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Product comparison · 2 pcs/workstations

HP Compaq dc7800 convertible minitower pc + L2245W vs Lenovo ThinkCentre A51p Intel® Pentium® 4 530

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  • 81specifications compared
  • 36differ
  • 45identical
  • 52known for one product only

Key differences

  • Processor family
    • Intel® Core™2 Duo
    • Intel® Pentium® 4
  • Processor model
    • E6750
    • 530
  • Processor cores
    • 2
    • 1
  • Processor threads
    • 2
    • 1
  • Processor frequency
    • 2.66 GHz
    • 1.73 GHz
  • Processor cache
    • 4 MB
    • 1 MB
  • Processor front side bus
    • 1333 MHz
    • 533 MHz
  • Processor codename
    • Conroe
    • Merom

Side by side

Differences highlightedShow differences only
133 specifications
A

HP

Compaq dc7800 convertible minitower pc + L2245WView product
B

Lenovo

ThinkCentre A51p Intel® Pentium® 4 530

Model A51p

View product
Processor13 differ
Processor familyDiffersIntel® Core™2 DuoIntel® Pentium® 4
Processor modelDiffersE6750530
Processor coresDiffers21
Processor threadsDiffers21
Processor frequencyDiffers2.66 GHz1.73 GHz
Processor cacheDiffers4 MB1 MB
Processor front side busDiffers1333 MHz533 MHz
Processor seriesKnown for oneIntel Core 2 Duo E6000 Series
Processor codenameDiffersConroeMerom
Thermal Design Power (TDP)Differs65 W27 W
TcaseDiffers72 °C67.7 °C
Processor socketDiffersLGA 775 (Socket T)Socket AM2
CPU multiplier (bus/core ratio)Differs814
SteppingDiffersG0A1
Processor technologyKnown for oneIntel vPro
TjunctionKnown for one100 °C
Processor core voltage (AC)Known for one0.95 - 1.30 V
Memory1 differ
Internal memoryDiffers2 GB0.5 GB
Memory upgradeKnown for one8 GB
Maximum internal memoryKnown for one4 GB
Storage1 differ
Total storage capacityDiffers250 GB160 GB
Optical drive typeKnown for oneDVD Super Multi
Number of HDDs installedKnown for one1
HDD interfaceKnown for oneSATA II
HDD speedKnown for one7200 RPM
Card reader integratedKnown for oneNo
Storage drive controllerKnown for oneSATA 3.0Gb/s NCQ SMART VI
Disk subsystem controllerKnown for oneSATA 3.0Gb/s
Diskette drive memoryKnown for one1.44 MB
Graphics2 differ
Discrete graphics card modelDiffersIntel® GMA 3100Intel® GMA 900
Maximum graphics card memoryKnown for one0.256 GB
Video card featuresKnown for one3D/2D
Video adapter, busDiffersPCI Express x16PCI Express
Video card resolutionKnown for oneMaximum Vertical Refresh Rate: 85 Hz at up to 1920x1440, 75 Hz at 2048x1536
Video adapter resolutionKnown for one2048x1536 16777216 colors
Optical driveidentical
LightScribeKnown for oneYes
Network1 differ
Modem typeKnown for oneNo
Networking featuresDiffersIntel 82566DMEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
HDMI ports quantityKnown for one0
eSATA ports quantityKnown for one0
Serial ports quantityDiffers10
Audio inputKnown for one1
SmartCard slotKnown for oneNo
Modem (RJ-11) portsKnown for one0
USB 1.1 ports quantityKnown for one0
Expansion slotsidentical
PCI Express x1 slotsKnown for one2
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one3
Poweridentical
Power consumption (typical)Known for one365 W
Power supplyKnown for one310 W
Design1 differ
Chassis typeDiffersMini TowerTower
Country of originKnown for oneChina
Upgrade typeKnown for oneWindows Vista
Softwareidentical
Applications supportedKnown for oneWindows Vista Premium ready
Driver LANKnown for oneMicrosoft Windows Vista, Microsoft Windows XP, Microsoft Windows 2000
Operating system installedKnown for oneWindows XP Professional
Bundled softwareKnown for oneLotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue
Display1 differ
Display includedDiffersYesNo
Display diagonalKnown for one55.9 cm (22")
Processor special features10 differ
Embedded options availableDiffersNoYes
Enhanced Intel SpeedStep TechnologyDiffersYesNo
Idle StatesDiffersYesNo
Intel Enhanced Halt StateDiffersYesNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel Virtualization Technology (VT-x)DiffersYesNo
Processor ARK IDDiffers3078429733
Processor codeDiffersSLA9VSLA2G
Processor package sizeDiffers37.5 x 37.5 mm35 mm
Thermal Monitoring TechnologiesDiffersYesNo
Audioidentical
Audio includedKnown for oneIntegrated High Definition audio with ADI1884 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speaker
Audio systemKnown for oneSoundMAX Cadenza
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 35 °C
Storage temperature (T-T)Known for one-30 - 60 °C
Operating relative humidity (H-H)Known for one10 - 90%
Storage relative humidity (H-H)Known for one5 - 95%
Relative humidityKnown for one10 - 90%
Non-operating altitudeKnown for one9144
Non-operating relative humidity (non-condensing)Known for one5 - 90%
Weight & dimensions4 differ
WidthDiffers177 mm175 mm
DepthDiffers452 mm450 mm
HeightDiffers447 mm492 mm
WeightDiffers11.8 kg13.5 kg
Multimediaidentical
Built-in cameraKnown for oneNo
Keyboardidentical
Pointing deviceKnown for oneHP PS/2 2-Button Optical Scroll Mouse
Keyboard typeKnown for oneHP PS/2
Featuresidentical
Security management descriptionKnown for oneIntegrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Biometric Fingerprint Reader
Other features1 differ
Security featuresDiffersKensington Lock, Solenoid Hood Lock / Sensor-Configuration password -Boot sequence control -Boot without keyboard or mouse -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Kensington Lock Standard Enabled -Hard disk drive password -Embedded Security Subsystem standard -Parallel port I/O control -Serial port I/O control -Sec
Drive baysKnown for one3 external 5.25 inch, 1 external 3.5 inch 2 internal 3.5 inch

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