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Product comparison · 2 pcs/workstations

Fujitsu SCALEO Pi 2664 vs HP Compaq dc7900 Intel® Core™2 Duo E8400

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  • 91specifications compared
  • 41differ
  • 50identical
  • 48known for one product only

Key differences

The Fujitsu SCALEO Pi 2664 has 2 more processor cores than the HP Compaq dc7900 Intel® Core™2 Duo E8400 (4 vs 2). The Fujitsu SCALEO Pi 2664 has 2 more processor threads than the HP Compaq dc7900 Intel® Core™2 Duo E8400 (4 vs 2). The HP Compaq dc7900 Intel® Core™2 Duo E8400 has 0.5 GHz more processor frequency than the Fujitsu SCALEO Pi 2664 (3 GHz vs 2.5 GHz). Only the Fujitsu SCALEO Pi 2664 has FSB Parity. Only the Fujitsu SCALEO Pi 2664 has DVI port.

  • Processor family
    • Intel® Core™2 Quad
    • Intel® Core™2 Duo
  • Processor model
    • Q9300
    • E8400
  • Processor cores
    • 4
    • 2
  • Processor threads
    • 4
    • 2
  • Processor frequency
    • 2.5 GHz
    • 3 GHz
  • FSB Parity
    • Yes
    • No
  • Processor codename
    • Yorkfield
    • Wolfdale
  • Thermal Design Power (TDP)
    • 95 W
    • 65 W

Side by side

Differences highlightedShow differences only
139 specifications
A

Fujitsu

SCALEO Pi 2664View product
B

HP

Compaq dc7900 Intel® Core™2 Duo E8400

Model dc7900

View product
Processor14 differ
Processor familyDiffersIntel® Core™2 QuadIntel® Core™2 Duo
Processor modelDiffersQ9300E8400
Processor coresDiffers42
Processor threadsDiffers42
Processor frequencyDiffers2.5 GHz3 GHz
FSB ParityDiffersYesNo
Processor seriesDiffersIntel Core 2 Quad Q9000 Series for DesktopIntel Core 2 Duo E8000 Series
Processor codenameDiffersYorkfieldWolfdale
Thermal Design Power (TDP)Differs95 W65 W
TcaseDiffers71.4 °C72.4 °C
Number of Processing Die TransistorsDiffers456 M410 M
Processing Die sizeDiffers164 mm²107 mm²
CPU multiplier (bus/core ratio)Differs7.59
SteppingDiffersM1E0
Number of processors installedKnown for one1
Memory4 differ
Internal memoryDiffers4 GB2 GB
Maximum internal memoryDiffers4 GB16 GB
Memory layout (slots x size)Differs2 x 2 GB2 x 1 GB
Memory slotsKnown for one4x DIMM
Memory clock speedDiffers667 MHz800 MHz
Storage2 differ
Total storage capacityDiffers1 TB160 GB
Optical drive typeKnown for oneDVD-ROM
Storage mediaKnown for oneHDD
Number of HDDs supportedKnown for one1
Total HDDs capacityKnown for one160 GB
Number of HDDs installedDiffers21
HDD capacityKnown for one160 GB
HDD speedKnown for one7200 RPM
HDD sizeKnown for one3.5"
HDD capacity (group 1)Known for one500 GB
Graphics1 differ
On-board graphics cardKnown for oneYes
Discrete graphics card modelDiffersNVIDIA GeForce 8600 GSNot available
On-board graphics card familyKnown for oneIntel® GMA
On-board graphics card modelKnown for oneNot available
Discrete graphics card memoryKnown for one0.512 GB
Performanceidentical
Motherboard chipsetKnown for oneIntel® Q45
Optical driveidentical
Optical drives quantityKnown for one1
Network1 differ
Ethernet LANKnown for oneYes
Ethernet LAN data ratesDiffers1000 Mbit/s10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiKnown for oneNo
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers58
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
DisplayPorts quantityKnown for one1
HDMI ports quantityKnown for one0
Headphone outputsDiffers21
Line-outKnown for oneYes
Line-inKnown for oneYes
VGA (D-Sub) ports quantityDiffers21
DVI portDiffersYesNo
Firewire (IEEE 1394) portsKnown for one2
TV-outKnown for oneYes
TV-out typeKnown for oneS-Video
Parallel ports quantityKnown for one1
Expansion slots2 differ
Number of 3.5" baysKnown for one2
PCI Express x16 slotsDiffers12
PCI slotsDiffers21
Power2 differ
Power supplyDiffers400 W240 W
Power supply input voltageDiffers220 - 240 V100 - 240 V
Power supply typeKnown for oneATX
Design1 differ
Chassis typeDiffersTowerSFF
Placement supportedKnown for oneHorizontal
Number of 5.25" baysKnown for one1
Product colourKnown for oneBlack
Cooling typeKnown for oneActive
Country of originKnown for oneChina
Software1 differ
Operating system installedDiffersWindows Vista Home PremiumWindows Vista Business
Operating system architectureKnown for one32-bit
Drivers includedKnown for oneYes
Trial softwareKnown for oneMicrosoft Office Home and Student
Bundled softwareKnown for one- Microsoft Works - Adobe Acrobat Reader - Nero Essentials S - CyberLink PowerDVD BD/HD - Norman/Symantec security
Processor special features3 differ
Embedded options availableDiffersNoYes
Graphics & IMC lithographyKnown for one45 nm
Processor ARK IDDiffers3392233910
Processor codeDiffersSLAWESLB9J
Audio1 differ
Audio systemDiffersHD Audio 7.1ch.ADI1884
Operational conditions1 differ
Operating temperature (T-T)Differs15 - 35 °C10 - 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%
Weight & dimensions4 differ
WidthDiffers200 mm337 mm
DepthDiffers435 mm378 mm
HeightDiffers373 mm100 mm
WeightDiffers12.5 kg8.5 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Keyboard includedKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Certificatesidentical
CertificationKnown for oneIEC60950-1, EN60950-1, LVD 2006/95/EC, EN55022/B, EN55024, EN61000-3-2/3, EMC 2004/108/EC, FSC-03230, RoHS

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