison · 2 pcs/workstations

HP 251-a147d Intel® Celeron® J1800 vs HP Z240 MT + Z22n

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  • 99specifications compared
  • 65differ
  • 34identical
  • 69known for one product only

Key differences

The HP Z240 MT + Z22n has 2 more processor cores than the HP 251-a147d Intel® Celeron® J1800 (4 vs 2). The HP Z240 MT + Z22n has 6 more processor threads than the HP 251-a147d Intel® Celeron® J1800 (8 vs 2). The HP Z240 MT + Z22n has 1.32 GHz more processor boost frequency than the HP 251-a147d Intel® Celeron® J1800 (3.9 GHz vs 2.58 GHz). Only the HP Z240 MT + Z22n has ECC supported by processor. Only the HP 251-a147d Intel® Celeron® J1800 has card reader integrated.

  • Processor family
    • Intel® Celeron®
    • Intel® Xeon® E3 v5
  • Processor model
    • J1800
    • E3-1245V5
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 8
  • Processor boost frequency
    • 2.58 GHz
    • 3.9 GHz
  • Processor frequency
    • 2.41 GHz
    • 3.5 GHz
  • Processor cache
    • 1 MB
    • 8 MB
  • Processor cache type
    • L2
    • Smart Cache

Side by side

Differences highlightedShow differences only
168 specifications
A

HP

251-a147d Intel® Celeron® J1800

Model 251-a147d

View product
B

HP

Z240 MT + Z22nView product
Processor22 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Celeron®Intel® Xeon® E3 v5
Processor modelDiffersJ1800E3-1245V5
Processor coresDiffers24
Processor threadsDiffers28
Processor boost frequencyDiffers2.58 GHz3.9 GHz
Processor frequencyDiffers2.41 GHz3.5 GHz
Processor cacheDiffers1 MB8 MB
Processor cache typeDiffersL2Smart Cache
Bus typeKnown for oneDMI3
System bus rateKnown for one8 GT/s
Processor lithographyDiffers22 nm14 nm
Processor operating modesDiffers32-bit, 64-bit64-bit
Processor seriesDiffersIntel Celeron Processor J1000 series for DesktopIntel Xeon E3-1200 v5
Processor codenameDiffersBay TrailSkylake
Thermal Design Power (TDP)Differs10 W80 W
Maximum number of PCI Express lanesDiffers416
PCI Express configurationsDiffers1x41x16, 1x8+2x4, 2x8
PCI Express slots versionDiffers2.03.0
Number of processors installed11
Processor socketDiffersBGA 1170LGA 1151 (Socket H4)
SteppingDiffersB3R0
Maximum internal memory supported by processorDiffers8 GB64 GB
Memory types supported by processorDiffersDDR3L-SDRAMDDR3L-SDRAM, DDR4-SDRAM
Memory clock speeds supported by processorDiffers1333 MHz1333,1600,1866,2133 MHz
Memory bandwidth supported by processor (max)Known for one34.1 GB/s
ECC supported by processorDiffersNoYes
Memory voltage supported by processorKnown for one1.35 V
FSB ParityKnown for oneNo
TjunctionKnown for one105 °C
Memory6 differ
Internal memoryDiffers2 GB8 GB
Maximum internal memoryDiffers8 GB64 GB
Internal memory typeDiffersDDR3-SDRAMDDR4-SDRAM
Memory layout (slots x size)Differs1 x 2 GB2 x 4 GB
Memory slotsDiffers2x DIMM4x DIMM
Memory clock speedDiffers1600 MHz2133 MHz
ECCKnown for oneYes
Memory channelsDual-channelDual-channel
Storage4 differ
Total storage capacityDiffers500 GB1 TB
Optical drive typeDVD Super MultiDVD Super Multi
Storage mediaHDDHDD
Total HDDs capacityDiffers500 GB1 TB
Number of HDDs installed11
HDD capacityDiffers500 GB1 TB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedDiffersYesNo
Graphics4 differ
Discrete graphics cardKnown for oneNo
On-board graphics cardYesYes
Discrete graphics card modelNot availableNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics P530
Maximum on-board graphics card memoryKnown for one1 GB
Number of displays supported (on-board graphics)Differs23
On-board graphics card base frequencyDiffers688 MHz400 MHz
On-board graphics card dynamic frequency (max)Differs792 MHz1150 MHz
On-board graphics card DirectX versionKnown for one12.0
On-board graphics card IDKnown for one0x191D
On-board graphics card OpenGL versionKnown for one4.4
Performance1 differ
Product typeDiffersPCWorkstation
Motherboard chipsetKnown for oneIntel® C236
Optical driveidentical
Optical drives quantity11
Network2 differ
Ethernet LANYesYes
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiDiffersYesNo
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers46
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers14
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one0
Thunderbolt 3 ports quantityKnown for one0
DisplayPorts quantityKnown for one2
HDMI ports quantity00
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Line-outYesYes
Line-inYesYes
Microphone inYesYes
VGA (D-Sub) ports quantityDiffers10
DVI portYesYes
PS/2 ports quantityKnown for one2
Expansion slotsidentical
Number of 3.5" baysKnown for one2
PCI Express x1 (Gen 3.x) slotsKnown for one1
PCI Express x4 (Gen 3.x) slotsKnown for one2
PCI Express x16 (Gen 3.x) slotsKnown for one1
Power1 differ
Power supplyDiffers65 W400 W
Designidentical
Chassis typeKnown for oneMini Tower
Number of 5.25" baysKnown for one2
Number of 2.5" baysKnown for one1
Product colourBlackBlack
Country of originChinaChina
Liquid cooling systemKnown for oneNo
Software1 differ
Operating system installedDiffersWindows 10 HomeWindows 7 Professional
Operating system architecture64-bit64-bit
Display1 differ
Display includedDiffersNoYes
Display diagonalKnown for one54.6 cm (21.5")
Full HDKnown for oneYes
Display resolutionKnown for one1920 x 1080 pixels
Panel typeKnown for oneIPS
Native aspect ratioKnown for one16:9
Contrast ratio (typical)Known for one1000:1
Display brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one178°
Viewing angle, verticalKnown for one178°
Processor special features16 differ
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one14 nm
Idle StatesKnown for oneYes
Intel 64YesYes
Intel Clear Video TechnologyDiffersNoYes
Intel Enhanced Halt StateDiffersNoYes
Intel Secure Key Technology versionKnown for one1.00
Intel Software Guard Extensions (Intel SGX)Known for oneYes
Intel TSX-NIKnown for oneYes
Intel TSX-NI versionKnown for one1.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® OS GuardKnown for oneYes
Intel® Secure KeyKnown for oneYes
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Processor ARK IDDiffers7886688173
Processor package sizeDiffers25 X 27 mm37.5 x 37.5 mm
ScalabilityKnown for one1S
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyYesYes
Conflict-Free processorYesYes
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel HD GraphicsKnown for oneYes
Intel Identity Protection Technology versionKnown for one0.00
Intel Rapid Storage TechnologyKnown for oneNo
Intel Small Business Advantage (SBA) versionKnown for one0.00
Intel Stable Image Platform Program (SIPP)Known for oneNo
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00
Intel® Built-in Visuals TechnologyKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneNo
Intel® Smart CacheKnown for oneNo
Physical Address Extension (PAE)Known for oneYes
Processor codeKnown for oneSR1SD
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Identity Protection Technology (Intel® IPT)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Audioidentical
Audio systemKnown for oneHD
Weight & dimensions4 differ
WidthDiffers165.1 mm170 mm
DepthDiffers375 mm442 mm
HeightDiffers363.9 mm399 mm
WeightDiffers4.87 kg8.8 kg
Packaging contentidentical
Mouse includedYesYes
Keyboard includedYesYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR

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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