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Product comparison · 2 pcs/workstations

HP Compaq dc7900 Intel® Core™2 Duo E8400 vs HP dc7900 CMT

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  • 101specifications compared
  • 22differ
  • 79identical
  • 62known for one product only

Key differences

The HP dc7900 CMT has 0.16 GHz more processor frequency than the HP Compaq dc7900 Intel® Core™2 Duo E8400 (3.16 GHz vs 3 GHz). The HP dc7900 CMT has 0.5 more CPU multiplier (bus/core ratio) than the HP Compaq dc7900 Intel® Core™2 Duo E8400 (9.5 vs 9). The HP dc7900 CMT has 90 GB more total storage capacity than the HP Compaq dc7900 Intel® Core™2 Duo E8400 (250 GB vs 160 GB). Only the HP Compaq dc7900 Intel® Core™2 Duo E8400 has embedded options available. Processor model: E8400 on the HP Compaq dc7900 Intel® Core™2 Duo E8400, E8500 on the HP dc7900 CMT.

  • Processor model
    • E8400
    • E8500
  • Processor frequency
    • 3 GHz
    • 3.16 GHz
  • CPU multiplier (bus/core ratio)
    • 9
    • 9.5
  • Stepping
    • E0
    • C0
  • Total storage capacity
    • 160 GB
    • 250 GB
  • Optical drive type
    • DVD-ROM
    • DVD±RW
  • Total HDDs capacity
    • 160 GB
    • 250 GB
  • HDD interface
    • SATA II
    • SATA

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Differences highlightedShow differences only
163 specifications
A

HP

Compaq dc7900 Intel® Core™2 Duo E8400

Model dc7900

View product
B

HP

dc7900 CMTView product
Processor4 differ
Processor modelDiffersE8400E8500
Processor frequencyDiffers3 GHz3.16 GHz
Processor system typeKnown for oneDP
Number of processors installedKnown for one1
CPU multiplier (bus/core ratio)Differs99.5
Processor core voltage (AC)Known for one0.850/1.3625 V
SteppingDiffersE0C0
Memoryidentical
Memory upgradeKnown for one16 GB
Memory slotsKnown for one4x DIMM
Storage4 differ
Total storage capacityDiffers160 GB250 GB
Optical drive typeDiffersDVD-ROMDVD±RW
Total HDDs capacityDiffers160 GB250 GB
HDD interfaceDiffersSATA IISATA
Maximum HDD capacityKnown for one500 GB
Minimum storage drive spaceKnown for one80 GB
Floppy drive installedKnown for oneNo
Storage drive controllerKnown for oneSATA 3.0Gb/s
Diskette driveKnown for oneOptional
Storage drive typeKnown for one250 GB
HDD controller typeKnown for oneSATA (7200 rpm)
Number of HDDs supportedKnown for one1
Number of HDDs installedKnown for one1
HDD capacityKnown for one160 GB
HDD sizeKnown for one3.5"
Graphics1 differ
Discrete graphics cardKnown for oneNo
On-board graphics card modelDiffersNot availableIntel® GMA 4500M
Video card featuresKnown for one3D/2D Controller: support is fully compliant with Microsoft standard API such as Microsoft DirectX9, DirectXVA, VMR9, GDI/GDI+; OpenGL 1.4.; Integrated VGA Controller; Integrated 400 MHz RAMDAC; Overlay Planes: Single overlay support with 5x3 filtering; Maximum Color Depth: 32 bits/pixel; Multi-disp
Video adapter, busKnown for onePCI Express x16
On-board graphics card familyKnown for oneIntel® GMA
Networkidentical
Networking featuresKnown for oneGigabit Ethernet
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfacesidentical
Firewire (IEEE 1394) portsKnown for one0
Parallel ports quantityKnown for one0
I/O portsKnown for oneRear: 6 USB 2.0, 1 serial port, 2 PS/2, 1 RJ-45, 1 VGA, 1 DisplayPort, audio in/out; Front: 2 USB 2.0, audio ports; Optional: 2nd serial port, 1 parallel port
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
DisplayPorts quantityKnown for one1
Line-outKnown for oneYes
Line-inKnown for oneYes
Expansion slots2 differ
PCI Express x1 slotsDiffers12
PCI Express x16 slotsDiffers21
Expansion slotsKnown for one3 full-height PCI, 1 full-height PCI Express x16, 2 full-height PCI Express x1
Number of 3.5" baysKnown for one2
PCI slotsKnown for one1
Power1 differ
Power requirementsKnown for one90 – 264 / 100 – 240 VAC, 50/60 Hz
Power supplyDiffers240 W365 W
Power consumption (typical)Known for one365 W
Power supply input voltageKnown for one100 - 240 V
Power supply input frequencyKnown for one50 - 60 Hz
Design2 differ
Chassis typeDiffersSFFMini Tower
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
Product colourDiffersBlackBlack, Silver
Upgrade typeKnown for oneWindows Vista capable
Placement supportedKnown for oneHorizontal
Number of 5.25" baysKnown for one1
Cooling typeKnown for oneActive
Softwareidentical
Applications supportedKnown for oneWindows Vista Premium ready
Bundled softwareKnown for oneHP ProtectTools Security Software Suite Version 4.0, HP Power Manager, HP Firefox Virtual Browser, HP Backup & Recovery Manager, HP Insight Diagnostics Software, Computer Setup Utility, Roxio Creator Business 10 or DVD 10 / Easy Media Creator 9.0, Intervideo WinDVD 8 LE, PDF Complete
Driver LANKnown for oneMicrosoft Windows Vista, Microsoft Windows XP
Operating system architectureKnown for one32-bit
Drivers includedKnown for oneYes
Processor special features3 differ
Embedded options availableDiffersYesNo
Processor ARK IDDiffers3391033911
Processor codeDiffersSLB9JSLAPK
Graphics & IMC lithographyKnown for one45 nm
Audio1 differ
Audio systemDiffersADI1884High Definition Audio
Audio includedKnown for oneIntegrated HD audio with ADI1884 codec, internal PC speaker
Operational conditionsidentical
Non-operating altitudeKnown for one9144
Weight & dimensions4 differ
WidthDiffers337 mm177 mm
DepthDiffers378 mm452 mm
HeightDiffers100 mm447 mm
WeightDiffers8.5 kg11.8 kg
Packaging contentidentical
Remote control includedKnown for oneNo
Mouse includedKnown for oneYes
Keyboard includedKnown for oneYes
Keyboardidentical
Pointing deviceKnown for oneHP PS/2 2-Button Optical Scroll Mouse
Keyboard typeKnown for oneHP PS/2 Standard Keyboard
Featuresidentical
Security management descriptionKnown for oneIntegrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Smartcard Keyboard
Other featuresidentical
Security featuresKnown for oneKensington Lock, Solenoid Hood Lock / Sensor
TV tuner integratedKnown for oneNo
Drive baysKnown for one3 external 5.25 inch, 1 external 3.5 inch 2 internal 3.5 inch
Optical driveidentical
Optical drives quantityKnown for one1
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY 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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