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Product comparison · 2 pcs/workstations

Dell Optiplex 780 SFF vs HP Z400 + NVIDIA Quadro 2000

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  • 82specifications compared
  • 45differ
  • 37identical
  • 64known for one product only

Key differences

The HP Z400 + NVIDIA Quadro 2000 has 2 more processor cores than the Dell Optiplex 780 SFF (4 vs 2). The HP Z400 + NVIDIA Quadro 2000 has 6 more processor threads than the Dell Optiplex 780 SFF (8 vs 2). The HP Z400 + NVIDIA Quadro 2000 has 0.27 GHz more processor frequency than the Dell Optiplex 780 SFF (3.2 GHz vs 2.93 GHz). Only the HP Z400 + NVIDIA Quadro 2000 has ECC supported by processor. Only the HP Z400 + NVIDIA Quadro 2000 has card reader integrated.

  • Processor family
    • Intel® Core™2 Duo
    • Intel® Xeon® 3000 Sequence
  • Processor model
    • E7500
    • W3565
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 8
  • Processor frequency
    • 2.93 GHz
    • 3.2 GHz
  • Processor cache
    • 3 MB
    • 8 MB
  • Processor cache type
    • L2
    • Smart Cache
  • Bus type
    • FSB
    • QPI

Side by side

Differences highlightedShow differences only
146 specifications
A

Dell

Optiplex 780 SFFView product
B

HP

Z400 + NVIDIA Quadro 2000View product
Processor17 differ
Processor familyDiffersIntel® Core™2 DuoIntel® Xeon® 3000 Sequence
Processor modelDiffersE7500W3565
Processor coresDiffers24
Processor threadsDiffers28
Processor frequencyDiffers2.93 GHz3.2 GHz
Processor cacheDiffers3 MB8 MB
Processor cache typeDiffersL2Smart Cache
Processor front side busKnown for one1066 MHz
Bus typeDiffersFSBQPI
Processor seriesDiffersIntel Core 2 Duo E7000 SeriesIntel Xeon 3500 Series
Processor codenameDiffersWolfdaleBloomfield
Thermal Design Power (TDP)Differs65 W130 W
TcaseKnown for one74.1 °C
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers228 M731 M
Processing Die sizeDiffers82 mm²263 mm²
CPU multiplier (bus/core ratio)Differs1124
PlatformKnown for onePC
SteppingDiffersR0D0
ECC supported by processorDiffersNoYes
Processor boost frequencyKnown for one3.46 GHz
System bus rateKnown for one4.8 GT/s
Number of QPI linksKnown for one1
Number of processors installedKnown for one1
Maximum internal memory supported by processorKnown for one24 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800,1066 MHz
Memory bandwidth supported by processor (max)Known for one25.6 GB/s
Memory2 differ
Internal memoryDiffers2 GB6 GB
Memory layout (slots x size)Differs1 x 2 GB3 x 2 GB
ECCKnown for oneYes
Memory channelsKnown for oneTriple-channel
Storage2 differ
Total storage capacityKnown for one250 GB
Optical drive typeDiffersDVD-RWDVD Super Multi DL
Drive device, buffer sizeKnown for one16 MB
Card reader integratedDiffersNoYes
Floppy drive installedKnown for oneNo
Storage drive average seek timeKnown for one8.5 ms
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
Graphicsidentical
Discrete graphics card modelKnown for oneIntel® GMA 4500
Graphics card RAMDACKnown for one350 MHz
Graphics card familyKnown for oneIntel
Graphics cardKnown for oneNo
Performance1 differ
Product typeDiffersPCWorkstation
Password protection typeKnown for oneBIOS
Motherboard chipsetKnown for oneIntel® X58 Express
Network1 differ
Ethernet LANKnown for oneYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiKnown for oneNo
Networking featuresDiffersGigabit EthernetGigabit Ethernet (10/100/1000)
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers98
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 quantityKnown for one1
DVI portKnown for oneNo
PS/2 ports quantityDiffers02
Firewire (IEEE 1394) portsKnown for one0
eSATA ports quantityKnown for one1
Serial ports quantityKnown for one1
Parallel ports quantityKnown for one1
Expansion slotsidentical
Number of 3.5" baysKnown for one2
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one2
Power1 differ
Power requirementsKnown for one90 - 264 V
Power supplyDiffers235 W475 W
Design1 differ
Chassis typeDiffersSFFMinitower
Number of 5.25" baysKnown for one1
Product colourKnown for oneBlack
External drive baysKnown for one1x 3.5", 1x 5.25"
Internal drive baysKnown for one1x 3.5"
Country of originKnown for oneChina
Softwareidentical
Compatible operating systemsKnown for oneWin 7 Ultimate/Vista Business/Vista Home Basic Ubuntu Linux
Mac compatibilityKnown for oneNo
Operating system architectureKnown for one64-bit
Processor special features9 differ
Intel Demand Based SwitchingDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)Differs2Yes
Processor ARK IDDiffers3650339721
Processor codeDiffersSLB9ZSLBEV
Processor package sizeDiffers37.5 x 37.5 mm42.5 x 45.0 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
CPU configuration (max)Known for one1
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
Supported instruction setsKnown for oneSSE4.2
Operational conditions4 differ
Operating temperature (T-T)Differs50 - 95 °F5 - 35 °C
Storage temperature (T-T)Differs-40 - 65 °C-40 - 60 °C
Operating relative humidity (H-H)Differs20 - 80%8 - 85%
Operating altitudeKnown for one-15.2 - 3048 m
Non-operating altitudeDiffers-15.2 - 10668 m9100
Storage relative humidity (H-H)Known for one8 - 90%
Weight & dimensions4 differ
WidthDiffers92.6 mm167.9 mm
DepthDiffers340 mm455.3 mm
HeightDiffers314 mm450.2 mm
WeightDiffers6.8 kg13.5 kg
Weight (imperial)Known for one6.8 kg (15 lbs)
Certificatesidentical
Compliance industry standardsKnown for oneIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
CertificationKnown for oneEPEAT Gold, CECP, TCO 05, WEEE, CES, RoHS
Other featuresidentical
HDD user passwordKnown for oneYes
Optical driveidentical
LightScribeKnown for oneYes
Audioidentical
Audio systemKnown for oneHigh Definition Audio

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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