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Product comparison · 2 pcs/workstations

Acer EMachines EL1321-05M vs Lenovo ThinkStation D20 (4155-79G), BE

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  • 30specifications compared
  • 23differ
  • 7identical
  • 90known for one product only

Key differences

  • Processor manufacturer
    • AMD
    • Intel
  • Processor family
    • AMD Athlon
    • Intel® Xeon® 5000 Sequence
  • Processor model
    • LE-1660
    • E5507
  • Processor frequency
    • 2.8 GHz
    • 2.26 GHz
  • Processor cache
    • 0.512 MB
    • 4 MB
  • Processor cache type
    • L2
    • Smart Cache
  • Internal memory
    • 2 GB
    • 3 GB
  • Maximum internal memory
    • 4 GB
    • 96 GB

Side by side

Differences highlightedShow differences only
120 specifications
A

Acer

EMachines EL1321-05MView product
B

Lenovo

ThinkStation D20 (4155-79G), BEView product
Processor6 differ
Processor manufacturerDiffersAMDIntel
Processor familyDiffersAMD AthlonIntel® Xeon® 5000 Sequence
Processor modelDiffersLE-1660E5507
Processor coresKnown for one4
Processor threadsKnown for one4
Processor frequencyDiffers2.8 GHz2.26 GHz
Processor cacheDiffers0.512 MB4 MB
Processor cache typeDiffersL2Smart Cache
Bus typeKnown for oneQPI
FSB ParityKnown for oneNo
System bus rateKnown for one4.8 GT/s
Processor lithographyKnown for one45 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Xeon 5500 Series
Processor codenameKnown for oneNehalem EP
Thermal Design Power (TDP)Known for one80 W
TcaseKnown for one76 °C
Number of QPI linksKnown for one2
Processor socketKnown for oneSocket B (LGA 1366)
SteppingKnown for oneD0
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
ECC supported by processorKnown for oneYes
Number of processors installedKnown for one1
PlatformKnown for onePC
Memory3 differ
Internal memoryDiffers2 GB3 GB
Maximum internal memoryDiffers4 GB96 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory layout (slots x size)Known for one3 x 1 GB
Memory clock speedKnown for one1066 MHz
Memory channelsKnown for oneTriple-channel
Memory slotsKnown for one2x SO-DIMM
Storage2 differ
Optical drive typeDVD-RWDVD-RW
HDD capacityKnown for one500 GB
HDD interfaceDiffersSATASATA II
Card reader integratedDiffersNoYes
Compatible memory cardsKnown for oneCF, MMC, SD, xD
Total storage capacityKnown for one320 GB
HDD speedKnown for one7200 RPM
Floppy drive installedKnown for oneNo
Performance1 differ
Product typeDiffersPCWorkstation
Motherboard chipsetKnown for oneNVIDIA GeForce 6150SE
Optical driveidentical
CD read speedKnown for one40x
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers810
Ethernet LAN (RJ-45) portsDiffers12
Headphone outputs11
Line-inKnown for oneYes
Microphone inYesYes
VGA (D-Sub) ports quantityDiffers10
PS/2 ports quantityDiffers20
Firewire (IEEE 1394) portsDiffers12
eSATA ports quantityKnown for one1
Serial ports quantityDiffers01
Parallel ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one0
HDMI ports quantityKnown for one0
DVI portKnown for oneNo
Expansion slotsidentical
PCI Express x16 slots11
PCI slotsKnown for one2
PCI Express x1 slotsKnown for one1
Power1 differ
Power requirementsKnown for one100-240V; 50/60Hz
Power supplyDiffers220 W1060 W
Designidentical
Chassis typeTowerTower
Product colourKnown for oneBlack
Software1 differ
Operating system installedDiffersWindows 7 StarterWindows 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
Displayidentical
Display includedNoNo
Processor special featuresidentical
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Idle StatesKnown for oneYes
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneYes
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 TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneYes
Intel Virtualization Technology (VT-x)Known for oneYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
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® Smart CacheKnown for oneYes
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Physical Address Extension (PAE)Known for oneYes
Processor ARK IDKnown for one37100
Processor codeKnown for oneSLBKC
Thermal Monitoring TechnologiesKnown for oneNo
Intel® Turbo Boost TechnologyKnown for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneNo
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
Audioidentical
Audio systemKnown for oneADI 1988 A
Weight & dimensions3 differ
WidthDiffers100 mm210 mm
DepthDiffers371 mm579 mm
HeightDiffers259 mm485 mm
WeightKnown for one24.9 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Remote control includedKnown for oneNo
Keyboardidentical
Keyboard typeKnown for onePreferred Pro USB
Graphicsidentical
On-board graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA GeForce 6150 SE
Graphics card familyKnown for oneNVIDIA
Networkidentical
Ethernet LANKnown for oneYes
Cabling technologyKnown for one10/100Base-T(X)
Wi-FiKnown for oneNo
Networking featuresKnown for oneFast Ethernet
Other featuresidentical
TV tuner integratedKnown for oneNo

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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