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Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 + Lenovo D221 vs Lenovo ThinkCentre A57 + ThinkVision L194W

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  • 89specifications compared
  • 27differ
  • 62identical
  • 10known for one product only

Key differences

The Lenovo ThinkCentre A57 + Lenovo D221 has 0.26 GHz more processor frequency than the Lenovo ThinkCentre A57 + ThinkVision L194W (2.66 GHz vs 2.4 GHz). The Lenovo ThinkCentre A57 + Lenovo D221 has 4 MB more processor cache than the Lenovo ThinkCentre A57 + ThinkVision L194W (6 MB vs 2 MB). The Lenovo ThinkCentre A57 + Lenovo D221 has 533 MHz more processor front side bus than the Lenovo ThinkCentre A57 + ThinkVision L194W (1333 MHz vs 800 MHz). Only the Lenovo ThinkCentre A57 + Lenovo D221 has Intel Trusted Execution Technology. Only the Lenovo ThinkCentre A57 + Lenovo D221 has Intel Virtualization Technology (VT-x).

  • Processor model
    • E8200
    • E4600
  • Processor frequency
    • 2.66 GHz
    • 2.4 GHz
  • Processor cache
    • 6 MB
    • 2 MB
  • Processor front side bus
    • 1333 MHz
    • 800 MHz
  • Processor lithography
    • 45 nm
    • 65 nm
  • Processor codename
    • Wolfdale
    • Conroe
  • Tcase
    • 72.4 °C
    • 73.3 °C
  • Number of Processing Die Transistors
    • 410 M
    • 167 M

Side by side

Differences highlightedShow differences only
99 specifications
A

Lenovo

ThinkCentre A57 + Lenovo D221View product
B

Lenovo

ThinkCentre A57 + ThinkVision L194WView product
Processor12 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™2 DuoIntel® Core™2 Duo
Processor modelDiffersE8200E4600
Processor cores22
Processor threads22
Processor frequencyDiffers2.66 GHz2.4 GHz
Processor cacheDiffers6 MB2 MB
Processor cache typeL2L2
Processor front side busDiffers1333 MHz800 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithographyDiffers45 nm65 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core 2 Duo E8000 SeriesIntel Core 2 Duo E4000 Series
Processor codenameDiffersWolfdaleConroe
Thermal Design Power (TDP)65 W65 W
TcaseDiffers72.4 °C73.3 °C
Processor socketLGA 775 (Socket T)LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers410 M167 M
Processing Die sizeDiffers107 mm²111 mm²
CPU multiplier (bus/core ratio)Differs812
SteppingDiffersC0M0
ECC supported by processorNoNo
Memoryidentical
Internal memory2 GB2 GB
Maximum internal memory4 GB4 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory layout (slots x size)2 x 1 GB2 x 1 GB
Memory slots2x DIMM2x DIMM
Storageidentical
Total storage capacity250 GB250 GB
Optical drive typeDVD±RWDVD±RW
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedKnown for oneNo
Graphicsidentical
Discrete graphics card modelIntel® GMA 3100Intel® GMA 3100
Performanceidentical
Product typePCPC
Network1 differ
Networking featuresDiffersGigabit Ethernetg
Ports & interfacesidentical
USB 2.0 ports quantity66
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
DVI portKnown for oneYes
PS/2 ports quantity22
Parallel ports quantity11
Serial ports quantityKnown for one1
Power1 differ
Power supplyDiffers250 W310 W
Power supply input voltageKnown for one110 - 220 V
Power supply input frequencyKnown for one50 - 60 Hz
Power requirementsKnown for one110 - 220V, 50/ 60Hz
Design1 differ
Chassis typeDiffersSFFTower
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneIBM
Softwareidentical
Operating system installedWindows Vista BusinessWindows Vista Business
Display3 differ
Display includedYesYes
Display diagonalDiffers55.9 cm (22")48.3 cm (19")
Display resolutionDiffers1680 x 1050 pixels1440 x 900 pixels
Contrast ratio (typical)Differs700:11000:1
Display brightness300 cd/m²300 cd/m²
Viewing angle, horizontalKnown for one176°
Viewing angle, verticalKnown for one176°
DisplayTFTTFT
Processor special features4 differ
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
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)NoNo
Intel Virtualization Technology (VT-x)DiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)NoNo
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® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers3390932242
Processor codeDiffersSLAPPSLA94
Processor package size37.5 x 37.5 mm37.5 x 37.5 mm
Thermal Monitoring TechnologiesYesYes
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Audio1 differ
Audio systemDiffersALC662Realtek ALC662
Weight & dimensions4 differ
WidthDiffers317 mm175 mm
DepthDiffers355 mm440 mm
HeightDiffers99 mm402 mm
WeightDiffers3.31 kg11 kg

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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