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Product comparison · 2 pcs/workstations

Acer Gateway DX4820-07M vs Lenovo ThinkStation D20 (4155-79G), BE

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  • 77specifications compared
  • 36differ
  • 41identical
  • 47known for one product only

Key differences

The Acer Gateway DX4820-07M has 0.24 GHz more processor frequency than the Lenovo ThinkStation D20 (4155-79G), BE (2.5 GHz vs 2.26 GHz). The Acer Gateway DX4820-07M has 15 W more thermal Design Power (TDP) than the Lenovo ThinkStation D20 (4155-79G), BE (95 W vs 80 W). The Lenovo ThinkStation D20 (4155-79G), BE has 4.6°C more tcase than the Acer Gateway DX4820-07M (76 °C vs 71.4 °C). Only the Lenovo ThinkStation D20 (4155-79G), BE has ECC supported by processor. Only the Lenovo ThinkStation D20 (4155-79G), BE has Intel Demand Based Switching.

  • Processor family
    • Intel® Core™2 Quad
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • Q8300
    • E5507
  • Processor frequency
    • 2.5 GHz
    • 2.26 GHz
  • Processor cache type
    • L2
    • Smart Cache
  • Bus type
    • FSB
    • QPI
  • Processor codename
    • Yorkfield
    • Nehalem EP
  • Thermal Design Power (TDP)
    • 95 W
    • 80 W
  • Tcase
    • 71.4 °C
    • 76 °C

Side by side

Differences highlightedShow differences only
124 specifications
A

Acer

Gateway DX4820-07MView product
B

Lenovo

ThinkStation D20 (4155-79G), BEView product
Processor12 differ
Processor familyDiffersIntel® Core™2 QuadIntel® Xeon® 5000 Sequence
Processor modelDiffersQ8300E5507
Processor frequencyDiffers2.5 GHz2.26 GHz
Processor cache typeDiffersL2Smart Cache
Processor front side busKnown for one1333 MHz
Bus typeDiffersFSBQPI
Processor seriesDiffersIntel Core 2 Quad Q8000 SeriesIntel Xeon 5500 Series
Processor codenameDiffersYorkfieldNehalem EP
Thermal Design Power (TDP)Differs95 W80 W
TcaseDiffers71.4 °C76 °C
Number of processors installedKnown for one1
Processor socketDiffersLGA 775 + AM2/2+Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one456 M
Processing Die sizeKnown for one164 mm²
CPU multiplier (bus/core ratio)Known for one7.5
PlatformKnown for onePC
SteppingDiffersR0D0
ECC supported by processorDiffersNoYes
System bus rateKnown for one4.8 GT/s
Number of QPI linksKnown for one2
Maximum internal memory supported by processorKnown for one144 GB
Memory types supported by processorKnown for oneDDR3-SDRAM
Memory clock speeds supported by processorKnown for one800 MHz
Memory bandwidth supported by processor (max)Known for one19.2 GB/s
Memory2 differ
Internal memoryDiffers4 GB3 GB
Memory layout (slots x size)Differs2 x 2 GB3 x 1 GB
Maximum internal memoryKnown for one96 GB
Memory channelsKnown for oneTriple-channel
Storage3 differ
Total storage capacityKnown for one640 GB
Optical drive typeDiffersDVD Super Multi DLDVD-RW
HDD interfaceDiffersSATASATA II
HDD speedKnown for one7200 RPM
Compatible memory cardsDiffersminiSD, MMC, MS Duo, MS Pro, MS Pro Duo, SD, SmartMedia, xDCF, MMC, SD, xD
Floppy drive installedKnown for oneNo
HDD capacityKnown for one500 GB
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneIntel® GMA X4500
Graphics card familyKnown for oneIntel
Performance1 differ
Product typeDiffersPCWorkstation
Networkidentical
Ethernet LANKnown for oneYes
Cabling technologyKnown for one10/100/1000Base-T(X)
Wi-FiKnown for oneNo
Networking featuresKnown for oneGigabit Ethernet
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers810
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
HDMI ports quantityKnown for one1
Ethernet LAN (RJ-45) portsDiffers12
Headphone outputsDiffers61
VGA (D-Sub) ports quantityDiffers10
DVI portKnown for oneNo
PS/2 ports quantityDiffers20
Firewire (IEEE 1394) portsDiffers12
Serial ports quantityDiffers01
Line-inKnown for oneYes
eSATA ports quantityKnown for one1
Expansion slotsidentical
PCI Express x1 slotsKnown for one1
Designidentical
Product colourKnown for oneBlack
Software1 differ
Operating system installedDiffersWindows Vista Home PremiumWindows 7 Professional
Optional operating system suppliedKnown for oneWindows XP Professional
Compatible operating systemsKnown for oneWindows XP Pro SP1a/SP2a 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
Processor special features7 differ
Intel Demand Based SwitchingDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology (VT-x)Differs2Yes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Processor ARK IDDiffers3910737100
Processor codeDiffersSLGURSLBKC
Processor package sizeKnown for one37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Smart CacheKnown for oneYes
Physical Address Extension (PAE)Known for oneYes
Weight & dimensions3 differ
WidthDiffers180 mm210 mm
DepthDiffers413.2 mm579 mm
HeightDiffers412.4 mm485 mm
WeightKnown for one24.9 kg
Packaging contentidentical
Remote control includedKnown for oneNo
Mouse includedKnown for oneYes
Multimediaidentical
Built-in cameraKnown for oneYes
Other featuresidentical
TV tuner integratedKnown for oneNo
Optical driveidentical
CD read speedKnown for one40x
Poweridentical
Power requirementsKnown for one100-240V; 50/60Hz
Power supplyKnown for one1060 W
Audioidentical
Audio systemKnown for oneADI 1988 A
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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