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Product comparison · 2 pcs/workstations

Acer Veriton M661-SD8400C vs Lenovo ThinkStation S20 (410523G) + ATI FirePro V7750 1GB, FR

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  • 80specifications compared
  • 46differ
  • 34identical
  • 38known for one product only

Key differences

  • Processor family
    • Intel® Core™2 Duo
    • Intel® Xeon® 3000 Sequence
  • Processor model
    • E8400
    • W3520
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 8
  • Processor frequency
    • 3 GHz
    • 2.66 GHz
  • Processor cache
    • 6 MB
    • 8 MB
  • Processor cache type
    • L2
    • Smart Cache
  • Processor front side bus
    • 1333 MHz
    • 1066 MHz

Side by side

Differences highlightedShow differences only
118 specifications
A

Acer

Veriton M661-SD8400CView product
B

Lenovo

ThinkStation S20 (410523G) + ATI FirePro V7750 1GB, FRView product
Processor19 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™2 DuoIntel® Xeon® 3000 Sequence
Processor modelDiffersE8400W3520
Processor coresDiffers24
Processor threadsDiffers28
Processor boost frequencyKnown for one2.93 GHz
Processor frequencyDiffers3 GHz2.66 GHz
Processor cacheDiffers6 MB8 MB
Processor cache typeDiffersL2Smart Cache
Processor front side busDiffers1333 MHz1066 MHz
Bus typeDiffersFSBQPI
FSB ParityNoNo
System bus rateKnown for one4.80 GT/s
Processor lithography45 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core 2 Duo E8000 SeriesIntel Xeon 3500 Series
Processor codenameDiffersWolfdaleBloomfield
Processor system typeKnown for oneUp
Thermal Design Power (TDP)Differs65 W130 W
TcaseDiffers72.4 °C67.9 °C
Number of QPI linksKnown for one1
Processor socketDiffersLGA 775 (Socket T)Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers410 M731 M
Processing Die sizeDiffers107 mm²263 mm²
CPU multiplier (bus/core ratio)Differs920
Processor core voltage (AC)Known for one0.800 - 1.225 V
SteppingDiffersE0D0
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
ECC supported by processorDiffersNoYes
Memory4 differ
Internal memoryDiffers2 GB4 GB
Maximum internal memoryDiffers8 GB12 GB
Internal memory typeDiffersDDR2-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs2 x 1 GB2 x 2 GB
Memory clock speedKnown for one1066 MHz
Memory channelsKnown for oneTriple-channel
Storage1 differ
Optical drive typeKnown for oneDVD-RW
HDD capacityKnown for one250 GB
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedDiffersNoYes
Compatible memory cardsKnown for oneCF, MMC, SD, xD
Total storage capacityKnown for one160 GB
Graphicsidentical
Maximum graphics card memoryKnown for one1.024 GB
Graphics cardKnown for oneFirePro V7750
Discrete graphics card modelKnown for oneIntel® GMA 3100
On-board graphics card modelKnown for oneNot available
Performance1 differ
Product typeDiffersPCWorkstation
Optical driveidentical
CD read speedKnown for one40x
Ports & interfaces4 differ
USB 2.0 ports quantity1010
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) portsKnown for one2
eSATA ports quantityKnown for one1
Serial ports quantity11
Parallel ports quantityDiffers10
Expansion slotsidentical
PCI Express x16 slotsKnown for one1
PCI slotsKnown for one2
Power1 differ
Power requirementsKnown for one100-240V; 50/60Hz
Power supplyDiffers300 W625 W
Designidentical
Chassis typeTowerTower
Software1 differ
Operating system installedDiffersWindows Vista BusinessWindows 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
Bundled softwareKnown for oneAcer Empowering Technology (eLock, eRecovery, eSettings, ePerformance Management), Acer LanScope, Norton AntiVirus, Adobe Reader CyberLink PowerDVD, NTI CD-Maker, Gold
Displayidentical
Display includedNoNo
Processor special features11 differ
CPU configuration (max)Known for one1
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingDiffersNoYes
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
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)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Smart CacheKnown for oneYes
Intel® Wireless Display (Intel® WiDi)NoNo
Physical Address Extension (PAE)Known for one36 bit
Processor ARK IDDiffers3391039718
Processor codeDiffersSLB9JSLBEW
Processor package sizeDiffers37.5 x 37.5 mm42.5 x 45.0 mm
Supported instruction setsKnown for oneSSE4.2
Thermal Monitoring TechnologiesDiffersYesNo
Intel® Turbo Boost TechnologyDiffersNo1.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Graphics & IMC lithographyKnown for one45 nm
Audio1 differ
Audio systemDiffersHigh Definition Audio 7.1ADI 1988 A
Weight & dimensions3 differ
WidthDiffers180 mm175 mm
DepthDiffers441.5 mm460 mm
HeightDiffers367 mm478 mm
WeightKnown for one16.3 kg
Packaging contentidentical
Mouse includedKnown for oneYes
Keyboardidentical
Keyboard typeKnown for onePreferred Pro USB
Networkidentical
Networking featuresKnown for oneGigabit Ethernet
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Small Business

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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