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Product comparison · 2 pcs/workstations

HP Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC vs Lenovo ThinkCentre A51p P4-3.0 (630) HT 512/80G/DVD/LAN/WXP US

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  • 73specifications compared
  • 15differ
  • 58identical
  • 57known for one product only

Key differences

  • Processor model
    • 640
    • 630
  • Processor frequency
    • 3.2 GHz
    • 3 GHz
  • CPU multiplier (bus/core ratio)
    • 16
    • 15
  • Total storage capacity
    • 40 GB
    • 80 GB
  • Storage drive type
    • 40 GB
    • SATA
  • Processor ARK ID
    • 27480
    • 27478
  • Thermal Monitoring Technologies
    • Yes
    • No
  • Audio system
    • Integrated Digital Audio
    • SoundMAX Cadenza

Side by side

Differences highlightedShow differences only
130 specifications
A

HP

Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PCView product
B

Lenovo

ThinkCentre A51p P4-3.0 (630) HT 512/80G/DVD/LAN/WXP USView product
Processor3 differ
Processor manufacturerIntelIntel
Processor familyIntel® Pentium® 4Intel® Pentium® 4
Processor modelDiffers640630
Processor cores11
Processor threads22
Processor frequencyDiffers3.2 GHz3 GHz
Processor cache2 MB2 MB
Processor cache typeL2L2
Processor front side bus800 MHz800 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithography90 nm90 nm
Processor operating modes64-bit64-bit
Processor codenamePrescottPrescott
Thermal Design Power (TDP)84 W84 W
Tcase66.6 °C66.6 °C
PCI Express slots versionKnown for one2.0
Processor socketLGA 775 (Socket T)LGA 775 (Socket T)
Number of Processing Die Transistors169 M169 M
Processing Die size135 mm²135 mm²
CPU multiplier (bus/core ratio)Differs1615
Processor core voltage (AC)Known for one1.25 - 1.388 V
Maximum internal memory supported by processorKnown for one32 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one1066 MHz
Memory bandwidth supported by processor (max)Known for one17 GB/s
ECC supported by processorNoNo
Processor seriesKnown for oneIntel Pentium 4 600 Series supporting Hyper-Threading Technology
Memoryidentical
Internal memory0.5 GB0.5 GB
Maximum internal memory4 GB4 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory layout (slots x size)Known for one1 x 0.5 GB
Memory slotsKnown for one4x DIMM
Memory channelsKnown for oneDual-channel
Memory upgradeKnown for one4 GB
Storage2 differ
Total storage capacityDiffers40 GB80 GB
HDD speedKnown for one7200 RPM
Storage drive controllerKnown for oneSMART III Serial ATA 1.5 GB/s
Disk subsystem controllerKnown for oneSMART III Serial ATA 1.5 GB/s
Diskette driveKnown for oneNo
Storage drive typeDiffers40 GBSATA
Optical drive typeKnown for oneDVD-ROM
Diskette drive memoryKnown for one1.44 MB
Graphics1 differ
On-board graphics cardKnown for oneYes
Discrete graphics card modelIntel® GMA 900Intel® GMA 900
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelKnown for oneIntel® HD Graphics
Number of displays supported (on-board graphics)Known for one2
On-board graphics card base frequencyKnown for one850 MHz
On-board graphics card dynamic frequency (max)Known for one1100 MHz
Maximum graphics card memoryKnown for one0.128 GB
Video card featuresKnown for one3D/2D Controller (Microsoft DirectX 9), VGA integrated controller, RAMDAC integrated (400 MHz) Intel Graphics Media Accelerator 900 100Hz @ 1920x1440, 75Hz @ 2048x1536 3D/2D Controller (Microsoft DirectX 9), VGA integrated controller, RAMDAC integrat
Video adapter, busDiffersWith the GV chipset, the integrated graphics is always enabled. Plugging in the PCI card does not disable it and does not require the integrated graphics to be re-enabledPCI Express
Video card resolutionKnown for oneMaximum Vertical Refresh Rate: 100 Hz at up to 1920x1440, 75Hz at 2048x1536. Varies with mode and configuration
Performanceidentical
Product typePCPC
Acoustic power emissionsKnown for oneIDLE (Fixed disk drive spinning): LWAd = 4.1 Bels; FIXED DISK (Random write): LWAd = 4.2 Bels; OPTICAL DRIVE (Sequential Reads): LWAd = 5.3 Bels
Network1 differ
Modem typeKnown for oneNo
Networking featuresDiffersGigabit EthernetEthernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity88
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
PS/2 ports quantity22
Serial ports quantityKnown for one1
Parallel ports quantity11
I/O portsKnown for oneRear: 6 USB 2.0, 1 standard serial, 1 optional serial, 1 parallel, 2 PS/2, 1 RJ-45, 1 VGA, audio in/out; Front: 2 USB 2.0, headphone and microphone
Expansion slotsidentical
Expansion slotsKnown for one2 x PCI (full-height) 1 x PCI-Express X1 (full-height)
Poweridentical
Power requirementsKnown for one90 ~ 132 / 180 ~ 264 VAC, 50/60 Hz
Power consumption (typical)Known for one300 W
Power supplyKnown for one310 W
Designidentical
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Country of originKnown for oneChina
Chassis typeKnown for oneTower
Software1 differ
Operating system installedWindows XP ProfessionalWindows XP Professional
Bundled softwareDiffersAltiris Deployment Solution Agent, HP Client Manager Software, Local Diskette Boot, Network Boot, Disk-on-Key Boot Microsoft Windows XP Professional SP2, Microsoft Windows XP Home SP2, Computer Setup Utility, Diagnostics for Windows, Microsoft InterLotus 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
Driver LANKnown for oneMicrosoft Windows NT 4.0, Microsoft Windows 98, Microsoft 2000, Microsoft XP, Linux 2.2, Linux 2.4
Displayidentical
Display includedNoNo
Processor special features2 differ
CPU configuration (max)Known for one1
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesNoNo
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Enhanced Halt StateNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyNoNo
Intel Virtualization Technology (VT-x)NoNo
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
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® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers2748027478
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Supported instruction setsKnown for oneSSE4.1/4.2
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
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 VT-x with Extended Page Tables (EPT)Known for oneNo
Audio1 differ
Audio systemDiffersIntegrated Digital AudioSoundMAX Cadenza
Audio includedKnown for oneSoundMax Digital AC97 Integrated Audio with Internal Speaker
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 relative humidity (non-condensing)Known for one5 - 95%
Weight & dimensions3 differ
Width175 mm175 mm
DepthDiffers420 mm450 mm
HeightDiffers366 mm492 mm
WeightDiffers11 kg13.5 kg
Keyboardidentical
Pointing deviceKnown for one2-Button Scroll Mouse PS/2 2-button scroll mouse
Keyboard typeKnown for one2004 standard PS/2 Standard Keyboard
Other features1 differ
Security featuresDiffersMechanical Hood Security Provision; Kensington Lock Support; Cable Lock Provision; Serial, Parallel, USB Enable/Disable; Removable Media Write/Boot Control; Power-On Password; Setup Password-Boot without keyboard or mouse -Configuration password -Boot sequence control -Parallel port I/O control -Hardfile I/O control -Kensington Lock Standard Enabled -Diskette boot inhibit -Diskette I/O control -Embedded Security Subsystem standard -Hard disk drive password -Power on password -Secure Da
Drive baysKnown for one2 x 5.25" (ext) & 2 x 3.5" (ext), 2 x 3.5" (int)
Optical driveidentical
DVD read speedKnown for one16x

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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