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Product comparison · 2 pcs/workstations

HP Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC vs HP Compaq dx7400 Intel Core™2 Duo Processor E6550 1G/160G DVD-ROM FreeDOS Microtower PC

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  • 112specifications compared
  • 44differ
  • 68identical
  • 17known for one product only

Key differences

  • Processor model
    • E4500
    • E6550
  • Processor frequency
    • 2.2 GHz
    • 2.33 GHz
  • Processor cache
    • 2 MB
    • 4 MB
  • Processor front side bus
    • 800 MHz
    • 1333 MHz
  • Tcase
    • 73.3 °C
    • 72 °C
  • Number of Processing Die Transistors
    • 167 M
    • 291 M
  • Processing Die size
    • 111 mm²
    • 143 mm²
  • CPU multiplier (bus/core ratio)
    • 11
    • 7

Side by side

Differences highlightedShow differences only
129 specifications
A

HP

Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PCView product
B

HP

Compaq dx7400 Intel Core™2 Duo Processor E6550 1G/160G DVD-ROM FreeDOS Microtower PCView product
Processor10 differ
Processor modelDiffersE4500E6550
Processor frequencyDiffers2.2 GHz2.33 GHz
Processor cacheDiffers2 MB4 MB
Processor front side busDiffers800 MHz1333 MHz
Processor seriesDiffersIntel Core 2 Duo E4000 SeriesIntel Core 2 Duo E6000 Series
TcaseDiffers73.3 °C72 °C
Number of Processing Die TransistorsDiffers167 M291 M
Processing Die sizeDiffers111 mm²143 mm²
CPU multiplier (bus/core ratio)Differs117
SteppingDiffersM0G0
Processor core voltage (AC)Known for one0.85 - 1.5 V
Cache externalKnown for one2048 KB
Memoryidentical
Memory slotsKnown for one2x SO-DIMM
Storage3 differ
Total storage capacityDiffers160 GB250 GB
Storage drive controllerDiffersSATA 3.0Gb/s NCQ SMART VISATA 3.0Gb/s NCQ SMART IV
Storage drive typeDiffers160 GB250 GB
Graphics1 differ
Graphics card Open GL supportKnown for oneYes
Video adapter resolutionKnown for one2048x1536
Video card resolutionDiffersMaximum Vertical Refresh Rate: 85 Hz at up to 1920x1440, 75 Hz at 2048x1536Maximum Vertical Refresh Rate: 85 Hz at up to 1920x1440, 85 Hz at 2048x1536
Performanceidentical
Acoustic power emissionsKnown for oneIDLE: LWAd = 4.3 Bels; FIXED DISK: LWAd = 4.8 Bels; OPTICAL DRIVE: LWAd = 5.2 Bels
Network2 differ
Modem typeDiffersNoAgere 56K PCI
Modem speedKnown for one56 Kbit/s
Networking featuresDiffersIntel 82566DM GigabitNetXtreme Gigabit Ethernet
Ports & interfaces2 differ
Headphone outputsKnown for one1
Microphone inKnown for oneYes
Serial ports quantityKnown for one1
Parallel ports quantityKnown for one1
I/O portsDiffersRear: 6 USB 2.0, 1 serial port, 1 optional serial port, 1 parallel port, 2 PS/2, 1 RJ-45, 1 VGA, audio in/out; Front: 2 USB 2.0, audio portsRear: 6 USB 2.0, 1 serial port, 1 optional second serial port, 1 parallel port, 2 PS/2, 1 RJ-45, 1 VGA, audio in/out, Mic In, Front: 2 USB 2.0, audio ports
Front connectionsDiffers2 x USB2 x USB 2.0
DVI portKnown for oneYes
Expansion slots1 differ
Expansion slotsDiffers1 low-profile PCI, 2 full-height PCI (optional), 1 low-profile PCI Express x16, 2 low-profile PCI Express x11 x PCI 2.3 2 x PCI Express x1 1 x PCI Express x16
Power3 differ
Power requirementsDiffersInput voltage 90 – 264 / 100 – 240 VAC, 50/60 Hz, 47 – 63 Hz, active PFC (80% High Efficiency) Operating Voltage Range: 90 – 264 VAC; Rated Voltage Range: 100 – 240 VAC; Rated Line Frequency: 50/60 Hz; Operating Line Frequency Range: 47 – 63 Hz; Rated Input Current: 4.0 A; Rated Input Current 80 PluInput voltage 90 – 140 / 100 – 127 VAC, 50/60 Hz, 47 – 63 Hz, passive PFC Passive Power Factor Correction (PFC) - with line switch set to 230 V - No PFC in 115 V line switch position; 90 to 140 VAC, or 180 to 264 VAC operating voltage range; 100 to 127 VAC, or 200 to 240 VAC rated voltage range; 50-
Power consumption (typical)Differs240 W300 W
Power managementDiffersOperating Voltage Range: 90 – 264 VAC; Rated Voltage Range: 100 – 240 VAC; Rated Line Frequency: 50/60 Hz; Operating Line Frequency Range: 47 – 63 Hz; Rated Input Current: 4.0 A; Rated Input Current 80 Plus: 3.5 A; Current Leakage (NFPA 99): < 275 µA; System Heat Dissipation: Typical 198 btu/hr (50No
Power supply input frequencyKnown for one50 - 60 Hz
Design3 differ
Chassis typeDiffersSFFMicro Tower
ErgonomicsKnown for oneANSI HFS 100, ISO 9241-4 / TUVGS
External drive baysDiffers1 x Slimline2 x 5.25", 1 x 3.5"
Internal drive baysDiffers1 x 3.5"2 x 3.5"
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Software2 differ
Operating system installedDiffersWindows Vista BusinessWindows XP Professional
Bundled softwareDiffersHP Total Care Advisor, InterVideo WinDVD 5.0, Microsoft Office 2007 Small Business, Microsoft Internet Explorer / Google ToolbarMicrosoft Office 2007 Basic, Microsoft Office 2007 Small Business, Microsoft Office 2007 Professional
Driver LANKnown for oneMicrosoft Windows Vista, Microsoft Windows XP, Microsoft Windows 2000
Processor special features4 differ
Intel Trusted Execution TechnologyDiffersNoYes
Intel Virtualization Technology (VT-x)DiffersNoYes
Processor ARK IDDiffers3078130783
Processor codeDiffersSLA95SLA9X
Audio2 differ
Audio systemDiffersADI1884Realtek ALC888
Audio includedDiffersIntegrated High Definition audio with ADI1884 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speakerIntegrated High Definition audio with Realtek ALC888 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speaker
Operational conditions2 differ
Storage relative humidity (H-H)Differs5 - 95%10 - 95%
Non-operating relative humidity (non-condensing)Differs5 - 90%10 - 95%
Weight & dimensions4 differ
WidthDiffers337 mm163 mm
DepthDiffers378 mm458 mm
HeightDiffers100 mm25 mm
WeightDiffers8.5 kg9.6 kg
Keyboard2 differ
Pointing deviceDiffersHP PS/2 2-Button Optical Scroll Mouse HP PS/2 2-Button Optical Scroll Mouse or HP USB 2-Button Optical Scroll MousePS/2, USB
Keyboard typeDiffersHP PS/2 HP Standard Keyboard (PS/2 or USB) or HP USB Smartcard KeyboardHP PS/2 HP Standard (PS/2, USB)
Features1 differ
Security management descriptionDiffersIntegrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Biometric Fingerprint ReaderPadlock loop, Kensington Lock Support
Other features2 differ
Security featuresDiffersKensington Lock, Solenoid Hood Lock / SensorHP Business security lock kit optional
Drive baysDiffers1 internal 3.5 inch 1 external 5.25 inch, 1 external 3.5 inch2 internal 3.5 inch 2 external 5.25 inch, 1 external 3.5 inch

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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