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Product comparison · 2 pcs/workstations

HP dc7900 SFF + LA1905wg vs Lenovo ThinkStation S20 (410596G), NL

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  • 56specifications compared
  • 36differ
  • 20identical
  • 74known for one product only

Key differences

The HP dc7900 SFF + LA1905wg has 0.6 GHz more processor frequency than the Lenovo ThinkStation S20 (410596G), NL (3 GHz vs 2.4 GHz). The HP dc7900 SFF + LA1905wg has 2 MB more processor cache than the Lenovo ThinkStation S20 (410596G), NL (6 MB vs 4 MB). The HP dc7900 SFF + LA1905wg has 267 MHz more processor front side bus than the Lenovo ThinkStation S20 (410596G), NL (1333 MHz vs 1066 MHz). Only the Lenovo ThinkStation S20 (410596G), NL has ECC supported by processor. Only the Lenovo ThinkStation S20 (410596G), NL has card reader integrated.

  • Processor family
    • Intel® Core™2 Duo
    • Intel® Xeon® 3000 Sequence
  • Processor model
    • E8400
    • W3503
  • Processor frequency
    • 3 GHz
    • 2.4 GHz
  • Processor cache
    • 6 MB
    • 4 MB
  • Processor cache type
    • L2
    • Smart Cache
  • Processor front side bus
    • 1333 MHz
    • 1066 MHz
  • Bus type
    • FSB
    • QPI
  • Thermal Design Power (TDP)
    • 65 W
    • 130 W

Side by side

Differences highlightedShow differences only
130 specifications
A

HP

dc7900 SFF + LA1905wgView product
B

Lenovo

ThinkStation S20 (410596G), NLView product
Processor10 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™2 DuoIntel® Xeon® 3000 Sequence
Processor modelDiffersE8400W3503
Processor cores22
Processor threads22
Processor frequencyDiffers3 GHz2.4 GHz
Processor cacheDiffers6 MB4 MB
Processor cache typeDiffersL2Smart Cache
Processor front side busDiffers1333 MHz1066 MHz
Bus typeDiffersFSBQPI
FSB ParityKnown for oneNo
Processor lithography45 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesKnown for oneIntel Core 2 Duo E8000 Series
Processor codenameKnown for oneWolfdale
Thermal Design Power (TDP)Differs65 W130 W
TcaseKnown for one72.4 °C
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one410 M
Processing Die sizeKnown for one107 mm²
CPU multiplier (bus/core ratio)Known for one9
SteppingKnown for oneE0
ECC supported by processorDiffersNoYes
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
Memory4 differ
Internal memoryDiffers2 GB6 GB
Maximum internal memoryDiffers16 GB12 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs2 x 1 GB3 x 2 GB
Memory clock speedKnown for one1066 MHz
Memory channelsKnown for oneTriple-channel
Storage2 differ
Total storage capacityKnown for one160 GB
Optical drive typeDiffersDVD±RWDVD-RW
Storage mediaKnown for oneHDD
Total HDDs capacityKnown for one160 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedDiffersNoYes
Floppy drive installedKnown for oneNo
HDD capacityKnown for one500 GB
Compatible memory cardsKnown for oneCF, MMC, SD, xD
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA 4500M
On-board graphics card modelKnown for oneNot available
Performance1 differ
Product typeDiffersPCWorkstation
Optical driveidentical
LightScribeKnown for oneYes
CD read speedKnown for one40x
Networkidentical
Ethernet LANKnown for oneYes
Wi-FiKnown for oneNo
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers810
HDMI ports quantityKnown for one0
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantityDiffers10
DVI portKnown for oneNo
PS/2 ports quantityDiffers20
Firewire (IEEE 1394) portsDiffers02
Serial ports quantity11
Parallel ports quantity00
Line-inKnown for oneYes
eSATA ports quantityKnown for one1
Poweridentical
Power consumption (typical)Known for one240 W
Power requirementsKnown for one100-240V; 50/60Hz
Power supplyKnown for one625 W
Design1 differ
Chassis typeDiffersSFFTower
Country of originKnown for oneChina
Software1 differ
Operating system installedDiffersWindows Vista BusinessWindows 7 Professional
Compatible operating systemsKnown for oneWindows XP Pro SP1/SP2 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista 32/64-bit Windows Vista Enterprise 32/64-bit Windows Vista Ultimate 32/64-bit
Display1 differ
Display includedDiffersYesNo
Display diagonalKnown for one48.3 cm (19")
Display resolutionKnown for one1440 x 900 pixels
Contrast ratio (typical)Known for one1000:1
Display brightnessKnown for one250 cd/m²
Viewing angle, horizontalKnown for one160°
Viewing angle, verticalKnown for one160°
Processor special features7 differ
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one45 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingDiffersNoYes
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneYes
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Processor ARK IDDiffers3391040800
Processor codeKnown for oneSLB9J
Processor package sizeDiffers37.5 x 37.5 mm42.5 x 45 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Conflict-Free processorKnown for oneNo
Physical Address Extension (PAE)Known for oneYes
Supported instruction setsKnown for oneSSE4.2
Audio1 differ
Audio systemDiffersHigh Definition AudioADI 1988 A
Operational conditionsidentical
Non-operating altitudeKnown for one9144
Weight & dimensions4 differ
WidthDiffers337 mm175 mm
DepthDiffers378 mm460 mm
HeightDiffers100 mm478 mm
WeightDiffers8.5 kg16.3 kg
Packaging contentidentical
Remote control includedKnown for oneNo
Mouse includedKnown for oneYes
Other featuresidentical
TV tuner integratedKnown for oneNo
Expansion slotsidentical
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one2
Keyboardidentical
Keyboard typeKnown for onePreferred Pro USB

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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