Product comparison · 2 pcs/workstations

HP Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC vs Lenovo ThinkCentre M51

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  • 28specifications compared
  • 9differ
  • 19identical
  • 100known for one product only

Key differences

  • Internal memory type
    • Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC:DDR2-SDRAM
    • ThinkCentre M51:DDR-SDRAM
  • Total storage capacity
    • Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC:40 GB
    • ThinkCentre M51:80 GB
  • Audio system
    • Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC:Integrated Digital Audio
    • ThinkCentre M51:SoundMAX Cadenza
  • Depth
    • Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC:420 mm
    • ThinkCentre M51:450 mm
  • Height
    • Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC:366 mm
    • ThinkCentre M51:492 mm
  • Weight
    • Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC:11 kg
    • ThinkCentre M51:13.5 kg

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Comparison of Compaq dc5100 P4 640 HT 512M/40G DVD-CDRW LAN WXP Pro SP2 Microtower PC, ThinkCentre M51
128 specifications
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel® Pentium® 4Intel® Pentium® 4
Processor modelKnown for one640Unknown — not stated by the source
Processor coresKnown for one1Unknown — not stated by the source
Processor threadsKnown for one2Unknown — not stated by the source
Processor frequency3.2 GHz3.2 GHz
Processor cacheKnown for one2 MBUnknown — not stated by the source
Processor cache typeKnown for oneL2Unknown — not stated by the source
Processor front side bus800 MHz800 MHz
Bus typeKnown for oneFSBUnknown — not stated by the source
FSB ParityKnown for oneNoUnknown — not stated by the source
Processor lithographyKnown for one90 nmUnknown — not stated by the source
Processor operating modesKnown for one64-bitUnknown — not stated by the source
Processor codenameKnown for onePrescottUnknown — not stated by the source
Thermal Design Power (TDP)Known for one84 WUnknown — not stated by the source
TcaseKnown for one66.6 °CUnknown — not stated by the source
PCI Express slots versionKnown for one2.0Unknown — not stated by the source
Processor socketKnown for oneLGA 775 (Socket T)Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one169 MUnknown — not stated by the source
Processing Die sizeKnown for one135 mm²Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one16Unknown — not stated by the source
Processor core voltage (AC)Known for one1.25 - 1.388 VUnknown — not stated by the source
Maximum internal memory supported by processorKnown for one32 GBUnknown — not stated by the source
Memory types supported by processorKnown for oneDDR3-SDRAMUnknown — not stated by the source
Memory clock speeds supported by processorKnown for one1066 MHzUnknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one17 GB/sUnknown — not stated by the source
ECC supported by processorKnown for oneNoUnknown — not stated by the source
Memory1 differ
Internal memory0.5 GB0.5 GB
Maximum internal memory4 GB4 GB
Internal memory typeDiffersDDR2-SDRAMDDR-SDRAM
Memory layout (slots x size)Known for one1 x 0.5 GBUnknown — not stated by the source
Memory slotsKnown for one4x DIMMUnknown — not stated by the source
Memory channelsKnown for oneDual-channelUnknown — not stated by the source
Memory upgradeKnown for one4 GBUnknown — not stated by the source
Storage1 differ
Total storage capacityDiffers40 GB80 GB
HDD speed7200 RPM7200 RPM
Storage drive controllerKnown for oneSMART III Serial ATA 1.5 GB/sUnknown — not stated by the source
Disk subsystem controllerKnown for oneSMART III Serial ATA 1.5 GB/sUnknown — not stated by the source
Diskette driveKnown for oneNoUnknown — not stated by the source
Storage drive typeKnown for one40 GBUnknown — not stated by the source
Optical drive typeKnown for oneUnknown — not stated by the sourceDVD-ROM
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA
Diskette drive memoryKnown for oneUnknown — not stated by the source1.44 MB
Graphicsidentical
On-board graphics cardKnown for oneYesUnknown — not stated by the source
Discrete graphics card modelIntel® GMA 900Intel® GMA 900
On-board graphics card familyKnown for oneIntel® HD GraphicsUnknown — not stated by the source
On-board graphics card modelKnown for oneIntel® HD GraphicsUnknown — not stated by the source
Number of displays supported (on-board graphics)Known for one2Unknown — not stated by the source
On-board graphics card base frequencyKnown for one850 MHzUnknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one1100 MHzUnknown — not stated by the source
Maximum graphics card memoryKnown for one0.128 GBUnknown — not stated by the source
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 integratUnknown — not stated by the source
Video adapter, busKnown for oneWith 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-enabledUnknown — not stated by the source
Video card resolutionKnown for oneMaximum Vertical Refresh Rate: 100 Hz at up to 1920x1440, 75Hz at 2048x1536. Varies with mode and configurationUnknown — not stated by the source
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 BelsUnknown — not stated by the source
Network1 differ
Modem typeKnown for oneNoUnknown — not stated by the source
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 one1Unknown — not stated by the source
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 microphoneUnknown — not stated by the source
Line-outKnown for oneUnknown — not stated by the sourceYes
Line-inKnown for oneUnknown — not stated by the sourceYes
Expansion slotsidentical
Expansion slotsKnown for one2 x PCI (full-height) 1 x PCI-Express X1 (full-height)Unknown — not stated by the source
Poweridentical
Power requirementsKnown for one90 ~ 132 / 180 ~ 264 VAC, 50/60 HzUnknown — not stated by the source
Power consumption (typical)Known for one300 WUnknown — not stated by the source
Power supplyKnown for oneUnknown — not stated by the source310 W
Designidentical
Cable lock slotKnown for oneYesUnknown — not stated by the source
Cable lock slot typeKnown for oneKensingtonUnknown — not stated by the source
Country of originKnown for oneChinaUnknown — not stated by the source
Chassis typeKnown for oneUnknown — not stated by the sourceTower
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, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue and Recovery with Rapid Restore
Driver LANKnown for oneMicrosoft Windows NT 4.0, Microsoft Windows 98, Microsoft 2000, Microsoft XP, Linux 2.2, Linux 2.4Unknown — not stated by the source
Displayidentical
Display includedNoNo
Processor special featuresidentical
CPU configuration (max)Known for one1Unknown — not stated by the source
Embedded options availableKnown for oneNoUnknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for oneYesUnknown — not stated by the source
Execute Disable BitKnown for oneYesUnknown — not stated by the source
Idle StatesKnown for oneNoUnknown — not stated by the source
Intel 64Known for oneYesUnknown — not stated by the source
Intel Clear Video TechnologyKnown for oneNoUnknown — not stated by the source
Intel Demand Based SwitchingKnown for oneNoUnknown — not stated by the source
Intel Enhanced Halt StateKnown for oneNoUnknown — not stated by the source
Intel Rapid Storage TechnologyKnown for oneNoUnknown — not stated by the source
Intel Trusted Execution TechnologyKnown for oneNoUnknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for oneNoUnknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNoUnknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for oneNoUnknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNoUnknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNoUnknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Insider™Known for oneNoUnknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for oneNoUnknown — not stated by the source
Processor ARK IDKnown for one27480Unknown — not stated by the source
Processor package sizeKnown for one37.5 x 37.5 mmUnknown — not stated by the source
Supported instruction setsKnown for oneSSE4.1/4.2Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for oneYesUnknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for oneNoUnknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneYesUnknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for oneNoUnknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for oneNoUnknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for oneNoUnknown — not stated by the source
Conflict-Free processorKnown for oneNoUnknown — not stated by the source
Audio1 differ
Audio systemDiffersIntegrated Digital AudioSoundMAX Cadenza
Audio includedKnown for oneSoundMax Digital AC97 Integrated Audio with Internal SpeakerUnknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 35 °CUnknown — not stated by the source
Storage temperature (T-T)Known for one-30 - 60 °CUnknown — not stated by the source
Operating relative humidity (H-H)Known for one10 - 90%Unknown — not stated by the source
Storage relative humidity (H-H)Known for one5 - 95%Unknown — not stated by the source
Relative humidityKnown for one10 - 90%Unknown — not stated by the source
Non-operating relative humidity (non-condensing)Known for one5 - 95%Unknown — not stated by the source
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 mouseUnknown — not stated by the source
Keyboard typeKnown for one2004 standard PS/2 Standard KeyboardUnknown — not stated by the source
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 -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Padlock loop -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control
Drive baysKnown for one2 x 5.25" (ext) & 2 x 3.5" (ext), 2 x 3.5" (int)Unknown — not stated by the source
Intel segment taggingKnown for oneUnknown — not stated by the sourceEnterprise, Professional
Optical driveidentical
DVD read speedKnown for oneUnknown — not stated by the source16x

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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